您的位置: 标准下载 » 国际标准 » EN 欧洲标准 »

EN ISO 9614-3-2002 声学.利用声音强度测定噪声源声功率级.第3部分:精确扫描测量法

时间:2024-05-18 21:52:26 来源: 标准资料网 作者:标准资料网 阅读:9199
下载地址: 点击此处下载
【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesourcesusingsoundintensity-Part3:Precisionmethodformeasurementbyscanning(ISO9614-3:2002);GermanversionENISO9614-3:2002
【原文标准名称】:声学.利用声音强度测定噪声源声功率级.第3部分:精确扫描测量法
【标准号】:ENISO9614-3-2002
【标准状态】:现行
【国别】:
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学试验;机器;声学;声强;定义;方法;噪声辐射;声功率;声源;扫描器;噪声源;扫描;连续的;噪声测量;噪声;测量;测定;特性;声学测量;声级
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Continuous;Definition;Definitions;Determination;Machines;Measurement;Methods;Noise;Noiseemissions;Noisemeasurements;Noisesources;Properties;Scanners;Scanning;Soundintensity;Soundlevel;Soundpower;Soundsources
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:47P.;A4
【正文语种】:英语


【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Fibreopticconnectorinterfaces-TypeSC-RJconnectorfamily
【原文标准名称】:光纤互连装置和无源元件.光纤连接器接口.SC-RJ型连接器族
【标准号】:BSEN61754-24-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-02-28
【实施或试行日期】:2010-02-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:适配器;连接工艺;连接器元件;插接件连接;连接器;尺寸;电插头;电气工程;纤维光学;光波导;插入式端接件;插头;类型
【英文主题词】:Adapters;Connectiontechnology;Connectorelements;Connectoredjoints;Connectors;Dimensions;Electricplugs;Electricalengineering;Fibreoptics;Opticalwaveguides;Plug-intermination;Plugs;Types
【摘要】:ThispartofIEC61754definesthestandardinterfacedimensionsforthetypeSC-RJfamilyofconnectors.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:32P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-JPSearch-Part1:Systemframeworkandcomponents
【原文标准名称】:信息技术.日本研究.第1部分:系统框架和元数据
【标准号】:ISO/IECTR24800-1-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12
【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/IECJTC1/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:编码(程序设计);数据格式;数据挖掘;数据处理;数据存储;定义;图形数据处理;图像文件;系统映射;图像;信息处理;情报检索;信息技术;联合图像专家组;绘制地图;元数据;图象描述信息;研究;检索;静止图象
【英文主题词】:Coding(programming);Dataformats;Datamining;Dataprocessing;Datastorage;Definition;Definitions;Graphicdataprocessing;Imagefiles;Imagesystems;Images;Informationprocessing;Informationretrieval;Informationtechnology;JPEG;Mapping;Metadata;Picturedescriptioninformation;Research;Retrieval;Stillpictures
【摘要】:1.1InteroperableImageSearchandRetrievalThisTechnicalReportspecifiestwothings.Thefirstisaframeworkforinteroperabilityforstillimagesearchandretrieval.Thesecondidentifiesanarchitectureandthecomponentsinthisframework,thelinkagesbetweencomponents,andwhichofthesecomponentsandlinksaretobestandardizedinJPSearch.Theimagesearchandretrievalframeworkwillbedeterminedbyrealusecases(tasks)andwillleverageonlessonslearntinthelonghistoryoftextretrievalwhere,forexample,differentusersissuingthesamequerymaybelookingfor(very)differentresults.Thisisimportantbecauseitmeansthattheframeworkmustbegeneralenoughtosupportmanypossibleapproachestoimageretrieval,e.g.,fromusingonlylow-levelimagefeatures,totextannotations,tocommunityinput,oramixtureofsuchapproaches.Fromtheframeworkandcomponents,andthelinkagesandflowofdatabetweenthem,thepartsofJPSearchthatneedtobestandardizedcanbedetermined.1.2MotivationTherearemanyapplicationsthatprovideimagesearchandretrievalfunctionalityoncomputerdesktops,ontheWorldWideWeb(i.e.,websearch),onimagingdevices,andinotherconsumerandprofessionalapplications.Theseimplementationsarecharacterizedbysignificantlimitations,including:?Lackoftheabilitytoreusemetadata?Lackofacommonqueryformatandsearchsemantics?Lackofacommonformatforhandlingcontextinsearching1.3OutlineoftheTechnicalReportTherewillbe7clausestothisreport.Theyarearrangedasfollows:Clause2providesdefinitionsoftermsandabbreviations.Clause3reviewsthetraditionalapproachestoimagesearchandfromvariousexamples,motivatestheimportanceoftheuserinthesearchprocess,theimportanceofmakingexplicittheusertaskanduserevaluation,andthatmeaninginimagesmaybeasmuchaddedfromoutsideasextractedfromtheimageitself.Thismotivatesthenextclause,whicharetherealusecases.Clause4describestherealusecasesofthevariouswayssearchingdoestakeplace.Inparticular,therecouldbemultipleentrypointsintotheoverallsearchframework.Thesewouldincludeautomatic,semiautomatic,andhuman(user)drivensearches.Thesewouldincludespecificusecasesandmotivatingexamplesofsearchesforimages.Clause5describestheoverallsearchandmanagementprocess.Thiscanbeconsideredtherequirementsspecificationsforageneralsearchandmanagementarchitecture.Clause6describesthe4-layerarchitectureforJPSearchandexplicitlyidentifiesthecomponentsinthearchitecture,andwhattheirrolesandpositionsareinthearchitecture.WewilldescribehowtheusecasesdescribedinSection3maptothelayersofthisarchitecture.
【中国标准分类号】:L70
【国际标准分类号】:35_040
【页数】:37P.;A4
【正文语种】:英语