{"id":4287,"date":"2023-05-25T17:06:38","date_gmt":"2023-05-25T09:06:38","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=4287"},"modified":"2023-05-25T17:06:38","modified_gmt":"2023-05-25T09:06:38","slug":"gb-t-9254-2-2021%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91%e3%80%8a%e4%bf%a1%e6%81%af%e6%8a%80%e6%9c%af%e8%ae%be%e5%a4%87%e3%80%81%e5%a4%9a%e5%aa%92%e4%bd%93%e8%ae%be%e5%a4%87%e5%92%8c%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=4287","title":{"rendered":"GB\/T 9254.2-2021\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u4fe1\u606f\u6280\u672f\u8bbe\u5907\u3001\u591a\u5a92\u4f53\u8bbe\u5907\u548c\u63a5\u6536\u673a \u7535\u78c1\u517c\u5bb9 \u7b2c2\u90e8\u5206\uff1a\u6297\u6270\u5ea6\u8981\u6c42\u300b"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB\/T 9254.2-2021\u82f1\u6587\u7248\u7ffb\u8bd1 \u4fe1\u606f\u6280\u672f\u8bbe\u5907\u3001\u591a\u5a92\u4f53\u8bbe\u5907\u548c\u63a5\u6536\u673a \u7535\u78c1\u517c\u5bb9 \u7b2c2\u90e8\u5206\uff1a\u6297\u6270\u5ea6\u8981\u6c42
\nInformation technology equipment, multimedia equipment and receivers\u2014Electromagnetic compatibility\u2014Part 2: Immunity requirements<\/p>\n

<\/p>\n

\u4ee3\u66ff GB\/T 9383-2008 , GB\/T 17618-2015<\/p>\n

1 \u8303\u56f4<\/p>\n

\u672c\u6587\u4ef6\u9002\u7528\u4e8e\u989d\u5b9a\u4ea4\u6d41\u7535\u538b\u6709\u6548\u503c\u6216\u76f4\u6d41\u7535\u538b\u4e0d\u8d85\u8fc7 600 V \u7684\u4fe1\u606f\u6280\u672f\u8bbe\u5907\uff08 3.1.18 \uff09 \u3001\u97f3\u9891\u8bbe\u5907( 3.1.6 \uff09 \u3001\u89c6\u9891\u8bbe\u5907\uff083.1.32 \uff09 \u3001\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\uff083.1.7 \uff09 \u3001\u5a31\u4e50\u706f\u5149\u63a7\u5236\u8bbe\u5907\uff083.1.14 \uff09 \u53ca\u5176\u7ec4\u5408 \u3002 \u672c\u6587\u4ef6\u4e5f\u9002\u7528\u4e8e\u4e13\u4e1a\u7528\u9014\u7684\u4e0a\u8ff0\u8bbe\u5907 \u3002
\n\u5177\u6709\u5e7f\u64ad\u63a5\u6536\u529f\u80fd\u7684\u8bbe\u5907\u5728\u672c\u6587\u4ef6\u7684\u8303\u56f4\u5185 \uff0c\u89c1\u9644\u5f55 A \u3002\u5177\u6709\u975e\u5e7f\u64ad\u65e0\u7ebf\u63a5\u53e3\u7684\u8bbe\u5907\u4e5f\u5728\u672c\u6587\u4ef6 \u7684\u8303\u56f4\u5185 \uff0c\u7136\u800c \uff0c\u65e0\u9700\u4f9d\u636e\u672c\u6587\u4ef6\u5bf9\u8fd9\u4e9b\u63a5\u53e3\u6027\u80fd\u8fdb\u884c\u8bc4\u4ef7 \u3002
\n\u5728\u5176\u4ed6 IEC\/ CISPR \u6807\u51c6\u5bf9\u5e94\u7684\u56fd\u5bb6\u6807\u51c6\uff08\u9664\u4e86 GB\/ T 9383 \u548c GB\/ T 17618\uff09 \u4e2d\u5bf9\u672c\u6587\u4ef6\u9002\u7528\u9891\u6bb5 \u89c4\u5b9a\u4e86\u6297\u6270\u5ea6\u8981\u6c42\u7684\u8bbe\u5907 \uff0c\u4e0d\u5305\u62ec\u5728\u672c\u6587\u4ef6\u7684\u8303\u56f4\u5185 \u3002
\n\u672c\u6587\u4ef6\u7684\u76ee\u7684\u662f \uff1a
\n\u5728 O Hz 400 GHz \u9891\u7387\u8303\u56f4\u5185\u63d0\u51fa\u8981\u6c42 \uff0c\u4f7f EUT \u5177\u6709\u8db3\u591f\u7684\u6297\u6270\u5ea6\u6c34\u5e73 \uff0c\u80fd\u591f\u5728\u5176\u4f7f\u7528\u7684\u73af \u5883\u4e2d\u6309\u9884\u671f\u8fd0\u884c \u3002
\n\u89c4\u5b9a\u7a0b\u5e8f \uff0c\u786e\u4fdd\u8bd5\u9a8c\u7684\u590d\u73b0\u6027\u548c\u7ed3\u679c\u7684\u91cd\u590d\u6027 \u3002 \u7531\u4e8e\u8bbe\u5907\u529f\u80fd\u7684\u6280\u672f\u878d\u5408 \uff0c\u6027\u80fd\u5224\u636e\u57fa\u4e8e\u529f\u80fd\u800c\u4e0d\u662f\u57fa\u4e8e\u8bbe\u5907\u6765\u786e\u5b9a \u3002<\/p>\n

2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6<\/p>\n

\u4e0b\u5217\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u901a\u8fc7\u6587\u4e2d\u7684\u89c4\u8303\u6027\u5f15\u7528\u800c\u6784\u6210\u672c\u6587\u4ef6\u5fc5\u4e0d\u53ef\u5c11\u7684\u6761\u6b3e \u3002\u5176\u4e2d \uff0c\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587 \u4ef6 \uff0c\u4ec5\u8be5\u65e5\u671f\u5bf9\u5e94\u7684\u7248\u672c\u9002\u7528\u4e8e\u672c\u6587\u4ef6 \uff1b\u4e0d\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6 \uff0c\u5176\u6700\u65b0\u7248\u672c\uff08 \u5305\u62ec\u6240\u6709\u7684\u4fee\u6539\u5355\uff09 \u9002\u7528\u4e8e \u672c\u6587\u4ef6 \u3002
\nGB 3174 PAL D \u5236\u7535\u89c6\u5e7f\u64ad\u6280\u672f\u89c4\u8303
\nGB\/ T 4365 \u7535\u5de5\u672f\u8bed \u7535\u78c1\u517c\u5bb9
\nGB\/ T 6113.102 -2018 \u65e0\u7ebf\u7535\u9a9a\u6270\u548c\u6297\u6270\u5ea6\u6d4b\u91cf\u8bbe\u5907\u548c\u6d4b \u91cf\u65b9\u6cd5\u89c4\u8303 \u7b2c 1-2 \u90e8\u5206 \uff1a\u65e0\u7ebf\u7535\u9a9a\u6270 \u548c\u6297\u6270\u5ea6\u6d4b\u91cf\u8bbe\u5907 \u4f20\u5bfc\u9a9a\u6270\u6d4b \u91cf\u7684\u8c03\u5408\u88c5\u7f6e C CISPR 16 1 2 : 2014 , IDT)
\nGB\/ T 17626.2 2018 \u7535\u78c1\u517c\u5bb9 \u8bd5\u9a8c\u548c\u6d4b\u91cf\u6280\u672f \u9759\u7535\u653e\u7535\u6297\u6270\u5ea6\u8bd5\u9a8c CIEC 61000 4 2 : 2008 , IDT)
\nGB\/ T 17626.3-2016 \u7535\u78c1\u517c\u5bb9 \u8bd5\u9a8c\u548c\u6d4b\u91cf\u6280\u672f \u5c04\u9891\u7535\u78c1\u573a\u8f90\u5c04\u6297\u6270\u5ea6\u8bd5\u9a8c C IEC 61000-4- 3 : 2010 , IDT)
\nGB\/ T 17626.4-2018 \u7535\u78c1\u517c\u5bb9 \u8bd5\u9a8c\u548c\u6d4b\u91cf\u6280\u672f \u7535\u5feb\u901f\u77ac\u53d8\u8109\u51b2\u7fa4\u6297\u6270\u5ea6\u8bd5\u9a8c CIEC 61000
\n4-4 :2012 , IDT)
\nGB\uff0f\u4e01 17626.11 2008 \u7535\u78c1\u517c\u5bb9 \u8bd5\u9a8c\u548c\u6d4b\u91cf\u6280\u672f \u7535\u538b\u6682\u964d\u3001\u77ed\u65f6\u4e2d\u65ad\u548c\u7535\u538b\u53d8\u5316\u7684\u6297\u6270\u5ea6
\n\u8bd5\u9a8c CIEC 61000 4 11:2004 , IDT)
\nGB\/ T 17626.20-2014 \u7535\u78c1\u517c\u5bb9 \u8bd5\u9a8c\u548c\u6d4b\u91cf\u6280\u672f \u6a2a\u7535\u78c1\u6ce2 C TEM\uff09 \u6ce2\u5bfc\u4e2d\u7684\u53d1\u5c04\u548c\u6297\u6270\u5ea6\u8bd5 \u9a8c CIEC 61000-4-20 :2010 , IDT)
\nGB\/ T 17626.21 2014 \u7535\u78c1\u517c\u5bb9 \u8bd5\u9a8c\u548c\u6d4b \u91cf\u6280\u672f \u6df7\u6ce2\u5ba4 \u8bd5\u9a8c\u65b9\u6cd5 CIEC 61000 4 21 : 2011, IDT)
\nISO 9241-3 :1992 \u5177\u6709\u53ef\u89c6\u5316\u663e\u793a\u7ec8\u7aef\u7684\u529e\u516c\u5ba4 \u5de5\u4f5c\u4e2d\u7684\u4eba\u4f53\u5de5\u5b66 \u7b2c 3 \u90e8\u5206 \uff1a\u53ef\u89c6\u5316\u663e\u793a\u7684\u8981<\/p>\n

magnetic f ield immunit y test]
\nISO\/ IEC 17025 :2005 \u68c0\u6d4b\u548c\u6821\u51c6\u5b9e\u9a8c\u5ba4\u80fd\u529b\u7684\u901a\u7528\u8981\u6c42\uff08 General req uirements for the compe tence of testing and cali bration laboratories)<\/p>\n

3 \u672f\u8bed \u3001\u5b9a\u4e49\u548c\u7f29\u7565\u8bed<\/p>\n

3.1 \u672f\u8bed\u548c\u5b9a\u4e49<\/p>\n

GB\/ T 4365 \u754c\u5b9a\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6 \u3002
\n3. 1 . 1
\n\u4ea4\u6d41\u7535\u6e90\u7aef\u53e3 AC mains power port
\n\u7528\u4e8e\u8fde\u63a5\u5230\u7535\u6e90\u7f51\u7edc\u7684\u7aef\u53e3 \u3002
\n\u6ce8 \uff1a\u7531\u4e13 \u95e8\u7684\u4ea4\u6d41\uff0f\u76f4\u6d41\u7535\u6e90\u8f6c\u6362\u5668\u4f9b\u7535\u7684\u8bbe\u5907\u5b9a\u4e49\u4e3a\u4ea4\u6d41\u7535\u6e90\u4f9b\u7535\u7684\u8bbe\u5907 \u3002
\n3.1.2
\n\u6a21\u62df\uff0f\u6570\u5b57\u6570\u636e\u7aef\u53e3 analogue\/ digital data port
\n\u4fe1\u53f7\uff0f\u63a7\u5236\u7aef\u53e3\uff08 3.1.31) \u3001\u5929\u7ebf\u7aef\u53e3\uff08 3.1.3\uff09 \u3001\u6709\u7ebf\u7f51\u7edc\u7aef\u53e3\uff08 3.1.33\uff09 \u3001\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\u8c03\u8c10\u5668\u7aef\u53e3\uff083.1.8\uff09 \u6216 \u5177\u6709\u91d1\u5c5e\u5c4f\u853d\u548c \uff0f\u6216\u91d1\u5c5e\u5361\u6263\u7684\u5149\u7ea4\u7aef\u53e3\uff08 3.1.24 \uff09 \u3002
\n3.1.3
\n\u5929\u7ebf\u7aef\u53e3 antenna port
\n\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\u8c03\u8c10\u5668\u7aef\u53e3\uff08 3.1.8\uff09 \u4ee5\u5916\u7684\u5176\u4ed6\u5929\u7ebf\u7aef\u53e3 \uff0c\u4e0e\u7528\u4e8e\u6709\u610f\u53d1\u9001\u548c \uff0f\u6216\u63a5\u6536\u5c04\u9891\uff08 RF\uff09 \u8f90\u5c04 \u80fd\u91cf\u7684\u5929\u7ebf\u76f8\u8fde\u63a5 \u3002
\n3.1.4
\n\u5e03\u7f6e arrangement
\n\u5728\u6d4b\u91cf\u6216\u8bd5\u9a8c\u533a\u57df\u5185\u6240\u6709\u53d7\u8bd5\u8bbe\u5907 C EUT\uff09 \uff0c\u672c\u5730\u8f85\u52a9\u8bbe\u5907C AE\uff09 \u4e0e\u76f8\u5173\u7535\u7f06\u7684\u7269\u7406\u5e03\u5c40\u548c\u65b9\u4f4d \u3002
\n3.1.5
\n\u8f85\u52a9\u8bbe\u5907 associated equipment ;AE
\n\u4f7f EUT \u5de5\u4f5c\u548c\uff0f\u6216\u76d1\u63a7 EUT \u8fd0\u884c\u7684\u8bbe\u5907 \u3002
\n\u6ce8 \uff1a\u8f85\u52a9\u8bbe\u5907\u53ef\u4f4d\u4e8e\u6d4b\u91cf\u533a\u57df \uff0c\u4e5f\u53ef\u5728\u6d4b\u91cf\u533a\u57df\u5916\u7684\u8fdc\u7aef\u8fd0\u884c \u3002
\n3.1.6
\n\u97f3\u9891\u8bbe\u5907 audio equipment
\n\u4e3b\u8981\u529f\u80fd\u81f3\u5c11\u5305\u62ec\u97f3\u9891\u4fe1\u53f7\u4ea7\u751f \u3001\u8f93\u5165 \u3001\u5b58\u50a8 \u3001\u64ad\u653e \u3001\u68c0\u7d22 \u3001\u4f20\u8f93\u3001\u63a5\u6536 \u3001\u653e\u5927\u3001\u5904\u7406 \u3001\u8f6c\u6362\u6216\u63a7\u5236\u5176\u4e2d \u4e00\u9879\u7684\u8bbe\u5907 \u3002
\n3.1.7
\n\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907 broadcast receiver equipment
\n\u5305\u542b\u7528\u4e8e\u63a5\u6536\u5e7f\u64ad\u4e1a\u52a1\u7684\u8c03\u8c10\u5668\u7684\u8bbe\u5907 \u3002
\n\u6ce8 \uff1a\u5e7f\u64ad\u4e1a\u52a1\u901a\u5e38\u662f\u7535\u89c6\u548c\u58f0\u97f3\u5e7f\u64ad \uff0c\u5305\u62ec\u5730\u9762\u5e7f\u64ad \u3001\u536b\u661f\u5e7f\u64ad\u548c\uff0f\u6216\u6709\u7ebf\u4f20\u8f93 \u3002<\/p>\n

