SAE J2933 Verification of Brake Rotor Modal Frequencies
作者:标准资料网 时间:2024-05-19 21:59:54 浏览:9384
来源:标准资料网
Product Code:SAE J2933
Title:Verification of Brake Rotor Modal Frequencies
Issuing Committee:Brake Nvh Standards Committee
Scope:Provide description of standard test methods, analysis methods, and reporting methods for measuring the resonant modes of automotive disc brake rotors and drums for purpose of design and production verification of these components.
【英文标准名称】:Electroacoustics-Soundcalibrators
【原文标准名称】:电声学.音响校准器
【标准号】:BSEN60942-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-07-10
【实施或试行日期】:2003-07-10
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电声器件;电声学;环境条件;测量仪器;声级;音响校准器;畸变系数;声压级;操作说明书;电气工程;声学测量;规范(验收);极限偏差;声发生器;信号失真;频率;声学;声级表;作标记;声学设备;定义
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiestheperformancerequirementsforthreeclassesofsoundcalibrator:laboratorystandard(classLS),class1andclass2.TolerancelimitsaresmallestforclassLSandgreatestforclass2instruments.ClassLSsoundcalibratorsarenormallyusedonlyinthelaboratory;class1andclass2areconsideredassoundcalibratorsforfielduse.Aclass1soundcalibratorisprimarilyintendedforusewithaclass1soundlevelmeterandaclass2soundcalibratorprimarilywithaclass2soundlevelmeter,asspecifiedinIEC61672-1.ThetolerancelimitsforclassLSsoundcalibratorsarebasedontheuseofalaboratorystandardmicrophone,asspecifiedinIEC61094-1,fordemonstrationsofconformancetotherequirementsofthisstandard.Thetolerancelimitsforclass1andclass2soundcalibratorsarebasedontheuseofaworkingstandardmicrophone,asspecifiedinIEC61094-4,fordemonstrationsofconformancetotherequirementsofthisstandard.Amulti-levelandmulti-frequencysoundcalibratorhasthesameclassdesignationforallsoundpressurelevelandfrequencycombinationsforwhichtheinstructionmanualstatesthattheinstrumentconformstotherequirementsofthisstandard.Thisstandarddoesnotincluderequirementsforequivalentfree-fieldorrandom-incidencesoundpressurelevels,suchasmaybeusedintheoverallsensitivityadjustmentofasoundlevelmeter.Asoundcalibratormayprovideotherfunctions,forexample,tonebursts.Requirementsfortheseotherfunctionsarenotincludedinthisstandard.
【中国标准分类号】:L31
【国际标准分类号】:17_140_50
【页数】:94P;A4
【正文语种】:英语
【英文标准名称】:Powerconvertors;terminalmarkingsforpowerconvertorassembliesandequipment
【原文标准名称】:功率变换器.功率变换器组件与设备的引线标志
【标准号】:DINV42403-1986
【标准状态】:作废
【国别】:德国
【发布日期】:1986-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:marking;electricalengineering;definitions;electricterminals;electricconvertors;connections;powerconvertors
【摘要】:
【中国标准分类号】:K41
【国际标准分类号】:
【页数】:4P;A4
【正文语种】:德语
