GB/T 19887-2005声学 可移动屏障声衰减的现场测量.pdf

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GB/T 19887-2005声学 可移动屏障声衰减的现场测量.pdf

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ICS 17.140.01 Z 32 中 华 人 民 共 和 国 国 家 标 准 GB/T 19887-2005/ISO 11821:1997 声学 可移动屏障声衰减的现场测量 Acoustics- Measurementoftheinsitu soundattenuation ofaremovablescreen (ISO11821:1997,IDT) 2005-09-09发布 2006-04-01实施 中华人民共和国国家质量监督检验检疫总局 发 布 中 国 国家 标 准 化 管 理 委 员 会 GB/T 19887-2005/ISO 11821:1997 目 次 前言 ·········································,·······································································,…… 皿 引言 ···························································,··················································,··…… IV 1 范围 ··,·················································································,··························…… 1 2 规范性引用文件 ················································,·············‘·.··················.·…… 1 3 术语和定义 ······································································································…… 1 4 测量仪器 .······························,····…… 2 5 现场声衰减的测定 ····················································……,···············.·……,.… 3 6 测量不确定度 ······················································································……,,,,.…,·.二6 7 记录内容 ·····································,··································································…… 7 8 报告内容 ··················································································,·········,···········…… 7 参考 文献 ··············································,································································…… 9 GB/T 19887-2005/ISO 11821:1997 月U 吕 本标准等同采用ISO11821;1997《声学 可移动屏障声衰减的现场测量》。 本标准

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