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产品与服务技术支持购买行业关于Agilent注册登录中国Home行业RF&MicrowaveEMI&EMCEMI&EMC选择国家或地区与我们联系TransmitandReceiveIn-BandandOut-of-BandSpuriousEmissions--------------------------------------------------------------------------------DefinitionSpuriousemissionsareunwantedemissions,emanatingfromtheequipmentundertest.Thefrequencybands(in-bandandout-of-band)andtheircorrespondingspuriousemissionlimitsarespecifiedbyregulatoryagenciessuchastheFederalCommunicationsCommission(FCC)intheUnitedStatesandETSIinEurope.StandardsIEEEStd802.11b-199916September1999Paragraph18.4.6.8Transmitandreceivein-bandandout-of-bandspuriousemissionsIEEEStd802.11a-199916September1999Paragraph17.3.8.4Transmitandreceivein-bandandout-of-bandspuriousemissionsANSI/IEEEStd802.11Firstedition1999-00-00Paragraph15.4.6.5Transmitandreceivein-bandandout-of-bandspuriousemissionsFCCCFR4715.205-RestrictedbandsofoperationFCCCFR4715.209-Radiatedemissionlimits;generalrequirementsFCCCFR4715.247-Operationwithinthebands902-928MHz,2400-2483.5MHz,and5725-5850MHzFCCCFR4715.407-GeneraltechnicalrequirementsETS300-328MeasurementSubtletiesSomespuriousemissionslimitsarebasedonusingaquasi-peakdetector.Notallspectrumanalyzershavethistypeofdetector.Youcoulduseapeakdetectorduringproductevaluationbecauseitgivesresultsthatareequaltoorhigherthanaquasi-peakdetection.TestToolsDuringproductdevelopment,youwillfindthattheESAandPSASeriesspectrumanalyzersareusefultoolsformeasuringandfindingsourcesofspuriousemissions.Bothspectrumanalyzerserieshavebuilt-inone-buttonspuriousemissionsmeasurementcapability(seeImage).Thefrequencyrangeofthespectrumanalyzerisaveryimportantfactorforout-of-bandspuriousemissionscoverage.TheESASerieshasalimitof26.5GHz,andthePSAhasalimitof50GHz.Forthosewantingin-houseprecompliancetestingcapabilityAgilentoffersseveralsystemsbasedontheE7400ASeriesEMCanalyzers.EMIprecompliancesystem文档和下载姓名/说明日期应用说明:RFTestingofWirelessLANProducts(AN1380-1)-ThisapplicationnotelooksatthemodulationtechnologybehindseveralwirelessLANstandardsandthemeasurementtechniquesthatcanbeusedtotroubleshootandquantifytheirRFperformance.2007-01-103.86MB订购拷贝件应用说明:IEEE802.11无线局域网PHY层(RF)运行和测量-2003-06-031.7MB应用说明:MakingPrecomplianceConductedandRadiatedEmissionsMeasurementswithEMCAnalyzers(AN1328)-ThisApplicationNoteisacomprehensiveguidetoperformingEMCprecomplianceconductedandradiatedmeasurementsusingspectrumanalyzersandEMCanalyzerswiththeappropriatedetectorsandbandwidthfilters.DetailedmeasurementproceduresfortheAgilentE7400SeriesEMCPortableSpectrum...2000-06-012.66MB订购拷贝件相关链接89600系列矢量信号分析仪89600系列矢量信号分析仪测量射频和数字调制信号的调制质量。PSA系列高性能频谱分析仪AgilentPSA系列高性能频谱分析仪具有先进的特性和优异的指标，能提供射频、微波和毫米波信号的频谱分析。ESA系列便携式频谱分析仪拥有更多预配置套件及测量方案的基本及中档性能通用频谱分析仪EMI预认证测试系统用AgilentEMI/EMC测试系统和附件，帮助保证您的产品符合监管机构的极限要求。页首隐私声明|使用条款|与网主联系|与安捷伦联系|UnitedStatesHome|?Agilent2000-2008通信英语词汇中英翻译栏目树形导航首页新闻站点分类每日充电专题品牌下载商城校园考试行业实用休闲语言文化论坛资源中心您现在的位置：搜英语行业英语电信文章正文通信英语词汇中英翻译热★★★【字体：小大】通信英语词汇中英翻译作者：佚名文章来源：外语教育网点击数：166更新时间：2007-12-26◆三个月讲一口流利英语,100%保证!◆30位专家让你说一口流利英语,100%保证!A安全地线safegroundwire安全特性securityfeature安装线hook-upwire按半周进行的多周期控制multicyclecontrolledbyhalf-cycle按键电话机push-buttontelephoneset按需分配多地址demandassignmentmultipleaccess（DAMA）按要求的电信业务demandtelecommunicationservice按组编码encodebygroupB八木天线Yagiantenna白噪声whiteGaussiannoise白噪声发生器whitenoisegenerator半波偶极子halfwavedipole半导体存储器semiconductormemory半导体集成电路semiconductorintegratedcircuit半双工操作semi-duplexoperation半字节Nib包络负反馈peakenvelopnegativefeed-back包络延时失真envelopdelaydistortion薄膜thinfilm薄膜混合集成电路thinfilmhybridintegratedcircuit保护比（射频）protectionratio（RF）保护时段guardperiod保密通信securecommunication报头header报文分组packet报文优先等级messagepriority报讯alarm备用工作方式sparemode背景躁声backgroundnoise倍频frequencymultiplication倍频程actave倍频程滤波器octavefilter被呼地址修改通知calledaddressmodifiednotification被呼用户优先priorityforcalledsubscriber本地PLMNlocalPLMN本地交换机localexchange本地移动用户身份localmobilestationidentity（LMSI）本地震荡器localoscillator比功率（功率密度）specificpower比特bit比特并行bitparallel比特号码bitnumber（BN）比特流bitstream比特率bitrate比特误码率biterrorrate比特序列独立性bitsequenceindependence必要带宽necessarybandwidth闭环电压增益closedloopvoltagegain闭环控制closedloopcontrol闭路电压closedcircuitvoltage边瓣抑制sidelobesuppression边带sideband边带非线性串扰sidebandnon-linearcrosstalk边带线性串扰sidebandlinearcrosstalk边带抑制度sidebandsuppression边角辐射boundaryradiation编号制度numberingplan编解码器codec编码encode编码律encodinglaw编码器encoder编码器输出encoderoutput编码器总工作时间encoderoveralloperatetime编码效率codingefficiency编码信号codedsignal编码约束长度encodingconstraintlength编码增益codinggain编译程序compiler鞭状天线whipantenna变频器converter变频损耗converterconversionloss变容二极管variablecapacitancediode变形交替传号反转modifiedalternatemarkinversion便携电台portablestation便携设备portableequipment便携式载体设备portablevehicleequipment标称调整率（标称塞入率）nominaljustificationrate（nominalstuffingrate）标称值nominalvalue标称呼通概率nominalcallingprobability标准码实验信号standardcodetestsignal（SCTS）标准模拟天线standardartificialantenna标准频率standardfrequency标准时间信号发射standard-time-signalemission标准实验调制standardtestmodulation标准输出功率standardpoweroutput标准输入信号standardinputsignal标准输入信号电平standardinput-signallevel标准输入信号频率standardinput-signalfrequency标准信躁比standardsignaltonoise表面安装surfacemoun