\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\u8c03\u8c10\u5668\u7aef\u53e3 broadcast receiver tuner port
\n\u7528\u4e8e\u63a5\u6536\u5730\u9762 \u3001\u536b\u661f\u548c\uff0f\u6216\u6709\u7ebf\u4f20\u8f93 \u7684\u97f3\u9891\u548c\uff0f\u6216\u89c6\u9891\u5e7f\u64ad\u53ca\u7c7b \u4f3c\u4e1a\u52a1\u7684\u8c03\u5236 RF \u4fe1\u53f7\u7684\u7aef\u53e3 \u3002
\n\u6ce8 \uff1a\u6b64\u7aef\u53e3\u53ef \u4ee5\u8fde\u63a5\u5230\u5929\u7ebf \u3001\u7535\u7f06\u5206\u914d\u7cfb\u7edf\u3001\u5c04\u9891\u8c03\u5236\u5668\u8f93 \u51fa\u7aef\u53e3\uff08 3. 1.30 \uff09 \u6216\u7c7b\u4f3c\u8bbe\u5907\u3002
\n3.1.9
\n\u5171\u6a21\u963b\u6297 common mode impedance
\n\u4e0d\u5bf9\u79f0\u6a21\u5f0f\u4e0b \uff0c\u8fde\u63a5\u5230\u67d0\u4e2a\u7aef\u53e3 \u7684\u7535\u7f06\u548c\u53c2\u8003\u63a5\u5730\u5e73\u9762 C RGP\uff09 \u4e4b\u95f4\u7684\u963b\u6297 \u3002
\n\u6ce8 \uff1a\u5b8c\u6574\u7684\u7535\u7f06\u88ab\u770b\u4f5c\u7535\u8def\u4e2d\u7684 \u4e00\u6839\u5bfc\u7ebf \uff0cRGP \u88ab\u770b\u4f5c\u662f\u7535\u8def\u4e2d\u7684\u53e6 \u4e00\u6839\u5bfc\u7ebf \u3002\u6b64 \u7535\u8def\u4e2d\u6d41\u8fc7\u7684\u5171\u6a21\u7535\u6d41\u53ef\u80fd\u5bfc \u81f4 EUT \u8f90\u5c04\u80fd\u91cf \u7684\u53d1\u5c04\u3002
\n3.1.10
\n\u914d\u7f6e configuration
\nEUT \u548c AE \u7684\u8fd0\u884c\u6761\u4ef6 \uff0c\u5305\u62ec EUT \u548c AE \u786c\u4ef6 \u7684\u9009\u62e9 \uff0cEUT \u5de5\u4f5c\u7684\u8fd0\u884c\u6a21\u5f0f\uff08 3.1.2 2 \uff09 \u4ee5\u53ca EUT
\n\u548c AE \u7684\u5e03\u7f6e\uff08 3.1.4 \uff09 \u3002
\n3. 1. 1 1
\n\u8f6c\u6362\u7684\u5171\u6a21\u7535\u6d41 converted common mode current
\n\u7531\u8fde\u63a5\u7535\u7f06\u548c\uff0f\u6216 \u7f51\u7edc \u7684\u4e0d\u5e73\u8861\u5f15\u8d77 \uff0c\u4ece\u5dee\u6a21\u7535\u6d41\u8f6c\u6362 \u800c\u6765 \u7684\u4e0d\u5bf9\u79f0\u7535\u6d41 \u3002
\n3.1.12
\n\u76f4\u6d41\u7f51\u7edc\u7535\u6e90\u7aef\u53e3 DC network power port
\n\u8fde\u63a5\u5230 DC \u4f9b\u7535 \u7f51\u7edc\u4e14\u4e0d\u652f\u6301\u901a\u4fe1\u7684\u7aef\u53e3 \uff0c\u4e0d\u5305\u62ec \u7531\u4e13\u7528\u7684 AC\/ DC \u7535\u6e90\u8f6c\u6362\u5668\u4f9b\u7535 \u7684\u7aef\u53e3 \u3002
\n\u6ce8 1 \uff1a\u7531\u4e13\u7528\u7684 AC\/ DC \u7535\u6e90\u8f6c\u6362\u5668\u4f9b\u7535\u7684\u8bbe\u5907\u88ab\u8ba4\u4e3a\u662f AC \u7535\u6e90\u4f9b\u7535\u8bbe\u5907\u3002
\n\u6ce8 2 \uff1a\u652f\u6301\u901a\u4fe1\u7684\u76f4\u6d41\u7535\u6e90\u3001\u7aef\u53e3\u88ab\u8ba4\u4e3a\u662f\u6709\u7ebf\u7f51\u7edc\u7aef\u53e3\uff083.1.33 \uff09 \uff0c\u4f8b\u5982\u6709 \u4ee5\u592a\u7f51\u4f9b\u7535 C PoE\uff09 \u529f\u80fd\u7684\u4ee5\u592a\u7f51\u7aef\u53e3 \u3002
\n3. 1.13
\n\u58f3\u4f53\u7aef\u53e3 enclosure port
\nEUT \u7684\u7269\u7406\u8fb9\u754c \uff0c\u7535\u78c1\u573a\u53ef\u4ee5\u901a\u8fc7\u8be5\u8fb9\u754c\u8f90\u5c04\u6216\u8fdb \u5165 \u3002
\n3. 1. 14
\n\u5a31\u4e50\u706f\u5149\u63a7\u5236\u8bbe\u5907 entertainment lighting control equipment
\n\u4ea7\u751f\u6216\u5904\u7406\u7535\u4fe1\u53f7 \uff0c\u7528\u4e8e\u63a7 \u5236\u7167\u660e\u88c5\u7f6e\u706f\u5149\u7684\u4eae\u5ea6 \u3001\u8272\u5f69 \u3001\u72b6\u6001\u6216\u65b9 \u5411\uff0c\u5728\u620f\u5267 \u3001\u7535\u89c6\u6216\u97f3\u4e50\u4f5c\u54c1\u548c \u89c6\u89c9\u5c55\u793a\u65b9\u9762\u521b\u9020\u51fa\u827a\u672f\u6548\u679c\u7684\u8bbe\u5907 \u3002
\n3. 1. 15
\n\u6b63\u5f0f\u6d4b\u91cf formal measurement
\n\u7528\u4e8e\u786e\u5b9a\u7b26\u5408\u6027\u7684\u6d4b\u91cf \u3002
\n\u6ce8 \uff1a\u901a\u5e38\u662f\u6307\u6267\u884c\u7684\u6700\u7ec8 \u6d4b\u91cf \uff0c\u53ef\u4ee5\u5728\u9884\u626b \u63cf\u6d4b\u91cf\u4e4b\u540e\u8fdb\u884c \uff0c\u6b63\u5f0f\u6d4b\u91cf\u8bb0\u5f55\u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d \u3002
\n3. 1.16
\n\u529f\u80fd function
\n\u8bbe\u5907\u6267\u884c\u7684\u64cd\u4f5c \u3002
\n\u6ce8 \uff1a\u529f\u80fd\u4e0e\u8bbe\u5907\u5305\u542b\u7684\u57fa\u672c\u6280\u672f\u6709\u5173 \uff0c\u5982 \uff1a\u663e\u793a \u3001\u8bb0\u5f55\u3001\u5904\u7406\u3001\u63a7\u5236\uff08\u5305\u62ec\u706f\u5149\u63a7\u5236 \uff0c\u89c1 3. 1.14\uff09 \u3001\u91cd\u73b0\u3001\u53d1\u9001\u6216\u63a5\u6536\u5355\u4e00 \u5a92\u4f53\u6216\u591a\u5a92\u4f53\u5185\u5bb9 \uff0c\u8be5\u5185\u5bb9\u53ef \u4ee5\u662f\u6570\u636e \u3001\u97f3\u9891\u6216\u89c6\u9891\uff0c\u6216\u5b83\u4eec \u7684\u7ec4\u5408\u3002
\n3. 1.17
\n\u6700\u9ad8\u5185\u90e8\u9891\u7387 highest internal frequency
\nF x
\nEUT \u4ea7\u751f\u6216\u4f7f\u7528 \u7684\u6700\u9ad8\u57fa\u9891\u6216\u67d0\u79cd\u64cd\u4f5c\u4e0b\u7684\u6700\u9ad8\u5de5\u4f5c\u9891\u7387 \u3002
\n\u6ce8 \uff1a\u5305\u62ec\u5728\u96c6\u6210\u7535\u8def\u4e2d\u5355\u72ec\u4f7f \u7528\u7684\u9891\u7387\u3002
\n3. 1. 18
\n\u4fe1\u606f\u6280\u672f\u8bbe\u5907 information technology equipment ;ITE
\n\u5176\u4e3b\u8981\u529f \u80fd\u4e3a\u5bf9\u6570\u636e\u548c\u7535\u4fe1\u6d88\u606f\u8fdb\u884c\u5f55\u4eba \u3001\u5b58\u50a8 \u3001\u663e\u793a \u3001\u68c0\u7d22 \u3001\u4f20\u9012 \u3001\u5904\u7406 \u3001\u4ea4\u6362\u6216\u63a7 \u5236 \uff08 \u6216\u51e0\u79cd\u529f\u80fd \u7684\u7ec4\u5408\uff09 \uff0c\u8be5\u8bbe\u5907\u53ef \u4ee5\u914d\u7f6e\u4e00\u4e2a\u6216\u591a\u4e2a\u901a\u5e38\u7528\u4e8e\u4fe1\u606f\u4f20\u9012 \u7684\u7ec8\u7aef\u7aef\u53e3 \u3002
\n\u6ce8 \uff1a\u4f8b\u5982\u5305\u62ec\u6570\u636e\u5904\u7406\u8bbe\u5907 \u3001\u529e\u516c\u8bbe\u5907\u3001\u7535\u5b50\u5546\u52a1\u8bbe\u5907\u548c\u901a\u4fe1\u8bbe\u5907\u3002
\n3. 1. 19
\n\uff3b \u5185\u751f\uff08\u53d1\uff09\u7684\uff3d \u5171\u6a21\u7535\u6d41 launched common mode current \u7531\u5185\u90e8\u7535\u8def\u4ea7\u751f\u7684\u51fa\u73b0\u5728 EUT \u6709\u7ebf\u7f51\u7edc\u7aef\u53e3\u7684\u4e0d\u5bf9\u79f0\u6a21\u5f0f\u7684\u7535\u6d41 \u3002 \u6ce8 \uff1a\u6d4b\u91cf\u5171\u6a21\u7535\u6d41 \u8981\u6c42 EUT \u7684\u7aef\u53e3\u7aef\u63a5\u5b8c\u5168\u5e73\u8861\u7684\u8d1f\u8f7d \u3002
\n3. 1.20
\n\u9ad8\u9891\u5934 low-noise block converter ;LNB
\n\u5c06\u5e7f\u64ad\u536b \u661f\u4fe1\u53f7\u653e\u5927\u5e76\u8f6c\u6362\u4e3a\u536b \u661f\u63a5\u6536\u673a\u53ef\u7528\u7684\u4fe1\u53f7\u9891\u7387\u7684\u4f4e\u566a \u58f0\u53d8\u6362\u5668 \u3002
\n3. 1.21
\n\u672c\u5730\u8f85\u52a9\u8bbe\u5907 local AE
\n\u4f4d\u4e8e\u6d4b\u91cf\u6216\u8bd5\u9a8c\u533a\u57df\u5185\u7684 AE \u3002
\n3. 1.22
\n\u8fd0\u884c\u6a21\u5f0f mode of operation
\n\u8bd5\u9a8c\u6216\u6d4b\u91cf\u8fc7\u7a0b\u4e2d EUT \u6240\u6709\u529f\u80fd\u7684\u4e00\u7cfb\u5217\u8fd0\u884c\u72b6\u6001 \u3002
\n3.1 .23
\n\u591a\u5a92\u4f53\u8bbe\u5907 multimedia equipment ;MME
\n\u97f3\u9891\u8bbe\u5907\uff08 3.1.6 \uff09 \u3001\u89c6\u9891\u8bbe\u5907\uff083.1.32 \uff09 \u3001\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\uff083.1.7 \uff09 \u3001\u5a31\u4e50\u706f\u5149\u63a7\u5236\u8bbe\u5907\uff083.1.14 \uff09 \u53ca\u5176\u7ec4\u5408 \u3002
\n3.1 .24
\n\u5149\u7ea4\u7aef\u53e3 optical fibre port
\n\u8bbe\u5907\u4e0a\u8fde\u63a5\u5149\u7ea4\u7684\u7aef\u53e3 \u3002
\n3. 1.25
\n\u5bb6\u7528\u536b\u661f\u63a5\u6536\u7cfb\u7edf\u5ba4\u5916\u5355\u5143 outdoor unit of home satellite receiving systems
\n\u5ba4\u5916\u5355\u5143\u901a\u5e38\u7531\u53cd\u5c04\u8868\u9762\uff08 \u6216\u5929\u7ebf\uff09 \u548c LNB \u7ec4\u6210 \u3002
\n\u6ce8 \uff1a\u8be5\u5355\u5143\u4e0d\u5305\u62ec\u5ba4 \u5185\u63a5\u6536\u673a\u4e2d\u5305\u542b \u7684\u4e2d\u9891\u653e\u5927\u5668\u548c\u89e3\u8c03\u5668 \u3002
\n3. 1.26
\n\u4e3b\u5357\u53e3 port
\n\u7535\u78c1\u80fd\u91cf\u8fdb\u5165\u6216\u79bb\u5f00 EUT \u7684\u7269\u7406\u63a5\u53e3 \u3002
\n\u6ce8 \uff1a\u89c1\u56fe L
\n3.1 .27
\n\u4e3b\u8981\u529f\u80fd primary function
\n\u8bbe\u5907\u5bf9\u4e8e\u7528\u6237\u6216\u5927\u591a\u6570\u7528\u6237\u5fc5\u8981\u7684\u529f\u80fd \u3002
