基本信息
| 标准名称： | 硼镁矿石分析规则 |
| 中标分类： |
矿业 >>
非金属矿 >>
化工原料矿 |
| 替代情况： | GB 3447.1-82 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1983-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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目录
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引用标准
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所属分类： 矿业 非金属矿 化工原料矿
【英文标准名称】:Vehicles,boatsandinternalcombustionengines-Radiodisturbancecharacteristics-Limitsandmethodsofmeasurementfortheprotectionofoff-boardreceivers
【原文标准名称】:车辆、船舶和内燃机.无线电干扰特性.离船接收机保护用测量的限值和方法
【标准号】:BSEN55012-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【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】:小艇;定义;内燃机驱动;电气工程;点火系统;干扰抑制;干扰辐射;内燃机;极限(数学);测量;测量技术;机动船;性能;无线电干扰;船舶;火花点火发动机;车辆
【英文主题词】:Boats;Definition;Definitions;Drivebyinternalcombustionengine;Electricalengineering;Ignitionsystems;Interferencesuppression;Interferingemissions;Internalcombustionengines;Limits(mathematics);Measurement;Measuringtechniques;Motorboats;Properties;Radiodisturbances;Ships;Spark-ignitionengines;Vehicles
【摘要】:ThelimitsinthisInternationalStandardaredesignedtoprovideprotectionforbroadcastreceiversinthefrequencyrangeof30MHzto1000MHzwhenusedintheresidentialenvironment.Compliancewiththisstandardmaynotprovideadequateprotectionfornewtypesofradiotransmissionsorreceiversusedintheresidentialenvironmentnearerthan10mtothevehicle,boatordevice.NOTE1Experiencehasshownthatcompliancewiththisstandardmayprovidesatisfactoryprotectionforreceiversofothertypesoftransmissionswhenusedintheresidentialenvironment,includingradiotransmissionsinfrequencyrangesotherthanthatspecified.Thisstandardappliestotheemissionofelectromagneticenergywhichmaycauseinterferencetoradioreceptionandwhichisemittedfroma)vehiclespropelledbyaninternalcombustionengine,electricalmeansorboth(see3.1);b)boatspropelledbyaninternalcombustionengine,electricalmeansorboth(see3.2).Boatsaretobetestedinthesamemannerasvehiclesexceptwheretheyhaveuniquecharacteristicsasexplicitlystatedinthisstandard;c)devicesequippedwithinternalcombustionengines(see3.3).SeeAnnexGforaflowcharttohelpdeterminetheapplicabilityofCISPR12.Thisstandarddoesnotapplytoaircraft,tractionsystems(railway,tramwayandelectrictrolleybus),ortoincompletevehicles.Inthecaseofadual-modetrolleybus(e.g.propelledbypowerfromeithera.c./d.c.mainsoraninternalcombustionengine),theinternalcombustionpropulsionsystemmustbeincluded,butthea.c./d.c.mainsportionofthevehiclepropulsionsystemisexcludedfromthisstandard.NOTE2Protectionofreceiversusedonboardthesamevehicleasthedisturbancesource(s)arecoveredbyCISPR25.Themeasurementofelectromagneticdisturbanceswhilethevehicleisconnectedtopowermainsforchargingisnotcoveredinthisstandard.TheuserisreferredtoappropriateIECandCISPRstandardswhichdefinemeasurementtechniquesandlimitsforthiscondition.AnnexHlistsworkbeingconsideredforfuturerevisions.
【中国标准分类号】:U66
【国际标准分类号】:27_020;43_060_01;47_020_20
【页数】:58P.;A4
【正文语种】:英语