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【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-DirectDiallingIn(DDI)supplementaryservice-DigitalSubscriberSignallingSystemNoone(DSS1)protocol-Part4:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting
【原文标准名称】:综合业务数字网(ISDN).直接拨入(DDI)补充业务.数字用户信哈怕发送系统第1号(DSS1)协议.第4部分:用户的抽象试验组和试验形式规范分部协议执行额外信息
【标准号】:NFZ82-064-4-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-04-01
【实施或试行日期】:2001-04-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Additionalequipment;Circuitnetworks;Communicationservice;Communicationtechnology;Communications;Directdialling-in;ETSI;Informationprocessing;Integratedservicesdigitalnetwork;ISDN;PIXIT;ProtocolImplementationeXtraInformationforTesting;Protocols;Radiosystems;Records;Signaltransmission;Signallingsystems;Subscriber'ssystems;Supplementaryservices;Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Telephonenetworks;Terminaldevices;Testspecifications;Testsuites;Testing;Testingrequirements;Transmissionprotocol
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:33_030;33_040_30;33_080
【页数】:26P.;A4
【正文语种】:其他


【英文标准名称】:Soundsystemequipment-Part3:Amplifiers
【原文标准名称】:声系统设备第3部分:放大器
【标准号】:IEC60268-3-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:砝码;电声学;广播;重量;功率消耗;畸变系数;多路声音;;输入电压;频率响应;放大;阻抗;阻抗;音频放大器;乱真信号;电气工程;干扰;质量(物质);放大器;规范(验收);声音广播;干扰噪音;接收机;输出电压;分类;电声器件;电压;磁漏;通道间隔;测量技术;测量;电力系统;磁场;作标记;特性;性能;分类系统;频率;声学;尺寸
【英文主题词】:Acoustics;Acoustoelectricdevices;Amplification;Amplifiers;Audioamplifiers;Broadcasting;Channelspacing;Classification;Classificationsystems;Dimensions;Distortionfactors;Electricpowersystems;Electricalengineering;Electricalimpedance;Electroacoustics;Frequencies;Frequencyresponse;Hum;Impedance;Inputvoltage;Interferences;Interferingnoise;Magneticfields;Magneticleakage;Marking;Mass;Measurement;Measuringtechniques;Multichannelsound;Noise(spurioussignals);Outputvoltage;Performance;Powerconsumption;Properties;Receivers;Soundbroadcasting;Specification(approval);Voltage;Weights
【摘要】:ThispartofIEC60268appliestoanalogueamplifiers,andtheanaloguepartsofanalogue/digitalamplifiers,whichformpartofasoundsystemforprofessionalorhouseholdapplications.Itspecifiesthecharacteristicswhichshouldbeincludedinspecificationsofamplifiersandthecorrespondingmethodsofmeasurement.NOTEThemethodsofmeasurementfordigitalamplifiersandsimilarequipmentaregiveninIEC61606.[6]Ingeneral,thespecifiedmethodsofmeasurementarethosewhichareseentobemostdirectlyrelatedtothecharacteristics.Thisdoesnotexcludetheuseofothermethodswhichgiveequivalentresults.Ingeneral,themethodsarebasedonthesimplestmeasuringequipmentwhichcanprovideusefulresults.Thisdoesnotexcludetheuseofmorecomplexequipmentwhichcangivehigheraccuracyand/orallowautomaticmeasurementandrecordingofresults.Ratedconditionsandstandardmeasuringconditionsarespecifiedinordertoallowmeasurementstobereliablyrepeated.note:1)Numbersinsquarebracketsrefertothebibliography.
【中国标准分类号】:M72
【国际标准分类号】:33_160_10
【页数】:
【正文语种】:英语