\n\u6ce8 \uff1a\u8bbe\u5907\u53ef \u4ee5\u5177\u6709\u591a\u4e2a\u4e3b\u8981\u529f\u80fd \u3002\u4f8b\u5982 \uff0c\u7535\u89c6\u673a\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec \u5e7f\u64ad\u63a5\u6536 \u3001\u97f3\u9891\u91cd\u73b0\u548c\u663e\u793a \u3002
\n3. 1.28
\n\u4e00\u6b21\u4fdd\u62a4 primary protection
\n\u9632\u6b62\u5927\u90e8\u5206\u6d6a\u6d8c\u80fd\u91cf\u901a\u8fc7\u6307\u5b9a\u754c\u9762\uff08\u901a\u5e38\u662f\u5efa\u7b51\u7269\u7ebf\u7f06\u63a5\u4eba\u70b9\uff09 \u4f20\u64ad\u7684\u63aa\u65bd \u3002
\n3. 1.29
\n\u4e00\u6b21\u4fdd\u62a4\u5668 primary protector
\n\u5bf9\u53ef\u80fd\u8fde\u63a5\u5230\u5ba4\u5916\u7535\u7f06\u7684\u6a21\u62df \uff0f\u6570\u5b57\u7aef\u53e3\u8fdb\u884c \u4e00\u6b21\u4fdd\u62a4\u7684\u6d6a\u6d8c\u4fdd\u62a4\u88c5\u7f6e \u3002
\n\u6ce8 \uff1a\u4e0e ITU T K \u7cfb\u5217\u5efa\u8bae\u4e66\u4e00\u81f4 \u3002
\n3. 1.30
\n\u5c04\u9891\u8c03\u5236\u5668\u8f93\u51fa\u7aef\u53e3 RF modulator output port
\n\u65e8\u5728\u8fde\u63a5\u5230\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\u8c03\u8c10\u5668\u7aef\u53e3\uff08 3.1.8 \uff09 \u4ee5\u4fbf\u5411\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\u53d1\u9001\u4fe1\u53f7\u7684\u7aef\u53e3 \u3002
\n3.1.31
\n\u4fe1\u53f7\uff0f\u63a7\u5236\u7aef\u53e3 signal\/control port
\n\u7528\u4e8e EUT \u7ec4\u4ef6\u4e4b\u95f4\u4e92\u8fde \uff0c\u6216 EUT \u4e0e\u672c\u5730 AE \u4e4b\u95f4\u4e92\u8fde\u7684\u7aef\u53e3 \uff0c\u5e76\u6309\u7167\u76f8\u5173\u529f\u80fd\u89c4\u8303\uff08 \u4f8b\u5982 \uff0c\u4e0e\u5176 \u8fde\u63a5\u7684\u7535\u7f06\u7684\u6700\u5927\u957f\u5ea6\uff09 \u4f7f\u7528\u3002
\n\u6ce8 \uff1a\u5982 RS-232 \u3001\u901a\u7528\u4e32\u884c\u603b\u7ebf CUSB\uff09 \u3001\u9ad8\u6e05\u6670\u5ea6\u591a\u5a92\u4f53\u63a5\u53e3C HDMD \u3001IEEE 1394\uff08\u201c\u706b\u7ebf\u201d\uff09 \u7b49 \u3002
\n3. 1.32
\n\u89c6\u9891\u8bbe\u5907 video equipment
\n\u4e3b\u8981\u529f\u80fd\u4e3a\u4ee5\u4e0b \u4e00\u4e2a\u6216\u591a\u4e2a\u529f\u80fd\u7684\u8bbe\u5907 \uff0c\u529f\u80fd\u5305\u62ec\u4ea7\u751f \u3001\u8f93\u5165\u3001\u5b58\u50a8\u3001\u663e\u793a\u3001\u64ad\u653e\u3001\u68c0\u7d22\u3001\u4f20\u8f93\u3001\u63a5\u6536\u3001 \u653e\u5927 \u3001\u5904\u7406 \u3001\u8f6c\u6362\u6216\u63a7\u5236\u89c6\u9891\u4fe1\u53f7 \u3002
\n3. 1.33
\n\u6709\u7ebf\u7f51\u7edc\u7aef\u53e3 wired network port
\n\u901a\u8fc7\u76f4\u63a5\u8fde\u5230\u5355\u7528\u6237\u6216\u591a\u7528\u6237\u7684\u901a\u4fe1\u7f51\u7edc\u5c06\u5206\u6563\u7684\u7cfb\u7edf\u4e92\u8054 \uff0c\u7528\u4e8e\u4f20\u8f93\u8bed\u97f3 \u3001\u6570\u636e\u548c\u4fe1\u53f7\u7684\u7aef\u53e3 \u3002
\n\u6d3c 1 \uff1a\u5982\u6709\u7ebf\u7535\u89c6\u7f51\u7edc\uff08CATV\uff09 \u3001\u516c\u5171\u4ea4\u6362\u7535\u4fe1\u7f51\u7edc C PSTN \uff09 \u3001\u7efc\u5408\u4e1a\u52a1\u6570\u5b57\u7f51 CISDN \uff09 \u3001\u6570\u5b57 \u7528\u6237\u7ebf\u8def C xDSL) \u3001\u5c40\u57df \u7f51C LAN \uff09 \u4ee5\u53ca\u7c7b\u4f3c\u7f51\u7edc \u3002
\n\u6ce8 2 \uff1a\u6b64\u7c7b\u7aef\u53e3\u53ef\u4ee5\u652f\u6301\u5c4f\u853d\u6216\u975e\u5c4f\u853d\u7535\u7f06 \uff0c\u5982\u679c\u76f8\u5173\u901a\u4fe1\u89c4\u8303\u5141\u8bb8 \uff0c\u4e5f\u53ef\u540c\u65f6\u63d0\u4f9b AC \u6216 DC \u4f9b\u7535 \u3002
\n3.2 \u7f29\u7565\u8bed
\n\u4e0b\u5217\u7f29\u7565\u8bed\u9002\u7528\u4e8e\u672c\u6587\u4ef6 \u3002
\n\u5148\u8fdb\u7684\u5e7f\u64ad\u536b\u661f\u7cfb\u7edf\uff08 ad vanced satellite broadcasti ng system )
\n\u4ea4\u6d41\u7535\uff08 alternating current ) \u8f85\u52a9\u8bbe\u5907\uff08 associated equ i pment) \u81ea\u52a8\u589e\u76ca\u63a7\u5236\uff08au tomatic gain control) \u8c03\u5e45\uff08 amplit ude mod ulation)
\n\u5f02\u6b65\u4f20\u8f93\u6a21\u5f0f\uff08 asynchronous transf er mode) \u6709\u7ebf\u7535\u89c6\u7f51\u7edc\uff08 ca ble TV network ) \u7535\u8377\u7978\u5408\u5668\uff08charge cou pled device) \u641e\u5408\uff0f\u53bb\u641e\u7f51\u7edc\uff08 cou pling and decou pling networ k )
\n\u56fd\u9645\u65e0\u7ebf\u7535\u5e72\u6270\u7279\u522b\u59d4\u5458\u4f1a\uff08 international special commi ttee on radio interf erence)
\n\u4e2d\u56fd\u79fb\u52a8\u591a\u5a92\u4f53\u5e7f\u64ad\uff08 China mobi le mu ltimedia broadcasting)
\n\u5ba2\u6237\u7aef\u8bbe\u5907\uff08 customer premise equ ipment) \u9634\u6781\u5c04\u7ebf\u7ba1\uff08 cathode ray tu be\uff09 \uff0c\u4e00\u79cd\u56fe\u50cf\u663e\u793a\u88c5 \u7f6e \u6570\u5b57\u58f0\u97f3\u5e7f\u64ad\uff08 d i gital audio broad casting)
\n\u76f4\u6d41\u7535 C direct current )
\n\u6570\u5b57\u7528\u6237\u7ebf\uff08 digital subscri ber l ine)
\n\u6570\u5b57\u5730\u9762\u7535\u89c6\u591a\u5a92\u4f53\u5e7f\u64ad\uff08 d i gital terrestria l tel evisionm u ltimedia broad cast )
\n\u6570\u5b57\u7535\u89c6\u5e7f\u64ad\uff08 d igi ta l video broad cast) \u6709\u7ebf\u6570\u5b57\u7535\u89c6\u5e7f\u64ad\uff08 d i gital video broadcast cab l e) \u536b\u661f\u6570\u5b57\u7535\u89c6\u5e7f\u64ad\uff08 d igital video broadcast -satel l ite)
\n\u6570\u5b57\u591a\u529f\u80fd\u5149\u76d8\uff08 digital versati l e disk ) C \u4e00\u79cd\u5149\u76d8\u683c\u5f0f \uff0c\u4e5f\u88ab\u79f0\u4e3a\u6570\u5b57\u89c6\u9891\u5149\u76d8\uff09 \u6570\u5b57\u89c6\u9891\u5f55\u50cf \u673a C digital video recorder)
\n\u7535\u78c1\u517c\u5bb9C el ectromagnetic compatibi l i ty) \u6709\u6548\u8f90\u5c04\u529f\u7387\uff08 eff ective radiated power) \u5916\u90e8\u901a\u4fe1\u7f51\u7edc\uff08 external telecomm u nications network ) \u53d7\u8bd5\u8bbe\u5907\uff08 equi pment under test )
\n\u8c03\u9891\uff08 frequency mod u l ation)
\n\u5168\u7403\u79fb\u52a8\u901a\u4fe1\u65e0\u7ebf\u7535\u4e1a\u52a1\u7cfb\u7edf\uff08 global system of mobile communication radio service)
\n\u9ad8\u6e05\u6670\u5ea6\u591a\u5a92\u4f53\u63a5\u53e3\uff08 high-definition mu l timed ia interface) \u56fd\u9645\u7535\u5de5\u59d4\u5458\u4f1a C internationa l el ectrotechnica l commission) \u8109\u51b2\u566a\u58f0\u4fdd\u62a4 C impu l sive noi se protection )
\n\u7efc\u5408\u4e1a\u52a1\u6570\u5b57 \u7f51\uff08 integrated services digital network ) \u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\uff08 international standardization organization ) \u4fe1\u606f\u6280\u672f\u8bbe\u5907 C infor mation techno logy equ ipment ) \u5185\u90e8\u7535\u4fe1\u7f51\u7edc\uff08 interna l telecomm u nications networ k ) \u56fd\u9645\u7535\u4fe1\u8054\u76df\uff08 internationa l tel ecomm u ni cation u nion )
\n\u56fd \u9645 \u7535 \u4fe1 \u8054 \u76df \u7535 \u4fe1 \u90e8 \u95e8 \uff08 internationa l tel ecomm u \u65e5ication u rnon tel ecomm u nication sector )
\n\u5c40\u57df\u7f51\uff08 l ocal area network )
\n\u7eb5\u5411\u8f6c\u6362\u635f\u8017\uff08 longitudina l conversion l oss) \u4e50\u5668\u6570\u5b57\u63a5\u53e3\uff08 m usica l instru ment digital interface) \u591a\u5a92\u4f53\u8bbe\u5907\uff08 mu l timed ia eq ui pment ) \u8fd0\u52a8\u56fe\u8c61\u4e13\u5bb6\u7ec4\uff08 moving pict ure experts grou p)
\n\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff08 orthogona l frequency division mu l tip l exing) \u4e13\u7528\u81ea\u52a8\u4ea4\u6362\u5206\u673a\uff08 private automatic branch exchange ) \u9010\u884c\u5012\u76f8\u683c\u5f0f\uff08 p hase al ternating l ine\uff09 \uff0c\u4e00\u79cd\u590d\u5408\u5f69\u8272\u89c6\u9891\u7f16\u7801\u683c\u5f0f \u51c6\u540c\u6b65\u6570\u5b57\u7cfb\u5217\uff08 plesiochronous digital hierarchy)
\n\u4ee5\u592a\u7f51\u4f9b\u7535\uff08 power over ethernet)
\n\u9500\u552e\u7ec8\u7aef\uff08 point of sal e)
\n\u666e\u901a\u4f20\u7edf\u7535\u8bdd\u4e1a\u52a1\uff08 p l ain ol d tel ephone service) \u516c\u5171\u4ea4\u6362\u7535\u4fe1\u7f51\uff08 pu b lic switched tel ecomm unications networks) \u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236\uff08 quad ratu re ampl itude mod u l ation ) \u6b63\u4ea4\u76f8\u79fb\u952e\u63a7\uff08 quad rature phase shif t keying )
\n4 \u8bd5\u9a8c\u9879\u76ee\u8981\u6c42<\/p>\n

