{"id":4420,"date":"2023-07-04T11:09:49","date_gmt":"2023-07-04T03:09:49","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=4420"},"modified":"2023-07-04T11:09:49","modified_gmt":"2023-07-04T03:09:49","slug":"gb-t-42576-2023%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e5%8c%97%e6%96%97-%e5%85%a8%e7%90%83%e5%8d%ab%e6%98%9f%e5%af%bc%e8%88%aa%e7%b3%bb%e7%bb%9f%ef%bc%88gnss%ef%bc%89%e9%ab%98%e7%b2%be","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=4420","title":{"rendered":"GB\/T 42576-2023\u82f1\u6587\u7248\u7ffb\u8bd1 \u5317\u6597\/\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08GNSS\uff09\u9ad8\u7cbe\u5ea6\u7247\u4e0a\u7cfb\u7edf\uff08SoC\uff09\u6280\u672f\u8981\u6c42\u53ca\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB\/T 42576-2023\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u5317\u6597\/\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08GNSS\uff09\u9ad8\u7cbe\u5ea6\u7247\u4e0a\u7cfb\u7edf\uff08SoC\uff09\u6280\u672f\u8981\u6c42\u53ca\u6d4b\u8bd5\u65b9\u6cd5\u300b
\nTechnical Requirements and Testing Methods of BDS\/GNSS High Precision System on Chip (SoC)<\/p>\n

<\/p>\n

CONTENTS<\/p>\n

Foreword II
\n1 Scope 1
\n2 Normative References 1
\n3 Terms and Definitions 1
\n4 Symbols and Abbreviations 2
\n4.1 Symbols 2
\n4.2 Abbreviations 3
\n5 Requirements 3
\n5.1 General Requirements 4
\n5.2 Composition 4
\n5.3 Functional Requirements 5
\n5.4 Performance Requirements 6
\n5.5 Electrical Characteristics 9
\n5.6 Environmental Adaptability 9
\n5.7 Environmental Protection Requirements 10
\n6 Test Methods 10
\n6.1 Standard Test Signals and Test Equipment 10
\n6.2 Test Site 10
\n6.3 Function 10
\n6.4 Performance 11
\n6.5 Electrical Characteristics 17
\n6.6 Environmental Adaptability 17
\n6.7 Environmental Protection 18
\nBibliography 19<\/p>\n

1\u8303\u56f4
\n\u672c\u6587\u4ef6\u89c4\u5b9a\u4e86\u5317\u6597\/\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08GNSS)\u9ad8\u7cbe\u5ea6\u7247\u4e0a\u7cfb\u7edf\uff08SoC)(\u4ee5\u4e0b\u7b80\u79f0\u9ad8\u7cbe\u5ea6SoC)\u7684\u4e3b \u8981\u529f\u80fd\u3001\u6027\u80fd\u3001\u7535\u6c14\u7279\u6027\u548c\u73af\u5883\u9002\u5e94\u6027\u7b49\u8981\u6c42\u53ca\u76f8\u5e94\u6d4b\u8bd5\u65b9\u6cd5\u3002
\n\u672c\u6587\u4ef6\u9002\u7528\u4e8e\u9ad8\u7c98\u5ea6SoC\u7684\u7814\u5236\u3001\u68c0\u6d4b\u548c\u5e94\u7528\u3002<\/p>\n

3 \u672f\u8bed\u548c\u5b9a\u4e49
\nG15\/T 39267\u20142020\u754c\u5b9a\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\n3.1
\n\u5b9a\u4f4d positioning
\n\u5229\u5ddd\u6d4bM\u4fe1\u603b\u786e\u572e\u5dde\u6237\u4f4d\u664b\u7684\u8fc7\u7a0b\u548c\u6280\u672f\u3002
\n[\u6765\u6e90\uff1aGB\/T 39267\u20142020,2\u4e042]
\n3.2
\n\u6388\u65f6timing
\n\u4f20\u9012\u6807\u6dee\u65f6\u95f4\u7684\u8fc7\u7a0b\u548c\u6280\u672f\u3002
\n[\u6765\u6e90\uff1aGB\/T 39267\u20142020,2.1.3]
\n3.3
\n\u6355\u83b7\u7075\u654f\u5ea6 acquisition sensitivity
