DIN EN 61835-1999 使用12,65MM(0,5in)磁带的螺旋扫描的数字部件盒式带录像系统.D-5格式
时间:2024-05-05 17:26:52 来源: 标准资料网 作者：标准资料网 阅读：9098
【英文标准名称】:Helical-scandigitalcomponentvideocassetterecordingsystemusing12,65mm(0,5in)magnetictape-FormatD-5(IEC61835:1998);GermanversionEN61835:1998
【原文标准名称】:使用12,65MM(0,5in)磁带的螺旋扫描的数字部件盒式带录像系统.D-5格式
【标准号】:DINEN61835-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-05
【实施或试行日期】:1999-05-01
【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】:电气工程;参数;螺旋扫描记录;特性;尺寸;盒式录象带;声信号;记录;规范(验收);录像磁带;录像带;视频信号;数字信号;视频记录;磁带
【英文主题词】:
【摘要】:Thisprojectdealswiththeelectricalandmechanicalcharacteristicsofequipmentwhichpermitstheinterchangeabilityof12,65mmcassettesdigitallyrecordedcomponentvideoprogrammes.#,,#
【中国标准分类号】:M73
【国际标准分类号】:33_160_40
【页数】:116P;A4
【正文语种】:德语
【英文标准名称】:Determinationofthehotstoragestabilityofmodifiedbitumenbinders
【原文标准名称】:改进型沥青粘合剂的热储存稳定性测定
【标准号】:DD248-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-04-15
【实施或试行日期】:1999-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:高温试验;热稳定性;稳定性;施工材料;石油产品;沥青制品;储存;沥青;材料热性质;石油技术;试验条件;试样制备;热试验;方程;试样;粘合剂
【英文主题词】:
【摘要】:IdenticalwithIPPMCH/99.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50;75_140
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Languageindependentarithmetic-Part2:Elementarynumericalfunctions
【原文标准名称】:信息技术独立语言运算第2部分：基本数字功能
【标准号】:ISO/IEC10967-2-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【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
【标准类型】:()
【标准水平】:()
【中文主题词】:程序设计;算术;接口;信息技术;定义;程序设计语言;数据处理;计算机软件
【英文主题词】:Arithmetic;Computersoftware;Dataprocessing;Definition;Definitions;Informationtechnology;Interfaces(dataprocessing);Programming;Programminglanguages
【摘要】:ThispartofISO/IEC10967definesthepropertiesofnumericalapproximationsformanyoftherealelementarynumericalfunctionsavailableinstandardlibrariesforavarietyofprogramminglanguagesincommonuseformathematicalandnumericalapplications.Animplementormaychooseanycombinationofhardwareandsoftwaresupporttomeetthespecificationsofthispart.Itisthecomputingenvironment,asseenbytheprogrammer/user,thatdoesordoesnotconformtothespecifications.Thetermimplementation(ofthispart)denotesthetotalcomputingenvironmentpertinenttothispart,includinghardware,languageprocessors,subroutinelibraries,exceptionhandlingfacilities,othersoftware,anddocumentation.1InclusionsThespecificationsofpart1areincludedbyreferenceinthispart.Thispartprovidesspecificationsfornumericalfunctionsforwhichalloperandvaluesareofintegerorfloatingpointdatatypessatisfyingtherequirementsofpart1.Boundariesfortheoc-currenceofexceptionsandthemaximumerrorallowedareprescribedforeachspecifiedoperation.Alsotheresultproducedbygivingaspecialvalueoperand,suchasaninfinity,oraNaN,isprescribedforeachspecifiedfloatingpointoperation.ThispartcoversmostnumericalfunctionsrequiredbytheISO/IECstandardsforAda[11],Basic[16],C[17],C++[18],Fortran[22],ISLisp[24],Pascal[27],andPL/I[29].Inparticular,specificationsareprovidedfor:a)Someadditionalintegeroperations.b)Someadditionalnon-transcendentalfloatingpointoperations,includingmaximumandmin-imumoperations.c)Exponentiations,logarithms,andhyperbolics.d)Trigonometries,bothinradiansandforargument-givenangularunitwithdegreesasaspecialcase.Thispartalsoprovidesspecificationsfor:e)Conversionsbetweenintegerandfloatingpointdatatypes(possiblywithdifferentradices)conformingtotherequirementsofpart1,andtheconversionoperationsused,forexample,intextinputandoutputofintegerandfloatingpointnumbers.f)TheresultsproducedbyanincludedfloatingpointoperationwhenoneormoreargumentvaluesareIEC60559specialvalues.g)Program-visibleparametersthatcharacterisecertainaspectsoftheoperations.2ExclusionsThispartprovidesnospecificationsfora)Numericalfunctionswhoseoperandsareofmorethanonedatatype(withoneexception).Thispartneitherrequiresnorexcludesthepresenceofsuch"mixedoperand"operations.b)Anintervaldatatype,ortheoperationsonsuchdata.Thispartneitherrequiresnorexcludessuchdataoroperations.c)Afixedpointdatatype,ortheoperationsonsuchdata.Thispartneitherrequiresnorexcludessuchdataoroperations.d)Arationaldatatype,ortheoperationsonsuchdata.Thispartneitherrequiresnorexcludessuchdataoroperations.e)Complex,matrix,statistical,orsymbolicoperations.Thispartneitherrequiresnorexcludessuchdataoroperations.f)Thepropertiesofarithmeticdatatypesthatarenotrelatedtothenumericalprocess,suchastherepresentationofvaluesonphysicalmedia.g)Thepropertiesofintegerandfloatingpointdatatypesthatproperlybelonginprogramminglanguagestandardsorotherspecifications.Examplesinclude1)thesyntaxofnumeralsandexpressionsintheprogramminglanguage,2)thesyntaxusedforparsed(input)orgenerated(output)characterstringformsfornumeralsbyanyspecificprogramminglanguageorlibrary,3)theprecedenceofoperatorsintheprogramminglanguage,4)thepresenceorabsenceofautomaticdatatypecoercions,5)therulesforassignment,parameterpassing,andreturningvalue,6)theconsequencesofapplyinganoperationtovaluesofimproperdatatype,ortounini-tialiseddata.Furthermore,thispartdoesnotprovidespecificationsforhowtheoperationsshouldbeimple-mentedorwhichalgorithmsaretobeusedforthevariousoperations.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:177P;A4
【正文语种】:英语