【英文标准名称】:Radioequipmentusedinmobileservices-Methodsofmeasurement-Part6:Dataequipment
【原文标准名称】:移动业务中用的无线电设备的测量方法第6部分:数据设备
【标准号】:IEC60489-6-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC102
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofIEC60489refersspecificallytomobileradiotransmittersandreceiversforthetransmissionofdata(telegraphy)signalshavingtheemissioncharacteristicsgivenin1.1.ThisstandardisintendedtobeusedinconjunctionwithIEC60489-1.Thetermsanddefinitionsandtheconditionsofmeasurementsetforthinthisstandardareintendedfortypeandacceptancetests.Theobjectofthisstandardistostandardizethedefinitions,theconditionsandthemethodsofmeasurementusedtoascertaintheradio-frequencyperformanceofdataandselectivecallequipment,thusmakingpossiblemeaningfulcomparisonsoftheresultsofmeasurementsmadebydifferentobserversandondifferentequipment.Thisstandardwillcoverthefollowingtypesofdatasignals:-bitstreams;-characterstrings;-messages;-selectivecalling.Selectivecallingdiffersfrommessagesintheirintendedfunctions;itmaybeconsideredasdatasignals,analogoustomessagestransmittingonlytheinformationrequiredtoactivateanalarmononereceiveroragroupofreceivers.Themethodsofmeasurementsfortheradio-frequencyparametersareappropriateforthefourtypesofdatasignals.Todifferentiatebetweentheradio-frequencyparameters(e.g.adjacentchannelpower,frequencyerror)measuredinthisstandardfromthoseinassociatedstandards,thenameofeachparameterisfollowedbyeither"(bitstream)"or"(characterstring)"or"(message)"or"(selectivecalling)".Aftereachradio-frequencyparameterthegeneralterm"(data)"isused.Wheneachequipmentismeasured,theproperdatatype"(bitstream)""(characterstring)""(message)"or"(selectivecalling)"willbesubstitutedfor"(data)".
【中国标准分类号】:M36
【国际标准分类号】:33_060_99
【页数】:146P;A4
【正文语种】:英语