\n\u5ddd\u6237\u8bbe\u6d4e\u5728\u51b7\u542f\u52a8\u6761\u4ef6\u4e0b\uff0c\u6355\u83b7\u5bfc\u822a\u4fe1\u53f7\u5e76\u6b63\u5e38\u5b9a\u4f4d\u6240\u9700\u7684\u4f4e\u4fe1\u53f7\u7535\u5e73\uff0c
\n[\u4f86\u6e90\uff1aGIVT 35)267\u20142020.5\u4e497]
\n3.4
\n\u8ddf\u8e2a\u7075\u654f\u5ea6 tracking sensitivity
\n\u5ddd\u6237\u8bbe\u5907\u4f5c\u6b63\u5e38\u5b9a\u4f4d\u540e\uff0c\u80fd\u591f\u7ee7\u7eed\u4fdd\u6301\u5bf9\u5bfc\u822a\u4fe1\u53f7\u7684\u8ddf\u8e2a\u548c\u5b9a\u4f4d\u6240\u8011\u7684\u6700\u4f4e\u4fe1\u53f7\u7535\u5e73\u3002
\n[\u6765\u6e90\uff1aGB\/T 39267\u20142020\uff0c5.2.8]
\n3.5
\n\u51b7\u542f\u52a8\u9996\u6b21\u5b9a\u4f4d\u65f6\u95f4 cold shirt time to first fix
\nW\u6237\u8bbe\u5907\u5728\u661f\u5386\u3001\u5386\u4e66\u3001\u6982\u7565\u540b\u95f4\u548c\u6982\u7565\u4f4d\u7f6e\u672a\u77e5\u7684\u72b6\u6001\u4e0b\uff0c\u4ece\u5f00\u673a\u5230\u9996\u6b21\u6b62\u5e38\u5b9a\u4f4d\u6240\u9700\u7684\u540b\u95f4\u3002 [\u6765\u6e90\uff1aGB\/T 39267\u20142020,5.5.10,\u6709\u4fee\u6539]
\n3.6
\n\u70ed\u542f\u52a8\u9996\u6b21\u5b9a\u4f4d\u65f6\u95f4 hot start time to first fix
\n\u5ddd\u6237\u8bbe\u5907\u5728\u661f\u5386\u3001\u6982\u7565\u65f6\u95f4\u548c\u6982\u7565\u4f4dS\u6773\u6548\u7684\u72b6\u6001\u4e0b\uff0c\u4ece\u4e0c\u673a\u5230\u9996\u6b21\u6b63\u5e38\u5b9a\u4f4d\u6240\u9700\u7684\u65f6\u95f4\u3002
\n[\u6765\u6e90\uff1aGB\/T 39267 2020,5.5.12,\u5187\u4fee\u6539]
\n3.7
\n\u91cd\u6355\u83b7\u65f6\u95f4 reacquisition time
\n\u5ddd\u6237\u8bbe\u5907\u5728\u63a5\u6536\u7684\u5bfc\u822a\u4fe1\u53f7\u77ed\u65f6\u5931\u9501\u540e\uff0c\u4ece\u4fe1\u53f7\u6062\u91d4\u5230\u91cd\u65b0\u6355\u83b7\u5bfc\u822a\u4fe1\u53f7\u5e76\u6b63\u5e38\u5b9a\u4f4d\u6240\u9700\u7684\u65f6\u95f4\u3002 [\u6765\u6e90\uff1aGB\/T 39267\u20142020\uff0c5.1 \u20221\uff0c\u594b\u4fee\u6539]
\n3.8
\n\u6807\u51c6\u5355\u70b9\u5b9a\u4f4d standard point positioning
\n\u5229Jlj\u5355\u53f0GNSS\u63a5\u6536\u8bbe\u5907\u6d4b\u91cf\u591a\u9897\u5bfc\u822a\u536b\u661f\u4fe1\u53f7\u83b7\u5f97\u4f2a\u8ddd\u89c2\u6d4b\u503c\u53ca\u5e7f\u64ad\u661f\u5386.\u5b9e\u73b0\u5b9a\u4f4d\u7684\u65b9\u5f0f\u3002 [\u4f86\u6e90\uff1aGIVT 39267\u20142020,2.3.21]
\n3.9
\n\u5b9e\u65f6\u52a8\u6001 rea\u535clime kinematic
\n(;NSS\u76f8\u5bf9\u5b9a\u4f4d\u6280\u672f\u7684\u4e00\u79cd\uff0c\u4e3b\u8981\u901a\u8fc7\u57fa\u51c6\u7ad9\u548c\u6d41\u52a8\u7ad9\u4e4b\u95f4\u7684\u5b9e\u65f6\u6570\u636e\u94fe\u8def\u548c\u8f7d\u6ce2\u76f8\u5bf9\u5b9a\u4f4d\u5feb\u901f \u89e3\u7b97\u6280\u6728\uff0c\u5b9e\u73b0\u5368\u7c98\u5ea6\u52a8\u6001\u76f8\u5bf9\u5b9a\u4f4d\u3002
\n[\u6765\u6e90\uff1aGB\/T 39267\u20142020,2.3.38\uff0c\u6709\u4fee\u6539]
\n3.10
\n\u5b9a\u4f4d\u7cbe\u5ea6 positioning iiccuracy
\n\u89c2\u6d4b\u4f4d\u8ff8\u503c\u4e0e\u771f\u5b9e\u4f4d\u7f6e\u4f7e\u4e4b\u5dee\u7684\u7edf\u8ba1\u503c\u3002
\n[\u6765\u6e90\uff1a\uff08;IVT 39267\u20142020.2A23]
\n3.11
\n\u6d4b\u901f\u7cbe\u5ea6 velocity accuracy
\n\u89c2\u6d4b\u7684\u901f\u5ea6\u4e0e\u771f\u5b9e\u901f\u5ea6\u4e4b\u5dee\u7684\u7edf\u8ba1\u503c\u3002