4. 1 \u4e00\u822c\u8981\u6c42<\/p>\n

\u5c04\u9891\uff08 radio frequency)
\n\u53c2\u8003\u63a5\u5730\u5e73\u677f C reference ground plane)
\n\u5747\u65b9\u6839\uff08 root mean square)
\n\u540c\u6b65\u6570\u5b57\u5e8f\u5217\uff08 synchronous d igital hierarchy)
\n\u58f0\u538b\u7ea7 C sound pressure l evel)
\n\u5c4f\u853d\u53cc\u7ede\u7ebf C screened twi sted pair )
\n\u6a2a\u7535\u78c1\u6ce2\u5c0f\u5ba4\uff08 transverse el ectromagnetic)
\n\u4e0a\u5347\u65f6\u95f4\uff08 \u6ce2\u524d\u65f6\u95f4\uff09 \uff0f\u534a\u5cf0\u503c\u65f6\u95f4 \uff3b rise time ( or front ti me) \/ time to half va l u e]
\n\u7535\u4fe1\u7ec8\u7aef\u8bbe\u5907\uff08telecommu nication termina l equipment )
\n\u901a\u7528\u4e32\u884c\u603b\u7ebf\uff08 universal serial bus)
\n\u8bed\u97f3\uff08 voi ce over IP)
\n\u6240\u6709\u7c7b\u578b DSL \u6280\u672f\u7684\u603b\u79f0\uff08 generic term for al l types of DSL technology )
\n\u672c\u6587\u4ef6\u5bf9\u8bbe\u5907\u7684\u6297\u6270\u5ea6\u8bd5\u9a8c\u5305\u62ec\u4ee5\u4e0b\u8981\u6c42 \uff1a\u9002\u7528\u8bd5\u9a8c\u9879\u76ee\u7684\u9009\u62e9\u3001\u8bd5\u9a8c\u671f\u95f4\u65bd\u52a0\u7684\u9a9a\u6270\u7535\u5e73\u3001\u8bd5\u9a8c \u914d\u7f6e \u3001\u6027\u80fd\u5224\u636e\u53ca\u5176\u4ed6\u5fc5\u8981\u7ec6\u8282 \u3002\u8fd9\u4e9b\u8981\u6c42\u5305\u542b\u5728\u672c\u6587\u4ef6\u7684\u6b63\u6587\u548c\u9644\u5f55\u4e2d \u3002
\n\u672c\u6587\u4ef6\u4e2d \uff0c\u201c\u8bd5\u9a8c\u201d\u662f\u6307\u5c06\u7535\u78c1\u73b0\u8c61\u4f5c\u7528\u5728 EUT \u7aef\u53e3\u4e0a \uff0c\u5e76\u5bf9 EUT \u4e3b\u8981\u529f\u80fd\u7684\u5f71\u54cd\u8fdb\u884c\u8bc4\u4ef7 \u3002 \u672c\u6587\u4ef6\u4e2d \uff0c\u8868\u683c\u6761\u6b3e\u4f7f\u7528 x.y \u683c\u5f0f\u8868\u793a \uff0c\u5176\u4e2d x \u8868\u793a\u67d0\u8868 \uff0cy \u8868\u793a\u8be5\u8868\u4e2d\u5b9e\u9645\u7684\u6761\u6b3e\uff08 \u884c\uff09 \u3002\u4f8b\u5982 \uff0c\u8868
\n\u683c\u6761\u6b3e 1.3 \u8868\u793a\u8868 1 \u7684\u6761\u6b3e\uff08\u884c\uff09 3 \u3002
\n\u8bd5\u9a8c\u524d \uff0c\u5e94\u5728\u8bd5\u9a8c\u8ba1\u5212\u4e2d\u89c4\u5b9a\u8bd5\u9a8c\u65f6 EUT \u7684\u5404\u79cd\u72b6\u6001 \uff0c\u5305\u62ec\uff08\u4f46\u4e0d\u9650\u4e8e\uff09 \u4ee5\u4e0b\u7ec6\u8282 \uff1a\u9009\u62e9\u4e3b\u8981\u529f\u80fd\u3001 \u8fd9\u4e9b\u4e3b\u8981\u529f\u80fd\u5bf9\u5e94\u7684\u6027\u80fd\u5224\u636e\u4ee5\u53ca\u8fd0\u884c\u6a21\u5f0f \u3002\u8bd5\u9a8c\u62a5\u544a\u4e2d\u5e94\u81f3\u5c11\u5305\u62ec\u4e0a\u8ff0\u7ec6\u8282 \u3002
\n\u5728\u8fdb\u884c\u8868 1 \u8868 4 \u6240\u89c4\u5b9a\u7aef\u53e3\u7684\u8bd5\u9a8c\u65f6 \uff0c\u5e94\u4f9d\u636e\u76f8\u5173\u7684\u6027\u80fd\u5224\u636e\u5bf9\u4e3b\u8981\u529f\u80fd\u8fdb\u884c\u76d1\u89c6\u548c\u8bc4\u4ef7 \u3002 \u5bf9\u4e8e\u5305\u62ec\u5728\u89c4\u8303\u6027\u9644\u5f55\u4e2d\uff08\u9644\u5f55 A \u9644\u5f55 H\uff09 \u7684\u4e3b\u8981\u529f\u80fd \uff0c\u5404\u76f8\u5173\u9644\u5f55\u4e2d\u7684\u7279\u6b8a\u8981\u6c42\u4f18\u5148\u4e8e\u7b2c 8 \u7ae0
\n\u4e2d\u7ed9\u51fa\u7684\u901a\u7528\u6027\u80fd\u5224\u636e \u3002\u7b2c 8 \u7ae0\u4e2d\u7ed9\u51fa\u7684\u901a\u7528\u6027\u80fd\u5224\u636e\u9002\u7528\u4e8e\u8fd9\u4e9b\u9644\u5f55\u4e2d\u672a\u5305\u542b\u7684\u4e3b\u8981\u529f\u80fd \u3002\u9644\u5f55 J
\n\u4e2d\u7ed9\u51fa\u4e86\u8fd9\u4e9b\u9644\u5f55\u7684\u5e94\u7528\u5b9e\u4f8b \u3002
\n\u4fe1\u53f7\u5904\u7406\u548c\u6570\u636e\u5b58\u50a8\u529f\u80fd\u5e94\u6839\u636e\u7b2c 8 \u7ae0\u7ed9\u51fa\u7684\u901a\u7528\u6027\u80fd\u5224\u636e\u8fdb\u884c\u8bc4\u4ef7 \u3002
\nEUT \u53ef\u80fd\u5177\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u4e3b\u8981\u529f\u80fd \uff1a \u4e00\u4e00\u53ef\u89c2\u5bdf\u6216\u76d1\u6d4b\u7684\u76f4\u63a5\u529f\u80fd \u3002
\n\u76f4\u63a5\u529f\u80fd\u7684\u4e00\u4e2a\u4f8b\u5b50\u662f\u4f9d\u636e\u9644\u5f55 H \u5bf9\u7535\u8bdd\u542c\u7b52\u5185\u5df2\u89e3\u8c03\u97f3\u9891\u7684\u6d4b \u91cf \u3002 \u4e00\u4e00\u53ea\u80fd\u901a\u8fc7\u76d1\u6d4b\u76f4\u63a5\u529f\u80fd\u6765\u89c2\u5bdf\u7684\u95f4\u63a5\u529f\u80fd \u3002
\n\u95f4\u63a5\u529f\u80fd\u7684\u4e00\u4e2a\u4f8b\u5b50\u662f DVD \u5f55\u50cf\u673a\u5b58\u50a8\u89c6\u9891\u7684\u80fd\u529b \uff0c\u53ef\u4ee5\u5728\u8bd5\u9a8c\u5b8c\u6210\u540e\u4f7f\u7528\u56de\u653e\u529f\u80fd\u6765\u8bc4\u4ef7\u89c6 \u9891\u7684\u51c6\u786e\u6027 \u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b \uff0c\u9700\u8981\u89c2\u5bdf\u548c\u68c0\u67e5\u5728\u6574\u4e2a\u8bd5\u9a8c\u8fc7\u7a0b\u4e2d\u8bb0\u5f55\u7684\u89c6\u9891\u7684\u6027\u80fd\u662f\u5426\u4e0b\u964d \u3002
\n\u901a\u8fc7\u6309\u9884\u671f\u8fd0\u884c\u8bbe\u5907\u5e76\u76d1\u89c6\u5176\u76f4\u63a5\u529f\u80fd\u4ee5\u786e\u5b9a\u95f4\u63a5\u529f\u80fd\u7684\u6027\u80fd \uff0c\u6765\u8fbe\u5230\u8bc4\u4ef7\u95f4\u63a5\u529f\u80fd\u7684\u76ee\u7684 \u3002\u5f53 \u4ee5\u8fd9\u79cd\u65b9\u5f0f\u8bc4\u4ef7\u76f4\u63a5\u548c\u95f4\u63a5\u529f\u80fd\u5e76\u4e14\u8fd9\u4e24\u79cd\u529f\u80fd\u7684\u6027\u80fd\u5224\u636e\u4e0d\u540c\u65f6 \uff0c\u5e94\u4f7f\u7528\u8f83\u5bbd\u677e\u7684\u5224\u636e \u3002
\n\u4e3a\u4e86\u51cf\u5c11\u8bd5\u9a8c\u7684\u6b21\u6570 \uff0c\u6bcf\u6b21\u8bd5\u9a8c\u65f6\u5efa\u8bae\u9009\u62e9\u53ef\u5b9e\u73b0\u591a\u79cd\u4e3b\u8981\u529f\u80fd\u7684\u67d0\u4e2a\u6216\u591a\u4e2a\u8fd0\u884c\u6a21\u5f0f \u3002\u4f8b\u5982 \uff0c\u4ece LAN \u7aef\u53e3\u63a5\u6536\u6570\u636e\u65f6 \uff0c\u53ef\u4ee5\u8bc4\u4ef7 EUT \u7684\u6570\u636e\u63a5\u6536 \u3001\u663e\u793a\u548c\u6253\u5370\u529f\u80fd \uff0c\u4f7f\u5f97\u5728\u4e00\u6b21\u8bd5\u9a8c\u4e2d\u5e76\u884c\u5730\u8fd0\u884c\u8fd9 \u4e9b\u529f\u80fd \uff0c\u4ece\u800c\u51cf\u5c11\u8bd5\u9a8c\u65f6\u95f4 \u3002
\n\u652f\u6301\u5c4f\u853d\u548c\u975e\u5c4f\u853d\u7535\u7f06\u7684\u7aef\u53e3 \uff0c\u9664\u975e EUT \u89c4\u8303\u53e6\u6709\u89c4\u5b9a \uff0c\u8bd5\u9a8c\u671f\u95f4\u5e94\u4f7f\u7528\u975e\u5c4f\u853d\u7535\u7f06 \u3002 \u672c\u6587\u4ef6\u8981\u6c42\u7684\u6297\u6270\u5ea6\u8bd5\u9a8c\u5e94\u6309\u4efb\u610f\u987a\u5e8f\u5206\u522b\u8fdb\u884c \u3002\u4e0e\u67d0\u4e00\u5177\u4f53\u7535\u78c1\u73b0\u8c61\uff08 \u8bd5\u9a8c\u9879\u76ee\uff09 \u6709\u5173\u7684\u6240\u6709\u8bd5
\n\u9a8c\u5e94\u4f7f\u7528\u540c\u4e00\u6837\u54c1 \uff0c\u8fdb\u884c\u4e0d\u540c\u7535\u78c1\u73b0\u8c61\u7684\u8bd5\u9a8c\u65f6\u53ef\u4f7f\u7528\u5176\u4ed6\u6837\u54c1 \u3002\u8fd9\u4e9b\u5176\u4ed6\u6837\u54c1\u5e94\u5177\u6709\u76f8\u540c\u7684\u578b\u53f7 \uff0c\u5305 \u62ec\u7ed3\u6784 \u3001\u8f6f\u4ef6\u3001\u56fa\u4ef6\u548c\u5176\u4ed6\u53ef\u80fd\u5f71\u54cd\u8bd5\u9a8c\u7ed3\u679c\u7684\u56e0\u7d20\u3002
\n\u8868 1 \u8868 4 \u5f15\u7528\u7684\u76f8\u5173\u6807 \u51c6\u4e2d\u7ed9\u51fa\u4e86\u8bd5\u9a8c\u7684\u63cf\u8ff0 \u3001\u8bd5\u9a8c\u8bbe\u5907\uff08\u4f8b\u5982 \uff0c\u53d1\u751f\u5668 \u3001\u653e\u5927\u5668\u3001\u4f20\u611f\u5668\u548c\u7535 \u7f06\uff09 \u3001\u8bd5\u9a8c\u65b9\u6cd5\u3001\u6821\u51c6\u548c\uff0f\u6216\u9a8c\u8bc1\u65b9\u6cd5\u4ee5\u53ca\u8bd5\u9a8c\u914d\u7f6e \u3002\u5728\u672c\u6587\u4ef6\u4e2d\u4e0d\u518d\u91cd\u590d\u8fd9\u4e9b\u6807\u51c6\u7684\u5185\u5bb9 \uff0c\u4f46\u662f \uff0c\u672c\u6587\u4ef6 \u7ed9\u51fa\u4e86\u5b9e\u9645\u8fdb\u884c\u8bd5\u9a8c\u6240 \u9700\u7684\u4fee\u6539\u6216\u9644\u52a0\u4fe1\u606f \u3002<\/p>\n

