标准规范文件：ISO 3746-2010.pdf

《标准规范文件：ISO 3746-2010.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、INTERNATIONALISOSTANDARD3746Thirdedition2010-12-01Acoustics—Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure—SurveymethodusinganenvelopingmeasurementsurfaceoverareflectingplaneAcoustique—Déterminationdesniveauxdepuissance

2、acoustiqueetdesniveauxd'énergieacoustiqueémisparlessourcesdebruitàpartirdelapressionacoustique—Méthodedecontrôleemployantunesurfacedemesureenveloppanteau-dessusd'unplanréfléchissantReferencenumberISO3746:2010(E)©ISO2010ISO3746:2010(E)PDFdisclaimerThisPDFfi

3、lemaycontainembeddedtypefaces.InaccordancewithAdobe'slicensingpolicy,thisfilemaybeprintedorviewedbutshallnotbeeditedunlessthetypefaceswhichareembeddedarelicensedtoandinstalledonthecomputerperformingtheediting.Indownloadingthisfile,partiesacceptthereinthere

4、sponsibilityofnotinfringingAdobe'slicensingpolicy.TheISOCentralSecretariatacceptsnoliabilityinthisarea.AdobeisatrademarkofAdobeSystemsIncorporated.DetailsofthesoftwareproductsusedtocreatethisPDFfilecanbefoundintheGeneralInforelativetothefile;thePDF-creatio

5、nparameterswereoptimizedforprinting.EverycarehasbeentakentoensurethatthefileissuitableforusebyISOmemberbodies.Intheunlikelyeventthataproblemrelatingtoitisfound,pleaseinformtheCentralSecretariatattheaddressgivenbelow.COPYRIGHTPROTECTEDDOCUMENT©ISO2010Allrig

6、htsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smemberbodyinthecountryofthere

7、quester.ISOcopyrightofficeCasepostale56•CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.orgWebwww.iso.orgPublishedinSwitzerlandii©ISO2010–AllrightsreservedISO3746:2010(E)ContentsPageForeword................................................

8、............................................................................................................ivIntroduction......................................................................................