GB/T 5266-2006声学　水声材料纵波声速和衰减系数的测量　脉冲管法.pdf

ICS 17.140 A 59 中 华 人 民 共 和 国 国 家 标 准 GB/T5266一2006 代替GB/T5266一1985 声学 水声材料纵波声速和衰减系数的 测量 脉冲管法 Acoustics一Measurementsofthelongitudinalwavevelocityandattenuation coefficientofrunderwateracousticalmateriaIs一Pulsetubemethod 2006一05一08发布 2006一11一01实施 中华人民共和国国家质量监督检验检疫总局 中国国家标 准化 管理委 员会 发 布 GB/T5266一2006 目 次 前言 ··········，，···························，，·」」」·····，·····」··········，···」·，·，·····4···················，…·… m 1 范围 ···，，··，、· ···，，，，，·······，，，··‘·1 ，，，，，··【···，，·，··，··1···，，，，，·‘·········，···、、····，… 1 2规范性引用文件 ···················，··········································，，···········，··············…·… 1 3 术语和定义 ···············，··············，·····················，····，··········，，，·············，···········，， 1 4符号和缩略语 ·······，·····，，··‘······，···，·········，···，·‘·····，，，··，，··········，，，，，········，·····‘·······一· 1 5 测量原理 ····，····································，，·········。········，······································……2 5.1复反射系数的测量 ···，··············」···········，··············，···········，·····-··················一· 2 5，2 试样输人阻抗及其与复反射系数的关系 ，··，，·，1·1111··，·，，，·1‘111·，，，，，，·1‘··，?·，，，、····，，··，，，二 2 5.3纵波声速和衰减系数的计算 ···················，············，·················，·········，····，········一· “3 5.4 测量频率范围 ···································，··············，·······················，·············一· 3 G 测量装置及试样 ‘·，，，·，，····1·‘·，，，，，，··1···‘，·，，，，·11·‘·，·，·····················，·，·1‘·，·，一4 6.1 测量装置组成 ·····，·····，，，，，·········，····· ···，，，，·1······，·，。········，，，···········一 4 6.2标准反射体要求 ······4······························，·······················································一·