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ASTM E1780-2004 附近固定声源的户外声音接收性测量标准指南

作者:标准资料网 时间:2024-05-30 01:58:02  浏览:9019   来源:标准资料网
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【英文标准名称】:StandardGuideforMeasuringOutdoorSoundReceivedfromaNearbyFixedSource
【原文标准名称】:附近固定声源的户外声音接收性测量标准指南
【标准号】:ASTME1780-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E33.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:导向装置;声学;外部噪声;旋笛;声传输;泵;声源;噪声测量
【英文主题词】:communitynoise;fixedsoundsource;outdoorsound;soundmeasurement;soundsurvey
【摘要】:Situationsforwhichoutdoorsoundleveldataarerequiredinclude,butarenotlimitedto,comparisonofsoundlevelswithcriteriaorregulatorylimits.Thisguideprovidesinformationto(1)measureoutdoorsoundlevelinthevicinityofoutdoorfixednoisesources,and(2)documentotherobservationsnecessaryforthemeasurements.Thisguideprovidesastandardprocedureforatrainedacousticalprofessionalthatwillproduceresultsanddocumentationwhichareconsistentwiththepurposescitedin1.1.1-1.1.5.Thesesoundmeasurementsshouldbeperformedbyorunderthedirectionofapersonexperiencedinthemeasurementandanalysisofoutdoorsound,andwhoisfamiliarwiththeuseoftherequiredequipmentandtechniques.Thisguidecanbeusedbyindividuals,regulatoryagencies,orothersasameasurementguidetocollectdataonthesoundlevelreceivedfromafixedsourcewithintheconstraintscitedin8.1andAppendixX2.Thisguidecanbeusedtoestablishcomplianceornoncomplianceatthetime,distance,andconditionsduringwhichthedatawereobtained.However,thisguideisonlyameasurementprocedureanddoesnotaddresstheproblemofprojectingtheacquireddataoutsidethoseconditions,othertimesofday,otherdistances,orcomparisonwithspecificcriteria.Inparticular,foragivensoundsourcelevel,distantnoiselevelswilloftenbefoundtobegreateratnightthanduringtheday.1.1Thisguidecoversthemeasurementofoutdoorsoundduetoafixedsoundsourcesuchasasiren,stationarypump,powerplant,ormusicamphitheater.Procedurescharacterizethelocation,soundlevel,spectralcontent,andtemporalcharacteristicsofthatsoundsourceatthetimeofmeasurement.Usersshouldbeawarethatwindandtemperaturegradientscancausesignificantvariationsinsoundlevelsbeyond300m(1000ft).Withappropriatecaution,theuseofmeasurementsresultingfromthisguideincludebutarenotlimitedto:1.1.1Assessingcompliancewithapplicableregulations,1.1.2Monitoringtheeffectivenessofanoisereductionplan,1.1.3Verifyingtheeffectivenessofmeasuresformitigationofnoiseimpact,1.1.4Validatingsoundpredictionmodels,and1.1.5Obtainingsourcedataforuseinsoundpredictionmodels.1.2ThisguidemaybeusedaccordingtoGuideE1779andspecifiedinthemeasurementplan.1.2.1Thisguidecanalsobeusedtoconductmeasurementswithoutaplanprovidedanoperator/observerwhosequalificationsaresatisfactorytoboththeperformingorganizationandtheuseroftheresultsispresentatalltimesduringthemeasurementsandwhocomplieswiththeapplicablerequirementsofthisguide,includingrecordkeeping.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:


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【英文标准名称】:Productioninopticalengineering;lensblockholderswithoutsidefitting
【原文标准名称】:光学工程的生产.带外装配件的透镜片夹具
【标准号】:DIN58761-1987
【标准状态】:现行
【国别】:德国
【发布日期】:1987-10
【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】:工件夹持装置;钻模;光学加工;夹持装置;尺寸;光学;光学仪器;材料;设计;透镜支承座;生产
【英文主题词】:jigs;dimensions;holdingdevices;opticalinstruments;productioninopticalengineering;materials;design;work-holdingdevices;lensblockholders;optics;production
【摘要】:Thisstandardcontainslensblockholderswithoutsidefittingtobeusedinproductioninopticalengineeringpredominantlyformanufacturingofopticallenses.
【中国标准分类号】:J59
【国际标准分类号】:7075
【页数】:6P;A4
【正文语种】:德语



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