4.2 \u5177\u4f53\u8981\u6c42<\/p>\n

4.2.1 \u9759\u7535\u653e\u7535 CESD)<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 GB\/ T 17626.2 -2018 \u3002\u9759\u7535\u653e\u7535\u5e94\u4ec5\u5bf9\u8bbe\u5907\u5728\u6b63\u5e38\u4f7f\u7528\u671f\u95f4\u53ef\u80fd\u88ab\u89e6\u53ca\u7684\u70b9\u6216 \u9762\u65bd\u52a0 \uff0c\u5305\u62ec\u5728\u7528\u6237\u624b\u518c\u4e2d\u8bf4\u660e\u7684\u7528\u6237\u53ef\u80fd\u89e6\u53ca\u7684\u90e8\u5206 \uff0c\u4f8b\u5982 \uff0c\u5728 EUT \u901a\u7535\u65f6\u6e05\u7406\u6216\u6dfb\u52a0\u8017\u6750\u53ef\u80fd\u89e6 \u53ca\u7684\u90e8\u4f4d \u3002\u8fde\u63a5\u5668\u672a\u8fde\u63a5\u72b6\u6001\u4e0b \uff0c\u65e0\u9700\u5bf9\u8fde\u63a5\u5668\u7684\u88f8\u9732\u89e6\u70b9\u8fdb\u884c\u653e\u7535 \u3002
\n\u8bd5\u9a8c\u70b9\u7684\u6570\u91cf\u89c6\u5177\u4f53\u8bbe\u5907\u800c\u5b9a \uff0c\u8bd5\u9a8c\u70b9\u7684\u9009\u62e9\u5e94\u8003\u8651 GB\/ T 17626. 2 2018 \u4e2d 8.3.1 \u548c A. 5 \u7684\u8981 \u6c42 \uff0c\u5c24\u5176\u8981\u6ce8\u610f\u952e\u76d8 \u3001\u62e8\u53f7\u76d8 \u3001\u7535\u6e90\u5f00\u5173\u3001\u9f20\u6807\u3001\u9a71\u52a8\u5668\u63d2\u69fd\u3001\u5361\u69fd\u3001\u901a\u4fe1\u7aef\u53e3\u5468\u56f4\u533a\u57df\u7b49\u90e8\u4f4d\u3002
\n\u5f53\u5bf9\u5e26\u6709\u663e\u793a\u5c4f\u7684\u4e14\u7531\u7535\u6c60\u4f9b\u7535\u7684\u4fbf\u643a\u5f0f\u6216\u624b\u6301\u5f0f EUT \u8fdb\u884c\u76f4\u63a5\u653e\u7535\u65f6 \uff0c\u5728\u67d0\u4e2a\u6307\u5b9a\u7684 EUT \u65b9 \u5411\u4e0a\u53ef\u80fd\u65e0\u6cd5\u89c2\u5bdf\u5230\u5c4f\u5e55 \u3002\u5982\u679c\u5728\u8bd5\u9a8c\u671f\u95f4\u6709\u5fc5\u8981\u89c2\u5bdf\u5c4f\u5e55 \uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u975e\u91d1\u5c5e\u652f\u67b6\u5782\u76f4\u5b89\u88c5 EUT \u3002
\n4.2.2 \u8fde\u7eed\u5c04\u9891\u9a9a\u6270<\/p>\n

4.2.2.1 \u6982\u8ff0<\/p>\n

\u5e94\u8fdb\u884c\u4e0b\u5217\u8bd5\u9a8c \uff1a
\n\u626b\u9891\u8bd5\u9a8c \uff0c\u5728\u88681-\u8868 4 \u4e2d\u89c4\u5b9a\u7684\u9891\u7387\u8303\u56f4\u5185\u8fdb\u884c \uff1b
\n\u9644\u52a0\u70b9\u9891\u8bd5\u9a8c \uff0c\u4ec5\u5728\u76f8\u5173\u9644\u5f55\u4e2d\u7684\u529f\u80fd\u6709\u8981\u6c42\u65f6\u8fdb\u884c \uff0c\u8981\u6c42\u7684\u9891\u7387\u5728\u7b2c 5 \u7ae0\u4e2d\u7ed9\u51fa \u3002 \u4f18\u5148\u4f7f\u7528 1% \u7684\u9891\u7387\u6b65\u957f \uff0c\u4e3a\u4e86\u51cf\u5c11\u9700\u8981\u5728\u591a\u4e2a\u914d\u7f6e\u548c \uff0f\u6216\u957f\u5468\u671f\u5185\u8bd5\u9a8c\u7684\u8bbe\u5907\u7684\u8bd5\u9a8c\u65f6\u95f4 \uff0c\u53ef\u4ee5
\n\u6309\u4e0d\u8d85\u8fc7 4 % \u7684\u9891\u7387\u6b65\u957f\u8fdb\u884c\u626b\u9891 \uff0c\u6b64\u65f6 \uff0c\u8bd5\u9a8c\u7535\u5e73\u5e94\u4e3a\u89c4\u5b9a\u7684\u8bd5\u9a8c\u7535\u5e73\u7684\u4e24\u500d \u3002\u4f7f\u7528\u7684\u9891\u7387\u6b65\u957f\u548c\u8bd5 \u9a8c\u7535\u5e73\u5e94\u8bb0\u5f55\u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d \u3002
\n\u89c4\u5b9a\u7684\u8bd5\u9a8c\u7535\u5e73\u4e3a\u672a\u8c03\u5236\u7684\u5747\u65b9\u6839\u7535\u538b\u503c \u3002
\n\u9a9a\u6270\u4fe1\u53f7\u4e3a\u6b63\u5f26\u6ce2\u8c03\u5e45\u4fe1\u53f7 \uff0c\u8c03\u5236\u9891\u7387 1 k Hz \uff0c\u8c03\u5236\u5ea6 80 % \u3002\u5728\u672c\u6587\u4ef6\u4e2d\uff08 \u4f8b\u5982 \uff0cG. 3 \uff09 \u9a9a\u6270\u4fe1\u53f7\u5141 \u8bb8\u4f7f\u7528 1 k Hz \u4ee5\u5916\u7684\u9891\u7387\u8fdb\u884c\u8c03\u5236 \uff0c\u9009\u62e9\u7684\u539f\u56e0\u5e94\u5305\u62ec\u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d \u3002
\n\u5728\u6bcf\u4e00\u9891\u7387\u70b9\u7684\u9a7b\u7559\u65f6\u95f4\u4e0d\u5e94\u5c11\u4e8e EUT \u52a8\u4f5c\u548c\u54cd\u5e94\u7684\u5fc5\u8981\u65f6\u95f4 \uff0c\u7136\u800c \uff0c\u5728\u626b\u9891\u671f\u95f4\u6bcf \u4e00\u4e2a\u9891\u7387\u70b9 \u7684\u9a7b\u7559\u65f6\u95f4\u4e0d\u5b9c\u8d85\u8fc7 5 s 0
\n\u5f53 EUT \u5e26\u6709\u65e0\u7ebf\u7535\u63a5\u6536\u529f\u80fd \uff0c\u8bd5\u9a8c\u9891\u7387\u8fdb\u5165\u63a5\u6536\u529f\u80fd\u8bbe\u8ba1\u7684\u63a5\u6536\u9891\u5e26\u5185\u65f6 \uff0c\u65e0\u7ebf\u7535\u63a5\u6536\u529f\u80fd\u5c06\u4e0d \u4f1a\u6b63\u5e38\u5de5\u4f5c \u3002\u5176 \u4e2d\uff0c\u5e7f\u64ad\u63a5\u6536\u529f\u80fd\u6309\u7167\u9644\u5f55 A \u8fdb\u884c\u8bd5\u9a8c \u3002
\n4.2.2.2 \u8fde\u7eed\u5c04\u9891\u7535\u78c1\u573a\u9a9a\u6270<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 GB\/ T 17626.3-2016 \u3001GB\/ T 17626.20-2014 \u6216 GB\/ T 17626.21-2014 \u3002
\n\u5f53\u4f9d\u636e GB\/ T 17626.3-2016 \u6216 GB\/ T 17626 .20-2014 \u8fdb\u884c\u8bd5\u9a8c\u65f6 \uff0c\u5982\u679c\u88ab\u6d4b\u8bbe\u5907\u6700\u654f\u611f\u7684 \u4e00\u4fa7 \u5728\u6574\u4e2a\u9891\u7387\u8303\u56f4\u5185\u662f\u5df2\u77e5\u7684\uff08 \u4f8b\u5982 \uff0c\u901a\u8fc7\u9884\u6d4b\u5f97\u77e5\uff09 \uff0c\u90a3\u4e48\u8bd5\u9a8c\u53ef\u4ee5\u4ec5\u5728\u8fd9 \u4e00\u4fa7\u8fdb\u884c \u3002
\n\u5728 4.2.2.1 \u4e2d\u89c4\u5b9a\u7684\u6bcf\u4e00\u9891\u7387\u7684\u9a7b\u7559\u65f6\u95f4\u7684\u8981\u6c42\u9002\u7528\u4e8e EUT \u7684\u6bcf\u4e2a\u9762\uff08\u6216\u4fa7\uff09 \u3001\u5929\u7ebf\u4f4d\u7f6e \u548c\u6781\u5316\u65b9 \u5411\u6216\u8005\u6405\u62cc\u5668\u7684\u5e03\u7f6e \u3002
\n\u5728\u6309\u8868\u683c\u6761\u6b3e 1.3 \u4e2d\u89c4\u5b9a\u7684\u8981\u6c42\u8fdb\u884c\u8bd5\u9a8c\u65f6\uff08\u9891\u7387\u8d85\u8fc7 1 GHz \u7684\u626b\u9891\u8bd5\u9a8c\uff09 \uff0cEUT \u7684\u8f90\u5c04\u7167\u5c04\u53ef\u4f7f \u7528 GB\/ T 17626.3 2016 \u4e2d\u9644\u5f55 H \u89c4\u5b9a\u7684\u72ec\u7acb\u7a97\u53e3\u6cd5 \u3002
\n\u5728 GB\/ T 17626.3 2016 \u4e2d\u89c4\u5b9a\u7684\u5c40\u90e8\u7167\u5c04\u53ef\u7528\u4e8e \uff1a \u4e00\u4e00\u5982\u679c EUT \u592a\u5927\u800c\u65e0\u6cd5\u653e \u7f6e\u5728\u5747\u5300\u57df\u5185 \uff1b
\n\u5982\u679c EUT \u7531\u72ec\u7acb \u7684\u6a21\u5757\u7ec4\u6210 \uff0c\u4e0d\u80fd\u5355\u72ec\u8fdb\u884c\u8bd5\u9a8c \uff0c\u5e76\u4e14\u592a\u5927\u800c\u65e0\u6cd5\u653e\u7f6e\u5728\u5747\u5300\u57df\u5185 \u3002 \u5f53\u5728 TEM \u5c0f\u5ba4\u8fdb\u884c\u8bd5\u9a8c\u65f6 \uff0cEUT \u5e94\u7b26\u5408 GB\/ T 17626.20 -2014 \u5b9a\u4e49\u7684\u201c\u5c0f EUT\u201d\u8981\u6c42 \u3002 \u6ce8 \uff1a\u9644\u5f55 I\u4e2d\u7ed9\u51fa\u4e86\u7279\u5b9a\u7684\u5143\u7ebf\u7535\u6280\u672f\u7684\u8fdb \u4e00\u6b65\u4fe1\u606f \u3002\u66f4\u591a\u7684\u5177\u4f53\u7ec6\u8282\u89c1 \u8868 1.1\u3002<\/p>\n

4.2.2.3 \u8fde\u7eed\u5c04\u9891\u611f\u5e94\u9a9a\u6270<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 IEC 61000-4-6 :2008 0
\n\u591a\u82af\u7535\u7f06\u5e94\u89c6\u4e3a\u5355\u6839\u7535\u7f06\u8bd5\u9a8c \uff0c\u4e0d\u5e94\u5206\u5272\u7535\u7f06\u6216\u5c06\u82af\u7ebf\u5206\u7ec4\u8fdb\u884c\u8bd5\u9a8c \u3002\u5f53\u6ca1\u6709\u9002\u7528\u7684 CDN \u65f6 \uff0c\u4f7f \u7528 IEC 61000 4 6 :2008 \u4e2d\u7684\u56fe 1\u786e\u5b9a\u5408\u9002\u7684\u6ce8\u5165\u65b9\u6cd5 \u3002
\n\u5f53\u4f7f\u7528\u94b3\u6ce8\u4eba\uff08 \u5305\u62ec\u7535\u78c1\u94b3\u548c\u7535\u6d41\u94b3\uff09 \u65f6 \uff0c\u53ef\u80fd\u9700\u8981\u989d\u5916\u7684\u9694\u79bb\u88c5 \u7f6e\u4fdd\u62a4 AE \u3002<\/p>\n

4.2.3 \u5de5\u9891\u78c1\u573a<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 IEC 61000-4-8 :2009 \u3002\u53ef\u4ee5\u4f7f\u7528\u90bb\u8fd1\u6cd5 \u3002<\/p>\n

