GB/T 18699.2-2002声学　隔声罩的隔声性能测定　第2部分：现场测量(验收和验证用).pdf

17.140.01 zICS32 中 华 人 民 共 和 国 国 家 标 准 GB/T 18699.2-2002 eqvISO11546-2:1995 声学 隔声罩的隔声性能测定 第2部分:现场测量 (验收和验证用) Acoustics-Determinationofsoundinsulation performancesofenclosures -Part2:Measurementsinsitu (foracceptanceandverificationpurposes) 2002一03一26发布 2002门2一01实施 中 华 人 民 共 和 国 发 布 国家质量监督检验检疫总局 GB/T18699.2-2002 目 次 前言 ····。···············。·，·······价···············。·。···‘·······················。··，····················。。··… 1 ISO前言 ······，····， ·，·············· ···，·····*··，·。··········二··，····。·，·····1，····，····4·， N 1 范围 ············，‘ ·，，····，·········· · ·，·········‘···“·， ····，·，，·········‘··一 I 2 引用标准 ··，········· ···，“····，，·············，，·········‘········二··” ····，·····，······… … 1 3 定义 ·························。·················。····················································，，······…… 2 4 测量仪器 ·········································。········。。····················。，·。·····························…… 3 5 测量方法的选用 ·······。·······················，··。····························。。。········，··············，。·一· 3 6 实际声源法(用实际声源测试隔声罩的方法) ··············，·····································“二 4 7不用实际声源测试隔声里的方法 ······二··‘···········，·········”···!···，·…’·’一 ”·’”“ 5 8 测量不确定度 t“···，“···.，，········ ·， ···，··，··，··，··，···················*·，‘，····…… 6 9 记录和报告 ·······”·.·，················”····· ···.·，··，，·····.，····‘··。·。········，··‘····· ·，… 7 附录A(标准的附录)人工声源 ·一 “·二‘·‘…·””’…二‘9 附录B(提示的附录)人S:声源频谱一例 ·，·················、·、········”·······‘，，一 ’·’…‘ ’二’“10 附录C(提示的附录) 评价现场测量所用的不同测试环境的适用性的指南 ········.·，、··········…… 10 附录D(提示的附录) 对特定的噪声频谱估算隔声罩的隔声值 ·····“·······一· 12 GB/T 1