{"id":4831,"date":"2023-12-07T15:24:04","date_gmt":"2023-12-07T07:24:04","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=4831"},"modified":"2024-08-04T08:10:09","modified_gmt":"2024-08-04T00:10:09","slug":"gb-t-20787-2023%e8%8b%b1%e6%96%87%e7%89%88%e8%af%91%e6%9c%ac%e3%80%8a%e5%be%80%e5%a4%8d%e5%bc%8f%e5%86%85%e7%87%83%e6%9c%ba-%e7%bb%93%e6%9e%84%e5%99%aa%e5%a3%b0%e6%b5%8b%e9%87%8f%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=4831","title":{"rendered":"GB\/T 20787-2023\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u5f80\u590d\u5f0f\u5185\u71c3\u673a \u7ed3\u6784\u566a\u58f0\u6d4b\u91cf\u65b9\u6cd5\u300b"},"content":{"rendered":"<div>ChinaAutoRegs\uff5cGB\/T 20787-2023\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u5f80\u590d\u5f0f\u5185\u71c3\u673a \u7ed3\u6784\u566a\u58f0\u6d4b\u91cf\u65b9\u6cd5\u300b<\/div>\n<div>Reciprocating Internal Combustion Engines\u2014Measurement Method for Structure-Borne Noise<\/div>\n<div><\/div>\n<p><!--more--><\/p>\n<div><a href=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-\u82f1\u6587\u7248\u7ffb\u8bd1\uff08\u6837\u9875\u9884\u89c8\uff09-1.pdf\">GBT 20787-2023 \u82f1\u6587\u7248\u7ffb\u8bd1\uff08\u6837\u9875\u9884\u89c8\uff09<\/a><\/div>\n<div><\/div>\n<div>Foreword<\/div>\n<div>Introduction<\/div>\n<div>1 Scope<\/div>\n<div>2 Normative References<\/div>\n<div>3 Terms and Definitions<\/div>\n<div>4 Measurement Environment<\/div>\n<div>5 Measuring Instruments<\/div>\n<div>6 Installation and Operation Conditions<\/div>\n<div>7 Acceleration Measurement<\/div>\n<div>8 Calculation<\/div>\n<div>9 Information to be Recorded<\/div>\n<div>10 Report<\/div>\n<div>Annex A (Normative) Other connections between the engine and the test surroundings<\/div>\n<div>Annex B (Normative) Corrections to the height of sensor contact plane<\/div>\n<div>Annex C (Normative) Determination of the test frequency range<\/div>\n<div>Annex D (Informative) Measurement Record<\/div>\n<div>Bibliography 17<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4832\" src=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG1.png\" alt=\"\" width=\"678\" height=\"900\" srcset=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG1.png 678w, https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG1-226x300.png 226w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-4833\" src=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG2.png\" alt=\"\" width=\"677\" height=\"894\" srcset=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG2.png 677w, https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG2-227x300.png 227w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-4834\" src=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG3.png\" alt=\"\" width=\"679\" height=\"899\" srcset=\"https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG3.png 679w, https:\/\/www.chinaautoregs.com\/wp-content\/uploads\/2023\/12\/GBT-20787-2023-ENG3-227x300.png 227w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/div>\n<div><\/div>\n<div><\/div>\n<div>\n<hr \/>\n<p>\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<br data-filtered=\"filtered\" \/>\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<br data-filtered=\"filtered\" \/>\u63d0\u4f9b\u6b63\u89c4\u589e\u503c\u7a0e\u7535\u5b50\u53d1\u7968\u3002<br data-filtered=\"filtered\" \/>\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 13306496964\/Email: standardtrans@foxmail.com \u83b7\u53d6\u5b8c\u6574\u8bd1\u6587\u3002<br data-filtered=\"filtered\" \/>\u672c\u82f1\u6587\u8bd1\u672c\u4e3a\u4e13\u4e1a\u7cbe\u7ffb\u7248\u672c\uff0c\u4fdd\u8bc1\u8bed\u6cd5\u672f\u8bed\u51c6\u786e\u7387\u548c\u4e13\u4e1a\u5ea6\uff0c\u4e13\u4e3a\u6c7d\u8f66\u884c\u4e1a\u4e13\u5bb6\u6253\u9020\uff01<br data-filtered=\"filtered\" \/>\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<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ChinaAutoRegs\uff5cGB\/T 20787-2023\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u5f80\u590d\u5f0f\u5185\u71c3 &hellip; <a href=\"https:\/\/www.chinaautoregs.com\/?p=4831\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[815,29,30,17,845,760,10,178,897,7,724,797,795,18,796,14],"class_list":["post-4831","post","type-post","status-publish","format-standard","hentry","category-i","tag-cav","tag-cnca","tag-cqc","tag-gb-english","tag-gb-t-20787-2023","tag-gb-t2023","tag-gb-t","tag-gbt-20787-2023","tag-gb","tag-hj-t","tag-jt-t","tag-qc-t","tag-796","tag-14"],"views":913,"_links":{"self":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/4831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4831"}],"version-history":[{"count":5,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/4831\/revisions"}],"predecessor-version":[{"id":5380,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/4831\/revisions\/5380"}],"wp:attachment":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}