4.2.4 \u7535\u5feb\u901f\u77ac\u53d8\u8109\u51b2\u7fa4<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 GB\/ T 17626.4-2018 o
\n\u591a\u82af\u7535\u7f06\u5e94\u89c6\u4e3a\u5355\u6839\u7535\u7f06\u8bd5\u9a8c \uff0c\u4e0d\u5e94\u5206\u5272\u7535\u7f06\u6216\u5c06\u82af\u7ebf\u5206\u7ec4\u8fdb\u884c\u8bd5\u9a8c \u3002<\/p>\n

4.2.5 \u6d6a\u6d8c\uff08 \u51b2 \u51fb \uff09<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 IEC 61000-4-5 :2005 \u3002
\n\u6ce8 \uff1a\u5728 ITU \u5efa\u8bae\u4e66\u4e2d\u4e5f\u80fd\u627e\u5230\u6709\u7ebf \u7f51\u7edc\u7aef\u53e3\u6d6a\u6d8c\u8bd5\u9a8c \u7684\u8fdb\u4e00\u6b65\u6307\u5bfc \uff0c\u4f8b\u5982 \uff0cITU T K.20 , ITU T K.21, ITU T K. 43
\n\uff08 \u5305\u542b\u8bd5\u9a8c\u914d\u7f6e\u4fe1\u606f\uff09 \u548c ITU-T K.48 :2006 \uff08 \u5305\u542b\u7b2c 7 \u7ae0\u8fd0\u884c\u6a21\u5f0f\u548c\u7b2c 8 \u7ae0\u5177\u4f53\u6027\u80fd\u5224\u636e\uff09 \u3002
\n\u672c\u6587\u4ef6\u5bf9\u4e8e\u5f15\u7528\u6807\u51c6\u4e2d\u5e94\u4f7f\u7528\u4e4b\u524d\u672a\u65bd\u52a0\u8fc7\u6d6a\u6d8c\u7684 EUT \u8fdb\u884c\u8bd5\u9a8c\u7684\u8981\u6c42\u4e0d\u9002\u7528 \uff0c\u56e0\u6b64 \uff0c\u53ef\u4ee5\u5bf9\u65bd \u52a0\u8fc7\u6d6a\u6d8c \uff0f\u672a\u65bd\u52a0\u8fc7\u6d6a\u6d8c\u7684 EUT \u8fdb\u884c\u8bd5\u9a8c \uff0c\u4e5f\u53ef\u4ee5\u5728\u8bd5\u9a8c\u524d\u66f4\u6362\u4fdd\u62a4\u88c5 \u7f6e \u3002
\n4.2 .6 \u7535\u538b\u6682\u964d\u548c\u77ed\u65f6\u4e2d\u65ad<\/p>\n

\u8bd5\u9a8c\u7a0b\u5e8f\u5e94\u7b26\u5408 GB\/ T 17626 .11 2008 \u3002<\/p>\n

4.2.7 \u5bbd\u5e26\u8109\u51b2\u4f20\u5bfc\u9a9a\u6270<\/p>\n

\u5c06\u91cd\u590d\u566a\u58f0\u8109\u51b2\u548c\u5b64\u7acb\u566a\u58f0\u8109\u51b2\u5206\u522b\u65bd\u52a0\u5230 EUT \u7684 xDSL \u7aef\u53e3 \u3002\u8868 2 \u7ed9\u51fa\u4e86\u4e24\u9879\u8bd5\u9a8c\u7684\u8bd5\u9a8c \u7b49 \u7ea7\u3001\u8109\u51b2\u6301\u7eed\u65f6\u95f4\u548c\u8109\u51b2\u5468\u671f\u7684\u8981\u6c42\u3002
\n\u6b64\u8bd5\u9a8c\u7a0b\u5e8f\u57fa\u4e8e IEC 61000 4 6 :2008 \u89c4\u5b9a\u7684 CDN \u65b9\u6cd5 \uff0c\u4f46\u4fe1\u53f7\u53d1\u751f\u5668\u7528\u53ef \u4ea7\u751f\u81fc\u566a\u58f0\u8109 \u51b2\u7684\u53d1
\n\u751f\u5668\u66ff\u6362 \u3002\u89c1\u56fe 2 \u3002
\n\u767d\u566a\u58f0\u8109\u51b2\u5b9c\u6765\u6e90\u4e8e\u8f83\u957f\u5e8f\u5217\u4f2a\u968f\u673a\u8fd1\u9ad8\u65af\u767d\u566a \u58f0\u53d1\u751f\u5668 \uff0c\u5176\u5e26\u5bbd\u4e3a xDSL \u6280\u672f\u4f7f\u7528\u7684\u6700\u9ad8\u9891\u7387 \u6216 30 MHz \uff0c\u4ee5\u6700\u4f4e\u8005\u4e3a\u51c6 \u3002\u5b83\u53ef\u4ee5\u662f \u7531\u4e00\u4e2a\u4efb\u610f\u6ce2\u5f62\u53d1\u751f\u5668\u4ea7\u751f\u7684 \u3002\u4ea7\u751f\u7684\u566a \u58f0\u8109\u51b2\u7fa4\u5e8f\u5217\u7684\u957f\u5ea6 \u5e94\u81f3\u5c11\u5305\u542b 128 k \u4e2a\u91c7\u6837 \u3002
\n\u4f7f\u7528\u7684\u653e\u5927\u5668\u548c CDN \u5728\u9891\u7387\u8303\u56f4\u5185\u5e94 \u5177\u6709\u53d8\u5316\u4e0d\u8d85\u8fc7 3 dB \u7684\u9891\u7387\u54cd\u5e94 \uff0c\u9891\u7387\u8303\u56f4\u4ece 150 k Hz \u81f3 xDSL \u6280\u672f\u4f7f\u7528\u7684\u6700\u9ad8\u9891\u7387\u6216 30 M Hz \uff0c\u4ee5\u6700\u4f4e\u8005\u4e3a\u51c6 \u3002\u5efa\u8bae CDN \u5728\u76f8\u5173\u9891\u7387\u8303\u56f4\u5185\u5b9c\u6709\u81f3\u5c11 60 dB \u7684 LCL \u3002\u5f53\u4f7f\u7528\u66f4\u4f4e LCL \u503c\u7684 CDN \u8fdb\u884c\u8bd5\u9a8c\u65f6 \uff0c\u6ee1\u8db3\u6027\u80fd\u5224\u636e\u7684\u8bbe\u5907\u5e94\u88ab\u89c6\u4e3a\u6ee1\u8db3\u8981\u6c42 \u3002
\n\u6ce8 1 \uff1a\u7531LCL \u5c0f\u4e8e 60 dB \u7684 CDN \u4ea7\u751f\u7684\u5dee\u6a21\u4fe1\u53f7 \uff0c\u66f4\u5bb9\u6613\u5bfc\u81f4\u4e0d\u5408\u683c \u3002
\nCDN \u7684 LCL \u5e94\u6309\u7167 GB\/ T 6113.102-2018 \u6d4b\u91cf \u3002
\n\u5728 CDN \u7684\u8f93\u5165\u7aef\u53e3 \uff0c\u4fe1\u53f7\u7684\u5cf0\u503c\u4e0e\u6709\u6548\u503c\u4e4b\u6bd4\u5e94\u81f3\u5c11\u4e3a 4 .0 \u3002
\n\u4f7f\u7528\u4e0e IEC 61000-4-6 : 2008 \u4e2d\u76f8\u4f3c\u7684\u7535\u5e73\u8bbe\u7f6e\u7a0b\u5e8f \u3002\u4f7f\u7528\u5206\u8fa8\u7387\u5e26\u5bbd C RBW ) 10 k Hz \u4ee5\u53ca\u89c6\u9891\u5e26 \u5bbdC VBW \uff09 \u5c0f\u4e8e\u6216\u7b49\u4e8e 10 Hz \u7684\u9891\u8c31\u5206\u6790\u4eea \uff0c\u5728\u5cf0\u503c\u68c0\u6ce2\u6a21\u5f0f\u4e0b\u8bbe\u7f6e\u89c4\u5b9a\u7684\u8bd5\u9a8c\u7535\u5e73 \u3002CDN \u7684 EUT \u7aef \u53e3\u901a\u8fc7 150 0\/ 50 0 \u9002\u914d\u5668\u4ee5\u5171\u6a21\u65b9\u5f0f\u8fde\u63a5\u5230 \u5177\u6709 50 0 \u8f93\u5165\u963b\u6297\u7684\u9891\u8c31\u5206\u6790\u4eea \u3002
\n\u4f7f\u7528 IEC 61000-4-6 :2008 \u56fe 8c \u6240\u793a\u7684\u5e03\u7f6e \uff0c\u8c03\u6574\u8bd5\u9a8c\u4fe1\u53f7\u53d1\u751f\u5668\u4f7f\u5f97\u5728 CDN \u7684 EUT \u7aef\u53e3\u5904\u8fbe \u5230\u8868\u683c\u6761\u6b3e 2 .2 \u6307\u5b9a\u7684\u7535\u5e73 \u3002
\n\u5bf9\u4e8e\u91cd\u590d\u8109\u51b2\u8bd5\u9a8c \uff0c\u5bf9\u6bcf\u4e2a\u8bd5\u9a8c\u7aef\u53e3\u5e94\u65bd\u52a0\u81f3\u5c11 2 min \u7684\u9a9a\u6270\u3002 \u5bf9\u4e8e\u5b64\u7acb\u8109\u51b2\u8bd5\u9a8c \uff0c\u81f3\u5c11\u65bd\u52a0 5 \u4e2a\u5b64\u7acb\u8109\u51b2 \uff0c\u5404\u8109\u51b2\u4e4b\u95f4\u81f3\u5c11\u95f4\u9694 60 s\u3002
\n\u6ce8 2 \uff1a\u4ee5dB\u00b5V \u8868\u793a\u7684\u6d4b \u91cf \u7535\u5e73C M \uff09 \u4e0e\u8868\u683c\u6761\u6b3e 2 .2 \u6216 2 .3 \u4e2d\u7ed9\u51fa\u7684\u4ee5 d B\u00b5V \u8868\u793a\u7684\u8bd5\u9a8c\u7535\u5e73 C T\uff09 \u4e4b\u95f4\u7684\u5173\u7cfb\u5982\u4e0b \uff1a
\nM = T-27.6 dB
\n\u5f0f\u4e2d \uff1a
\n27.6 dB=A 1 +A z +A 3 :
\nA 1 = 9.6 dB 050 D\/ 50 D \u8f6c\u6362\u635f\u8017\uff09 \uff1b
\nA z = 6 dBC \u7535\u52a8\u52bf\u4fee\u6b63 \uff0c\u4fe1\u53f7\u53d1\u751f\u5668\u8f93\u51fa\u4ee5 50 0 \u7aef\u63a5\uff09 \uff1b
\nA 3 = 12 dB \u89c6\u9891\u5e26\u5bbd C VBW \uff09 \u964d\u4f4e\u5f15\u8d77\u7684\u5e73\u5747\u6548\u679c \u3002
\n\u6ce8 3 : xDSL \u7ebf\u8def\u7684\u8bd5\u9a8c\u7535\u5e73\u6e90\u81ea 43 dBm\/ Hz \u7684\u529f\u7387\u9891\u8c31\u5bc6\u5ea6\uff08dBm\/ Hz) ,
\n\u8bd5\u9a8c\u7535\u5e73\uff08 dB\u00b5V) = :YJ \u7387\u9891\u8c31\u5bc6\u5ea6\uff08 dBm \/ Hz) + 150 dB
\n\u5f0f\u4e2d \uff1a
\n150 dB= A1 +A 2 +A 3 ;
\nA 1 = 40 dBClO k Hz \u5e26\u5bbd\u7cfb\u6570\uff09 \uff1b
\nA z = -10 dB\uff08 \u5bf9\u4e8e 100 0 \u963b\u6297 mW \u5230 V \u7684\u8f6c\u6362\uff09 \uff1b
\nA 3 = 120 d B( V \u5230 \u00b5V \u7684\u8f6c\u6362\uff09 \u3002<\/p>\n

