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【英文标准名称】:Graphicalsymbols-Safetycoloursandsafetysigns-Part2:Designprinciplesforproductsafetylabels(ISO3864-2:2004),CorrigendumtoDINISO3864-2:2008-07
【原文标准名称】:图形符号.安全色和安全标记.第2部分:产品安全标签的设计原则(ISO3864-2-2004),DINISO3864-2-2008-07的技术勘误
【标准号】:DINISO3864-2Berichtigung1-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Design;Graphicsymbols;Labels;Principles;Safetycolours;Safetymark;Safetyofproducts;Safetyrequirements;Safetysigns;Signals;Signs;Specification(approval);Symbols
【摘要】:
【中国标准分类号】:A22
【国际标准分类号】:01_070;01_080_10
【页数】:2P.;A4
【正文语种】:德语


【英文标准名称】:Methodsofmeasurementonradioreceiversforvariousclassesofemission-Methodsofmeasurementondigitalsatelliteradio(DSR)receivers
【原文标准名称】:各种类发射的无线电接收机测量方法.第7部分:数字卫星无线(DSR)接收机测量方法
【标准号】:BSEN60315-7-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-06-15
【实施或试行日期】:1996-06-15
【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】:音频;广播接收机;广播;定义;定义(术语);数字的;数字工程;数字信号;电失真;电气工程;频率测量;调频;饱和度控制;测量;测量条件;测量技术;乱真信号;特性;无线电电路;无线电接收机;射频;接收机;卫星通信;卫星接收;信号失真;声音广播;测试;调谐器
【英文主题词】:Audiofrequencies;Broadcastreceivers;Broadcasting;Definition;Definitions;Digital;Digitalengineering;Digitalsignals;Electricdistortion;Electricalengineering;Frequencymeasurement;Frequencymodulation;Levelcontrols;Measurement;Measurementconditions;Measuringtechniques;Noise(spurioussignals);Properties;Radiocircuits;Radioreceivers;Radiofrequencies;Receivers;Satellitecommunications;Satellitereception;Signaldistortion;Soundbroadcasting;Testing;Tuners
【摘要】:ThispartofIEC315appliestotheDSRtuner/receiverunitofareceivinginstallationforthedirectreceptionofdigitalsatellitesoundbroadcasttransmissionsinthe12GHzband.ThechannelsareidenticaltothosedefinedbyWARCBS-77andRARCSAT-83fortelevisionbroadcasting.TheDSRsystemisrecommendedinCCIRRecommendation712forthetransmissionofveryhigh-qualitysoundprogrammestofixedreceiverswithinawidecoverageareainRegion1.TheobjectofthisstandardistodefinetheconditionsandmethodsofmeasurementtobeusedtodeterminethecharacteristicsofaOSRtunerunit,soastomakepossiblethecomparisonofresultsofmeasurementsachievedbydifferentobservers.Performancerequirements(limitingvaluesforthecharacteristics,requiredforacceptableperformance)arenotspecified.NOTES1Thetunerunitcomprisesachannelselectorandademodulator/decoderforthereceptionofdigitallycodedandphase-modulatedsatellitesoundbroadcasttransmissions.Theunitmayadditionallycompriseafixedfrequencyinput.2Formoreinformationaboutthesystem,seeannexA.note:*CCIRisreplacedbyITU-R.
【中国标准分类号】:M36
【国际标准分类号】:33_160_20
【页数】:46P.;A4
【正文语种】:英语