\n[\u6765\u6e90\uff1aGB\/T 39267\u20142020,2.3.24]
\n4\u7b26\u53f7\u548c\u7f29\u7565\u8bed 4.1\u7b26\u53f7
\n\u4e0b\u5217\u7b26\u53f7\u9002\u4e8e\u6728\u6587\u4ef6\u3002
\nB1C:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 575.42 MHz\u3001\u5e26\u5bbd\u4e3a32.736 MHz\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b mi:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 561_098 MHz\u3001\u5e26\u5bbd\u4e3a4.092 MHz\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b B2a:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 176.45 MHz\u3001\u5e26\u5bbd\u4e3a20.46 MHz\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\nB2h:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 207.14 Mlk\u3001\u5e26\u5bbd\u4e3a20.46 MIIz\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\nB2I:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 207.14 MIIz\u3001\u5e26\u5bbd\u4e3a20.4fi MI\u4e28z\u7684\u5bfc\u822a\u4fe1\u53f7;
\nB3I:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 268.52 MHz\u3001\u5e26\u5bbd\u4e3a2(U6 MHz\u7684\u5bfc\u822a\u4fe1 K1:\u6b27\u6d32\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 575.42 MHz\u3001\u5e26\u5bbd\u4e3a24.552 MHz\u7684\u5bfc\u822a\u4fe1\u53f7; E5\u5fc3\u6b27\u6d32\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 176.45 MHz\u3001\u5e26\u5bbd\u4e3a20.46 MHz\u7684\u5bfc\u822a\u4fe1\u53f7; E5b:\u6b27\u6d32\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 207.14 MHz\u3001\u5e26\u5bbd\u4e3a20.46 MHz\u7684\u5bfc\u822a\u4fe1\u53f7; \u30071:\u683c\u6d1b\u7eb3\u65af\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u9891\u7387\u4e3a\uff0816\u30072 + 1^\u72369\/16)\\4}^\uff0c\u3005=\u20147\u301c(5\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\n(;2:\u683c\u6d1b\u7eb3\u65af\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u9891\u7387\u4e3a\uff081 246 + kX7\/lfi)MIIz\uff0c\u3005 = \u2014 7\u301c6\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\nUC:\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 575.42 MHz\u3001\u5e26\u5bbd\u4e3a24.552 MHz\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\nLK7A:\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 575.42 MIIz\u3001\u5e26\u5bbd\u4e3a2.046 MHz\u7684\u5f02\u822a\u4fe1\u53f7;
\nL2C:\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u4e2d\u5fc3\u9891\u7387\u4e3a1 227.6 MHz\u3001\u5e26\u5bbd\u4e3a2.046 MHZ\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\nL2P(Y):\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 227.6 MHz\u3001\u5e26\u5bbd\u4e3a20.46 MHz\u7684\u5bfc\u822a\u4fe1\u53f7\uff1b
\nL5:\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u5c6e\u5fc3\u9891\u7387\u4e3a1 176.45 MHz\u3001\u5e26\u5bbd\u4e3a20.46 MHz\u7684\u5bfc\u822a\u4fe1\u53f7\u3002
\n4.2\u7f29\u7565\u8bed
\n\u4e0b\u5217\u7f29\u7565\u8bed\u9002\u5dde\u4e8e\u672c\u6587\u4ef6\u3002
\nA-GNSS:\u8f85\u52a9 Aided GNSS)
\nBDS:\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08BeiDou Navigation Satellite System)
