Product Code:SAE J377
Title:Vehicular Traffic Sound Signaling Devices (Horns)
Issuing Committee:Sound Signaling (Horn) Standards Committee
Scope:This SAE Standard establishes the minimum operational life cycles, environmental requirements, and sound level output for traffic horns (electric) on new automotive vehicles. Test equipment, environment, and procedures are specified.【英文标准名称】:Acoustics-Preferredfrequencies
【原文标准名称】:声学优选频率
【标准号】:ISO266-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声学测量;定义;测量;电气工程;标准化参数;标准频率;电声学;振动工程;电声效应;优先数;频率;声学
【英文主题词】:Acousticmeasurement;Acoustics;Acoustoelectriceffects;Definitions;Electricalengineering;Electroacoustics;Frequencies;Measurement;Preferrednumbers;Standardfrequencies;Standardizedparameters;Vibrationengineering
【摘要】:ThisInternationalStandardspecifiespreferredfrequenciesforacousticalmeasurements.ThepreferredfrequenciesarebasedontheR10seriesofpreferrednumbersinISO3andthereferencefrequencyof1000Hz.Formostacousticalmeasurementsandpresentationsofdata,afrequencyspacingbasedonaconstantpercentageincrementisgenerallypreferredandthetestfrequenciesthenformageometricseries.Forcertainacousticalmeasurements,aconstantfrequencyincrementisasuitablespacing.TheInternationalStandarddealswiththegeometricseriesandisnotintendedtoapplytocaseswhereaconstantfrequencyincrement,orotherparticularspacing,wouldbemoresuitable,orwheretheremaybegoodreasonsfortheadoptionorretentionofotherfrequencies.ThisInternationalStandarddoesnotdealwith:—frequenciesformusic;—allaudiometricfrequencies;—seriesotherthanR10fromISO3.
【中国标准分类号】:A59
【国际标准分类号】:17_140_01
【页数】:3P.;A4
【正文语种】:英语