GBT6881.3-2002-声学声压法测定噪声源声功率级混响场中小型可移动声源工程法第2部分：专用混响测试室法.pdf

《GBT6881.3-2002-声学声压法测定噪声源声功率级混响场中小型可移动声源工程法第2部分：专用混响测试室法.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ICS17.140.01z32中华人民共和国国家标准Gs/T6881.3-2002idtISO3743-2:1994声学声压法测定噪声源声功率级混响场中小型可移动声源工程法第2部分:专用混响测试室法Acoustics-Determinationofsoundpowerlevelsofnoisesources-usingsoundpressure-Engineeringmethodsforsmallmovablesourcesinreverberantfield-Part2:Methodsforspecialreverberationtestrooms2002一03一26发布2002一12

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/T68813-2002目次前言···········································································································⋯⋯BISO前言······························，······························，.····································⋯⋯N0引言·································

3、····································································.⋯⋯11范围···················。···········”·········································································一22引用标准··························································。············.····⋯⋯“。···········⋯⋯33定义·············

4、··························································································⋯⋯44专用混响室要求·······。············································。··················。·················。⋯45仪器·································································，·····.····.····.···············⋯⋯66

5、被测声源的安装和运行·············································································.·.⋯⋯67测试室中的测量··························································································⋯⋯78声功率级计算·...............................................................................................

6、..109记录内容·.....................................................................................············⋯⋯1010报告内容··。·········。····························································。······················⋯⋯11附录A(标准的附录)标准声源的特性和校准········。·····································.·········⋯⋯12

7、附录B(提示的附录)专用混响测试室的设计导则···，···，··········································⋯⋯12附录C(提示的附录)适用的仪器系统的例子。························································⋯⋯16附录D(提示的附录)参考资料···············································