5 \u6297\u6270\u5ea6\u8981\u6c42<\/p>\n

\u4f9d\u636e\u8868 1 \u8868 4 \u4ee5\u53ca 4 .1 \u786e\u5b9a\u9002\u7528\u4e8e EUT \u7684\u8bd5\u9a8c\u9879\u76ee \u3002
\n\u8bd5\u9a8c\u8ba1\u5212\u5e94\u8003\u8651\u8868 1 \u8868 4 \u4e2d\u89c4\u5b9a\u7684\u6240\u6709\u8bd5\u9a8c \uff0c\u4f46\u662f \uff0c\u6839\u636e EUT \u7684\u7535\u6c14\u7279\u6027\u548c\u5b9e\u9645\u7528\u9014\u53ef\u4ee5\u786e\u5b9a \u67d0\u4e2a\u6216\u67d0\u4e9b\u8bd5\u9a8c\u662f\u4e0d\u5fc5\u8981\u7684 \uff0c\u5e94\u5c06\u6b64\u51b3\u5b9a\u4ee5\u53ca\u4e0d\u8fdb\u884c\u8fd9\u4e9b\u8bd5\u9a8c\u7684\u7406\u7531\u8bb0\u5f55\u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d \u3002
\n\u7b2c 5 \u7ae0\u4e2d\u5305\u542b\u5982\u4e0b\u8981\u6c42 \u3002
\n\u4e00\u4e00\u5728\u7ed9\u5b9a\u7684\u9891\u7387\u8303\u56f4\u5185 \uff0c\u5982\u8bd5\u9a8c\u7535\u5e73\u7684\u5e45\u5ea6\u662f\u53d8\u5316\u7684 \uff0c\u5219\u5e45\u5ea6\u968f\u9891\u7387\u7684\u5bf9\u6570\u7ebf\u6027\u53d8\u5316 \u3002\u4f8b\u5982 \uff0c\u8868 \u683c\u6761\u6b3e 2 .1 \u4e2d\u89c4\u5b9a\u7684\u8fde\u7eed\u5c04\u9891\u611f\u5e94\u9a9a\u6270\u7535\u5e73\u5982\u56fe 3 \u6240\u793a \u3002
\n\u4e00\u4e00\u5f53\u8bd5\u9a8c\u7535\u5e73\u6709\u9636\u8dc3\u65f6 \uff0c\u5728\u8fc7\u6e21\u9891\u7387\u5904\u5e94\u4f7f\u7528\u8f83\u9ad8\u7684\u7535\u5e73\u503c \u3002
\n\u4ee5\u5f00\u8def\u7535\u538b\uff08 \u77ed\u8def\u7535\u6d41\uff09 T,\/Th \u00b5s \u7684\u5f62\u5f0f\u8868\u793a\u6d6a\u6d8c\u7ec4\u5408\u6ce2\u5f62 \u3002\u4f8b\u5982 1.2\/ 50 ( 8\/ 20) \u00b5s\uff0c\u5176 \u4e2d 1.2\/ 50
\n\u8868\u793a\u5f00\u8def\u7535\u538b \uff0c\uff08 8\/20 \uff09\u8868\u793a\u77ed\u8def\u7535\u6d41 \u3002 \u8bd5\u9a8c\u6761\u4ef6\u4e3a \uff1a
\n\u2022 \u5de5\u4f5c\u7535\u538b\u548c\u9891\u7387\u5e94\u6ee1\u8db3 EUT \u7684\u89c4\u683c \uff1b
\n\u2022 \u4e3a EUT \u6307\u5b9a\u7684\u73af\u5883\u53c2\u6570\uff08\u6e29\u5ea6 \u3001\u6e7f\u5ea6 \u3001\u5927\u6c14\u538b\uff09 \uff1b
\n\u2022 \u76f8\u5173\u57fa\u7840\u6807\u51c6\u4e2d\u89c4\u5b9a\u7684\u73af \u5883\u53c2\u6570\u3002
\n\u6ca1\u6709\u89c4\u5b9a\u989d\u5916\u7684\u73af \u5883\u53c2\u6570 \u3002\u6ca1\u6709\u5fc5\u8981\u5728\u4e00\u7ec4 \u4ee5\u4e0a \u7684\u73af\u5883\u53c2\u6570\u4e0b\u91cd\u590d\u6d4b\u91cf \u3002 \u5728\u8fde\u7eed\u5c04\u9891\u611f\u5e94\u9a9a\u6270\u8bd5\u9a8c\u4e2d \uff0c\u5f53 EUT \u5f69\u8272\u526f\u8f7d\u6ce2\u4e0a\u8c03\u5236\u4e86\u8272\u5ea6\u6216\u7c7b \u4f3c\u4fe1\u53f7\u65f6\uff08\u5982 PAL \u5236\u5168 \u7535\u89c6\u4fe1\u53f7\uff09 \uff0c\u5f69\u8272\u526f\u8f7d\u6ce2\u9891\u7387 \u00b1 1.5 MHz \u5185\u7684\u8bd5\u9a8c\u5e94\u4f7f\u7528\u6027\u80fd\u5224\u636e B\u3002
\n\u4e00\u4e00\u5728\u8fde\u7eed\u5c04\u9891\u9a9a \u6270 \u7684\u6297\u6270\u5ea6\u8bd5\u9a8c \u4e2d\uff0c\u5bf9\u4e8e\u4e3b \u8981\u529f\u80fd\u5305\u62ec\u7535\u8bdd\u529f\u80fd\u7684\u8bbe \u5907 \uff0c\u9644\u52a0\u7684\u70b9\u9891\u8bd5\u9a8c\u662f\u5fc5\u8981 \u7684\u3002\u5728\u8868 H.1 \u4e2d\u89c4\u5b9a\u4e86\u6027\u80fd\u5224\u636e \uff0c\u9644\u52a0 \u7684\u70b9\u9891\u9891\u7387\u5305\u62ec \uff1a
\n\u2022 \u5c04\u9891\u611f\u5e94\u9a9a \u6270\u9891\u70b9\u4e3a \uff1a0 . 2 MHz , 1 MHz \u30017 . 1 M Hz \u300113. 56 MHz \u300121 M Hz \u300127 . 12 MHz \u548c
\n40 .68 MHz \uff0c\u9891\u7387\u8bef \u5dee \u00b1 1% ;
\n\u2022 \u5c04\u9891\u7535 \u78c1\u573a\u9a9a \u6270\u9891\u70b9\u4e3a \uff1a80 MHz \u3001120 MHz \u3001160 MHz \u3001230 MHz \u30014 34 M Hz \u3001460 MHz \u3001
\n600 MHz \u3001700 MHz \u300186 3 MHz \u3001900 MHz \u30011.8 GHz \u30012 .6 GHz \u30013.5 GHz \u30015 GHz \uff0c\u9891\u7387\u8bef\u5dee
\n\u00b1 1% \u3002
\n\u4e00\u4e00\u8fde\u7eed\u5c04\u9891\u7535\u78c1\u573a\u9a9a\u6270\u7684\u6297\u6270\u5ea6\u8bd5 \u9a8c\u4e0d\u9002\u7528\u4e8e\u6ca1\u6709\u540c\u8f74\u5929\u7ebf\u8fde\u63a5\u5668\u7684\u5e7f\u64ad\u63a5\u6536\u8bbe\u5907\uff08 \u89c1\u9644\u5f55 \u5256\uff0c \u4e5f\u4e0d\u9002\u7528\u4e8e\u6ca1\u6709\u5916\u90e8\u7535\u6e90\u6216\u5145\u7535\u529f\u80fd\u7684\u7535\u6c60\u4f9b\u7535\u97f3\u4e50\u64ad\u653e\u5668 \u3002
\n6 \u8bd5\u9a8c\u6587\u6863<\/p>\n

6. 1 \u8bd5\u9a8c\u62a5\u544a<\/p>\n

\u53ef\u4ee5\u5728 ISO\/ IEC 17025 :2005 \u7684 5.10 \u4e2d\u627e\u5230\u7f16\u5199\u8bd5\u9a8c\u62a5\u544a\u7684\u4e00\u822c\u6307\u5357 \u3002\u5e94\u63d0\u4f9b\u8db3\u591f\u7684\u7ec6\u8282 \uff0c\u5305\u62ec \u5408\u9002\u7684\u8bd5\u9a8c\u914d\u7f6e\u7167\u7247\u4ee5\u63d0\u9ad8\u8bd5\u9a8c\u7684\u590d\u73b0\u6027 \u3002
\n\u8bd5\u9a8c\u62a5\u544a\u5e94\u63cf\u8ff0\u4e3a\u4e86\u4fdd\u8bc1 EUT \u5bf9\u672c\u6587\u4ef6\u7684 EMC \u7b26\u5408\u6027\u6240\u91c7\u53d6\u7684\u4efb\u4f55\u7279\u6b8a\u63aa\u65bd \u3002\u4f8b\u5982\u9700\u8981\u4f7f\u7528 \u5c4f\u853d\u6216\u7279\u6b8a\u7535\u7f06 \u3002
\n6.2 \u5236\u9020\u5546\u7ed9\u7528\u6237\u7684\u5efa\u8bae<\/p>\n

\u7528\u6237\u624b\u518c\u5e94\u63cf\u8ff0\u4e3a\u4e86\u4fdd\u8bc1 EUT \u5bf9\u672c\u6587\u4ef6\u7684 EMC \u7b26\u5408\u6027 \uff0c\u7528\u6237\u6216\u5b89\u88c5\u8005\u5e94\u91c7\u53d6\u7684\u4efb\u4f55\u7279\u6b8a\u63aa\u65bd \uff0c \u4f8b\u5982\u9700\u8981\u4f7f\u7528\u5c4f\u853d\u6216\u7279\u6b8a\u7535\u7f06 \u3002<\/p>\n

7 \u8bd5\u9a8c\u914d\u7f6e<\/p>\n

\u672c\u6587\u4ef6\u7684\u76ee\u7684\u662f \uff0c\u5728\u4e0e EUT \u5178\u578b\u5e03\u7f6e\u548c\u4f7f\u7528\u4e00\u81f4\u7684\u60c5\u51b5\u4e0b\u8bc4\u4ef7\u5176\u6297\u6270\u5ea6 \u3002\u5982\u80fd\u8bc1\u660e\u67d0\u4e9b\u5e03\u7f6e\u672a \u5bf9 EUT \u7684\u6027\u80fd\u4ea7\u751f\u663e\u8457\u5f71\u54cd \uff0c\u4f8b\u5982 \u4e3a\u4e86\u51cf\u5c11\u8bd5\u9a8c\u65f6\u95f4 \uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e03 \u7f6e \u3002\u5e94 \u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d\u8bb0\u5f55 EUT \u7684\u5e03\u7f6e\u3002
\n\u5982\u679c\u8bbe\u5907\u662f\u7cfb\u7edf\u7684 \u4e00\u90e8\u5206\u6216\u53ef\u4ee5\u8fde\u63a5\u5230 AE \uff0c\u5219\u8bbe\u5907\u5e94\u5728\u8fde\u63a5\u5fc5\u8981 AE \u5f62\u6210\u6700\u5c0f\u5178\u578b\u5e03\u7f6e\u7684\u60c5\u51b5\u4e0b \u8fd0\u884c\u5176\u4e3b\u8981\u529f\u80fd\u5e76\u8fdb\u884c\u8bd5\u9a8c \u3002
\n\u5f53 EUT \u5177\u6709\u4e00\u7ec4\u76f8\u4f3c\u7aef\u53e3\u6216\u6a21\u5757 \uff0c\u4e14\u901a\u8fc7 \u5de5\u7a0b\u6280\u672f\u8bc4\u4ef7\u53ef\u4ee5\u5224\u65ad\u8fd9\u4e9b\u7aef\u53e3\u6216\u6a21\u5757\u5177\u6709\u76f8\u4f3c\u7684\u6297 \u6270\u5ea6\u7279\u6027 \uff0c\u6700\u5c0f\u5178\u578b\u914d\u7f6e\u53ef\u4ee5\u4f7f\u7528\u4e00\u90e8\u5206\u7aef\u53e3\u6216\u6a21\u5757 \u3002\u5e94\u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d\u660e\u786e\u7aef\u53e3\u6216\u6a21\u5757\u7684\u5178\u578b\u914d\u7f6e \u3002
\n\u6bcf\u79cd\u7c7b\u578b\u7684\u7aef\u53e3\u5e94\u81f3\u5c11\u8fde\u63a5\u4e00\u6839\u7535\u7f06\u5e76\u8fd0\u884c \u3002
\n\u8868 5 \u63cf\u8ff0\u4e86\u9996\u9009\u7684 EUT \u5e03\u7f6e \u3002\u4f7f\u7528\u8868 5 \u7684\u8981\u6c42\u65f6 \uff0c\u4f9d\u636e\u5f15\u7528\u6807\u51c6\u6216\u8bd5\u9a8c\u65b9\u6cd5\u6765\u786e\u5b9a\u53f0\u5f0f\u8bbe\u5907\u7684\u8bd5\u9a8c\u5e03\u7f6e\u662f\u5426\u9700\u8981\u652f\u6491\u53f0 \u3002
\n\u5982\u679c EUT \u89c4\u8303\u6216\u7528\u6237\u4e8e\u518c\u4e2d\u5305\u62ec\u4f7f\u7528\u5916\u90e8\u4fdd\u62a4\u88c5 \u7f6e\u6216\u7279\u6b8a\u7684\u63aa\u65bd\u6765\u5b9e\u73b0 EMC \u7b26\u5408\u6027\u7684\u660e\u786e\u8981 \u6c42\uff08\u5982\u989d\u5916\u7684\u63a5\u5730\uff09 \uff0c\u5219\u8bd5\u9a8c\u5e94\u5728\u4f7f\u7528\u8fd9\u4e9b\u88c5 \u7f6e\u6216\u63aa\u65bd\u4e0b\u8fdb\u884c \u3002
\n\u5982\u679c EUT \u914d\u5907\u6709\u4f9b\u8bd5\u9a8c\u4f7f\u7528\u7684\u7535\u7f06 \uff0c\u5e94\u4f7f\u7528\u8fd9\u4e9b\u7535\u7f06\u8fdb\u884c\u8bd5\u9a8c \u3002\u5982\u679c\u6ca1\u6709\u63d0\u4f9b\u7535\u7f06 \uff0c\u5e94\u4f7f\u7528\u9002\u7528 \u4e8e\u4fe1\u53f7\u4f20\u8f93\u7684\u5408\u9002\u7c7b\u578b\u7684\u7535\u7f06 \uff0c\u5e76\u7b26\u5408\u7528\u6237\u6587\u4ef6\u6216\u4e8e\u518c\u4e2d\u660e\u786e\u89c4\u5b9a\u7684\u4efb\u4f55\u7279\u6b8a\u8981\u6c42 \u3002\u87ba\u65cb\u72b6\u7535\u7f06\uff08 \u5982\u952e \u76d8\u7535\u7f06\uff09 \u5728\u8bd5\u9a8c\u671f\u95f4\u4e0d\u5f97\u6545\u610f\u62c9\u4f38 \u3002\u5bf9\u4e8e\u8fd9\u6837\u7684\u7535\u7f06 \uff0c\u5728\u8868\u6ce8\u4e2d\u89c4\u5b9a\u7684\u957f\u5ea6\u4e3a\u672a\u62c9\u4f38\u7684\u957f\u5ea6 \u3002
\n\u5982\u679c\u9664\u7535\u6e90\u7535\u7f06\u63d0\u4f9b\u7684\u63a5\u5730\u4e4b\u5916\u6709 \u4e00\u4e2a\u72ec\u7acb \u7684\u63a5\u5730 \uff0c\u5219\u5728\u6240\u6709\u8bd5\u9a8c\u671f\u95f4\u8be5\u63a5\u5730\u5e94\u6309\u7167 EUT \u89c4\u8303 \u5b89\u88c5 \u3002
\n\u5177\u6709\u4e13\u7528\u4ea4\u6d41\uff0f\u76f4\u6d41\u7535\u6e90\u8f6c\u6362\u5668\u7684\u8bbe\u5907\u5e94\u4f5c\u4e3a\u4ea4\u6d41\u4f9b\u7535\u8bbe\u5907\u8fdb\u884c\u8bd5\u9a8c \u3002\u5982\u679c\u53ef\u80fd \uff0c\u5e94\u4f7f\u7528\u4e0e EUT
\n\u914d\u5957\u4f7f\u7528\u7684\u7535\u6e90\u8f6c\u6362\u5668 \u3002<\/p>\n

