ISO 03381-2021.docx
INTERNATIONA1.STANDARDISO3381editionThrd2021-09Rai1.wayapp1.icationsAcoustics一Noisemeasurementinsiderai1.boundvehic1.esApp1.icationsferroviairesAcoustiqueMesuragedubruitinterieurdesvehicu1.esCircu1.antsurrai1.sCOPYRIGHTPROTECTEDDOCUMENT©ISO2021岫rkdea/山thUcdOthcnviscjft<c三orrtmcehDVBiwixuioiti08phnn11UatiocBhr<1.>hotoc<>p)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.oworIS<smemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Pub1.ishedinSwitzerhndContentsforewordvi2Scope13Normativereferences1Termsanddefinitions24Instrumentationandca1.ibration34.1Instrumentation3c4.2Ca1.ibration3Measurementpositions，一.一一.,.45.1DivisionoftheunitintoareasM.2Ma2ia.1*5.1.1Genera1.45.1.3Definitionofareaacousties45.1.4Se1.ectionofareastobeassessed45.2Measurementpositions65.3褐ASUre福盛t1g用脉Qn5.3.2Standingposition5.3.31.yingposition7696.1Genera1.96.2Environmenta1.conditions91.1.1 Afcteieam1.ogicaIenvniirtiuBBt1.1.3 Backgroundsoundpressure1.eve1.106.3 Trackconditions106.4 f41.idec<hU由(is106.4.1 Norma1.operatingconditions106.4.2 Additiona1.operatingconditions116.5 TeStMS节限.一.H6.7 Dataprocessing.11671StandardPIKoCeSSIng.11_：Testingincabswhensoundinganexterna1.warninghorn127.1 Environmenta1.conditions127.1.1 Acoustica1.environment127.1.2 Meteoro1.ogica1.conditions137.1.3 Backgroundsoundpressure1.eve1.7.2 Trackconditions137.3 Vehic1.econditions13T.TeStMeawrt崛.137.6 Dataprocessing147.i1StandardPrOCeS1.ng.1.-.11.1>1.1>1.a.14()ist.ntspeed1.est147.7 1Genera1.148.2 Environmenta1.conditions14148.2.1AM1.1.1.ogica1.enuifi>DDt8.3t2aikoncorundsouQdpressure1.eve1.8.3.1Genera!1515Trackqua1.itysuperstructure168.3.5Rai1.roughnessandtrackdynamicDrooerties168.3.6Specia1.conditions168.4IyqNZP依P、168.4.2Norma1.operatingconditions178.4.3OccuDancvand1.oad17玳帕旦而即dyftKR而ng178.5Measuredquantities188.6Testprocedure1818时4stespeeds8.6.3MeaSUrementtimeinterva1.s88.7Datanrcessin?19I-Ji9Acce1.pratinnfrnmtnnd-ti1.1.fptAnd<1.p<*p1.prtinntn<ctand-<cti1.1.fpt209.1GRnera1.209.2Enrironmenta1.conditions209.2.1AWHietiraIoRica1.enUinta1.i(WHt209.2.3Backgroundsoundpressure1.eve1.219.3T*rackCondit1.OnS21.4a9.4 hjc1.e一一BM“一M1.219.4.1 NorB3operatingconditions229.4.2 Occupancyand1.oad229.5 璘“proc掰b健1tfe5三W俳三.tesI.229.6 Testprocedureforthedece1.erationtest239.7 Maximum1.eve1.method238羽IteUredgf1.miHiS2398Avensged1.eve1.method249.8.1Measuredquantity2410Qua1.ityofthemeasurements2510.1 Deviationsfromtherequirements2510.2 Positiona1.to1.erances2511Testreport25Annex A (informative)Guidanceonthedefinitionandreportingofvehic1.econditions27Annex B (informative)Methodtocharacterizetheimpu1.sivecharacterofthenoise28Annex C (normative)Acoustictrackcharacteristics30Annex D (informative)SpeciHcenvironments34ISO/IECGuide98-3QuantificationofmeasurementuncertaintiesaccordingtoAnnex(informative)37Bib1.iography41ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOtnnhnfaaibwdmiK388MekHPttf1.PbCingbOdyInmCDdtiJMiai5tandrikGSsoWhtd1.ysntImitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare。媵F魄山搬OfISO1.EC(陶曲倚翱Xb如伏龄r#硼解ftH煦物IMMferAccordanceFhtheC山tona1.ru1.esoitheISO/1ECDirectives,Part2(seewww.iso.org/dircctivcs).R«iOnri轲sd隘的nB脚蝴橱脚SnS曲£趣吸R曲做般眈doc1.三棉翩舟硼hsubjectofanypatentrightsidentifiedduringthedeve1.opmentUIe4iewwU-w41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪蝴蜘明瓶ationcon(温世奥限融和he评堂别语树现箱tion池(M(WData½?iso