\nCDM:\u5e26\u7535\u8bbe\u5907\u6a21\u522e\uff08Charged Device Model)
\nGalileo:\u4f3d\u5229\u7565\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08Galileo Navigation Satellite System)
\n(iL( )N ASS:\u683c\u6d4e\u7eb3\u65af\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08(ilol)a\u3011 Navigation Satellite System)
\nGNSS:\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff08Glol)al Navigation Satellite System)
\n\u901aJlj\u8f93\u5165\/\u8f93\u51fa\u53e3\uff08\uff08ieneral Purpose Inpul Output)
\nCU)S:\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\uff08Glol)al Positioning System)
\nHliM:\u4eba\u4f53\u6a21\u94bd\uff08Human Bex\u4e28y Model)
\nHI)()\u4e28\uff09\uff1a\u6c34\u5e73\u7cbe\u5ea6\u56e0\u5b50\uff08Horizontal Dilution ofPrecision)
\nIMU:\u60ef\u7272\u6d4b irt \u4e28If1\u2022\u5143\uff08Inertial Measurement Unit)
\nI2C\u2019 \uff1a\u53cc\u5411\u4e8c\u7ebf\u5236\u540c\u6b65\u4e32\u884c\u603b\u7ebf\uff08Inier-lntegratccJ Circuit)
\nJEDEC:\u56fa\u6001\u6280\u672f\u534f\u4f1a\uff08joint Electron Device Engineering Council) iVIHMS:\u5fae\u673a\u7535\u7cfb\u7edf\uff08Micro-Hlectro-Mechanical System)
\nPI)OP:\u4f4dS\u68a2\u5ea6\u56e0\u5b50\uff08Position Dilution of Precision)
\n\u7cbe\u5bc6\u4e2d\u70b9\u5b9a\u4f4d\uff08Precis Point Positioning)
\nPPP-RTK:\u7cbe\u5bc6\u5355\u70b9\u5b9e\u65f6\u52a8\u6001\u5b9a\u4f4d\uff08Precise Point Positioning Real Time Kinematic)
\nITS:\u79d2\u8109\u51b2\uff08Pulse Per Second)
\nRMS:\u5747\u65b9\u6839\uff08Root Mean Square)
\nR I D:\u5b9e\u65f6\u5dee\u5206\uff08Rea\u535cTime Diffcruniial)
\nRTK:\u5b9e\u65f6\u52a8\u6001\uff08Rea\u535cTime Kinematic)
\nSBAS:\u661f\u57fa\u589e\u5f3a\u7cfb\u7edf\uff08SaiellherBased Augmentation System)
\nS()C:\u7247\u4e28:\u7cfb\u7edf\uff08System on Chip)
\nSPI:\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff08Serial Peripheral Interface)
\nUART:\u901a\u7528\u5144\u6b65\u6536\u53d1\u4f20\u8f93\u5668\uff08Universal Asynchronous RcceivcT Transmitter)
\n5\u8981\u6c42
\n5.1 \u4e00\u822c\u8981\u6c42
\n\u5368\u7c98\u5ea6\u4f9b\u5e94\u5546\u5e94\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684\u6570\u636e\u5305\u2022\u6570\u6910\u5305\u5e94\u5305\u542b\u7528\u6237\u5728\u8bbe\u4e28\u535c\u3001\u91c7\u8d2d\u3001\u5236\u9020\u548c\u6d4b\u8bd5\u5404\u4e2a\u9636 \u6bb5\u6240\u8011\u7684\u82af\u7247\u5668\u4ef6\u7684\u4fe1\u606f\u603b\u96c6\uff0c\u5177\u4f53\u8981\u6c42\u89c1GB\/T 35010.1 \u2014 2018\u7684\u7b2c6\u7ae0\u301c\u7b2c12\u7ae0\u3002
\n5.2 \u7ec4\u6210
\n\u9ad8\u6841\u5ea6\u7531\u82e5\u5e72\u529f\u80fd\u5355\u5143\u7e9fH\u6210\uff0c\u4e00\u822c\u5305\u62ec\uff1a
\na)\u5c04\u9891\u5355\u5143:\u5c06\u63a5\u6536\u5230\u7684\u536b\u661f\u5bfc\u822a\u4fe1\u53f7\u8f6c\u6362\u6210\u4e2d\u9891\u4fe1\u53f7\uff0c\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u6ee4\u6ce2\u548c\u653e\u5927\uff1b
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