8 \u6027\u80fd\u5224\u636e<\/p>\n

8. 1 \u6982\u8ff0<\/p>\n

\u901a\u7528\u6027\u80fd\u5224\u636e\u5728 8.2 \u30018.3 \u548c 8.4 \u4e2d\u89c4\u5b9a\u3002\u5bf9\u6ca1\u6709\u5728\u9644\u5f55\u4e2d\u7ed9\u51fa\u7684\u4e3b\u8981\u529f\u80fd\u8fdb\u884c\u8bd5\u9a8c\u65f6 \uff0c\u4f7f\u7528\u8fd9\u4e9b\u6027 \u80fd\u5224\u636e \u3002
\n\u5f53\u8bc4\u4ef7\u9a9a\u6270\u5bf9\u67d0\u529f\u80fd\u7684\u5f71\u54cd\u65f6 \uff0c\u5b9c\u8003\u8651\u8be5\u529f\u80fd\u5728\u65bd\u52a0\u9a9a\u6270\u524d\u7684\u6027\u80fd \uff0c\u5e76\u786e\u8ba4\u6027\u80fd\u53d8\u5316\u4ea7\u751f\u7684\u6545\u969c\u4ec5 \u662f\u7531\u9a9a\u6270\u5f15\u8d77\u7684 \u3002<\/p>\n

8.2 \u6027\u80fd\u5224\u636e A<\/p>\n

\u65e0\u9700\u64cd\u4f5c\u4eba\u5458\u4ecb\u4eba \uff0c\u8bbe\u5907\u5e94\u80fd\u6309\u9884\u671f\u6301\u7eed\u8fd0\u884c \u3002\u5f53\u6309\u9884\u671f\u4f7f\u7528\u8bbe\u5907\u65f6 \uff0c\u4e0d\u5e94\u51fa\u73b0\u4f4e\u4e8e\u5236\u9020\u5546\u89c4\u5b9a\u7684 \u6027\u80fd\u6c34\u5e73\u7684\u6027\u80fd\u964d\u4f4e \u3001\u529f\u80fd\u635f\u5931\u6216\u8fd0\u884c\u72b6\u6001\u6539\u53d8\u3002\u53ef\u4ee5\u7528\u5141\u8bb8\u7684\u6027\u80fd\u964d\u4f4e\u6765\u4ee3\u66ff\u6027\u80fd\u6c34\u5e73 \u3002\u5982\u679c\u5236\u9020 \u5546\u6ca1\u6709\u89c4\u5b9a\u6700\u4f4e\u6027\u80fd\u6c34\u5e73\u6216\u5141\u8bb8\u7684\u6027\u80fd\u964d\u4f4e \uff0c\u5219\u53ef\u4ece\u4ea7\u54c1\u8bf4\u660e\u4e66 \u3001\u6280\u672f\u6587\u4ef6\u6216\u4ece\u7528\u6237\u6309\u9884\u671f\u4f7f\u7528\u8bbe\u5907\u65f6 \u7684\u5408\u7406\u8981\u6c42\u5f97\u77e5 \u3002<\/p>\n

8.3 \u6027\u80fd\u5224\u636e B<\/p>\n

\u5728\u65bd\u52a0\u9a9a\u6270\u671f\u95f4 \uff0c\u5141\u8bb8\u6027\u80fd\u964d\u4f4e \u3002\u4f46\u5728\u8bd5\u9a8c\u540e \uff0c\u4e0d\u5e94 \u51fa\u73b0\u5b9e\u9645\u8fd0\u884c\u72b6\u6001\u6216\u5b58\u50a8\u7684\u6570\u636e\u7684\u975e \u9884\u671f \u6539\u53d8 \u3002
\n\u8bd5\u9a8c\u540e \uff0c\u65e0\u9700\u64cd\u4f5c\u4eba\u5458\u4ecb\u4eba \uff0c\u8bbe\u5907\u5e94\u80fd\u6309\u9884\u671f\u6301\u7eed\u8fd0\u884c \uff0c\u5f53\u6309\u9884\u671f\u4f7f\u7528\u8bbe\u5907\u65f6 \uff0c\u4e0d\u5e94\u51fa\u73b0\u4f4e\u4e8e\u5236\u9020\u5546 \u89c4\u5b9a\u7684\u6027\u80fd\u6c34\u5e73\u7684\u6027\u80fd\u964d\u4f4e\u6216\u529f\u80fd\u635f\u5931 \uff0c\u53ef\u4ee5\u7528\u5141\u8bb8\u7684\u6027\u80fd\u964d\u4f4e\u6765\u4ee3\u66ff\u6027\u80fd\u6c34\u5e73 \u3002<\/p>\n

\u5982\u679c\u5236\u9020\u5546\u6ca1\u6709\u89c4\u5b9a\u6700\u4f4e\u6027\u80fd\u6c34\u5e73\uff08 \u6216\u5141\u8bb8\u7684\u6027\u80fd\u964d\u4f4e\uff09 \u6216\u6062\u590d\u65f6\u95f4 \uff0c\u5219\u53ef\u4ece\u4ea7\u54c1\u8bf4\u660e\u4e66 \u3001\u6280\u672f\u6587\u4ef6 \u6216\u4ece\u7528\u6237\u6309\u9884\u671f\u4f7f\u7528\u8bbe\u5907\u65f6\u7684\u5408\u7406\u8981\u6c42\u5f97\u77e5 \u3002<\/p>\n

8.4 \u6027\u80fd\u5224\u636e C<\/p>\n

\u5141\u8bb8\u529f\u80fd\u635f\u5931 \uff0c\u53ea\u8981\u8be5\u529f\u80fd\u53ef \u81ea\u884c\u6062\u590d \uff0c\u6216\u8005\u80fd\u7531\u4f7f\u7528\u8005\u6839\u636e\u5236\u9020\u5546\u7684\u4f7f\u7528\u8bf4\u660e \uff0c\u901a\u8fc7\u64cd\u4f5c\u63a7\u5236\u5668 \u6216\u91cd\u65b0\u542f\u52a8\u4f7f\u5176\u6062\u590d \u3002
\n\u5b58\u50a8\u5728\u975e\u6613\u5931\u6027\u5b58\u50a8\u5668\u5185\u7684\u6216\u7531\u5907\u7528\u7535\u6c60\u4fdd\u62a4\u7684\u4fe1\u606f\u4e0d\u5e94\u4e22\u5931 \u3002<\/p>\n

9 \u6807\u51c6\u7b26\u5408\u6027<\/p>\n

\u6ee1\u8db3\u8868 1 \u8868 4 \u4e2d\u89c4\u5b9a\u7684\u76f8\u5e94\u8981\u6c42\u7684 EUT \u7b26\u5408\u672c\u6587\u4ef6 \u3002\u6ee1 \u8db3 \u8fd9\u4e9b\u8981 \u6c42\u7684 EUT \u88ab\u89c6\u4e3a \u5728\u6574\u4e2a
\nO Hz 400 GHz \u9891\u7387\u8303\u56f4\u5185\u6ee1\u8db3\u8981\u6c42 \u3002\u672a\u7ed9\u51fa\u5177\u4f53\u8981\u6c42\u7684\u9891\u7387\u65e0 \u9700\u8fdb\u884c\u8bd5\u9a8c \u3002
\n\u5bf9\u4e8e\u67d0\u4e00\u8bd5\u9a8c\u9879\u76ee \uff0c\u5982\u679c\u672c\u6587\u4ef6\u63d0\u4f9b\u4e86\u53ef\u9009\u7684\u8bd5\u9a8c\u65b9\u6cd5 \uff0c\u5728\u91c7\u7528\u4e86\u9002\u5f53\u7684\u6027\u80fd\u5224\u636e\u7684\u60c5\u51b5\u4e0b \uff0c\u6bcf\u79cd \u8bd5\u9a8c\u65b9\u6cd5\u5747\u53ef\u8bc1\u660e\u7b26\u5408\u6027 \u3002\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b \uff0c\u5bf9\u4e8e\u9700\u8981\u590d\u6d4b\u6765\u8bc1\u660e \u5176\u7b26\u5408\u672c\u6587\u4ef6\u7684 EUT \uff0c\u9664\u975e\u5236\u9020\u5546\u540c \u610f \uff0c\u5426\u5219\u5e94\u4f7f\u7528\u6700\u521d\u9009 \u62e9\u7684\u8bd5\u9a8c\u65b9\u6cd5 \u3001\u8bbe\u7f6e \u548c\u53c2\u6570\uff08 \u4f8b\u5982 \uff0c\u4f9d\u636e\u9644\u5f55 G \u7684\u53c2\u8003\u7535\u5e73\uff09 \u4ee5\u4fdd\u8bc1\u7ed3\u679c\u7684\u4e00 \u81f4\u6027 \u3002
\n\u5f53 EUT \u7684\u4efb\u4e00\u4e3b\u8981\u529f\u80fd\u65e0\u6cd5\u6ee1\u8db3\u89c4\u5b9a\u7684\u6027\u80fd\u5224\u636e \uff0c\u5219\u8ba4\u4e3a EUT \u4e0d\u7b26\u5408 \u3002\u8fd9\u4e9b\u4e0d\u7b26\u5408\u73b0\u8c61\u53ef\u4ee5 \u662f \u76f4\u63a5\u6216\u95f4\u63a5\u89c2\u5bdf\u5230\u7684 \uff0c\u89c1 4.1 \u3002
\n\u7b26\u5408\u6027\u7684\u786e\u5b9a\u5e94\u4ec5 \u57fa\u4e8e EUT \u7684\u6297\u6270\u5ea6\u6027\u80fd \uff0c\u4e0d\u5e94\u53d7\u5230 AE \u6297\u6270\u5ea6\u4e0d\u8db3\u7684\u5f71\u54cd \u3002 \u540c\u65f6\u3001\u5206\u522b\u6216\u4ee5\u4efb\u610f\u7ec4\u5408\u8fd0\u884c\u5168\u90e8\u4e3b\u8981\u529f\u80fd\u8fdb\u884c\u8bd5\u9a8c \uff0c\u5747\u53ef\u8bc1\u660e EU\u4e01 \u7684\u7b26\u5408\u6027\u3002<\/p>\n

10 \u6d4b\u91cf\u4e0d\u786e\u5b9a\u5ea6<\/p>\n

\u4f7f\u7528\u76f8\u5173\u5f15\u7528\u6807\u51c6\u4e2d\u89c4\u5b9a\u7684\u8bbe\u5907\u548c\u8bbe\u65bd\u8fdb\u884c\u8bd5\u9a8c \u3002\u4e0e\u8bd5\u9a8c\u4eea\u5668\u6821\u51c6\u548c\u8bd5\u9a8c\u7535\u5e73\u6709\u5173\u7684\u4e0d\u786e\u5b9a\u5ea6\u4e0d \u9700\u8981\u8bb0\u5f55\u5728\u8bd5\u9a8c\u62a5\u544a\u4e2d \uff0c\u4e5f\u4e0d\u5e94\u4e88\u4ee5\u8003\u8651 \u3002
\n\u7279\u522b\u662f\u8868 1 \u8868 4 \u4e2d\u89c4\u5b9a\u7684\u8bd5\u9a8c\u53c2\u6570\u4e0d\u5e94\u7531\u4e8e\u8003\u8651\u6d4b \u91cf\u4e0d\u786e\u5b9a\u5ea6\u800c\u66f4\u6539 \u3002<\/p>\n

\n

\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002
\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002
\u63d0\u4f9b\u6b63\u89c4\u589e\u503c\u7a0e\u7535\u5b50\u53d1\u7968\u3002
\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 133-0649-6964\/Email: standardtrans@foxmail.com \u8d2d\u4e70\u5b8c\u6574\u8bd1\u6587\u3002
\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|ChinaAutoRegs \u59cb\u7ec8\u4e13\u6ce8\u4e8e\u6c7d\u8f66\u6807\u51c6\u7ffb\u8bd1\u9886\u57df\uff01\u8fc4\u4eca\u4e3a\u6b62\u5df2\u7ffb\u8bd1\u4e0a\u5343\u4e2a\u56fd\u5185\u5916\u6c7d\u8f66\u6807\u51c6\u6cd5\u89c4\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002
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This document in English is readily available, and delivered immediately upon payment.<\/em>
You may request for sample pages to your preference to verify the quality of translation.<\/em>
Please contact standardtrans@foxmail.com for the complete PDF in English.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

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