DIN IEC 60883-1989 录象带色度信号与随机噪声之比的测定方法

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【英文标准名称】:Measuringmethodforchrominancesignal-to-randomnoiseratioforvideotaperecorders;identicalwithIEC60883:1987
【原文标准名称】:录象带色度信号与随机噪声之比的测定方法
【标准号】:DINIEC60883-1989
【标准状态】:现行
【国别】:德国
【发布日期】:1989-08
【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】:彩色电视;色灯信号机(铁路);色度;磁带录像机;视频记录;信噪比;乱真信号;记录系统;电视;信号;电气工程;记录工程;测量技术;视频信号;测量;检验
【英文主题词】:Chrominance;Colourtelevision;Colour-lightsignals(railways);Electricalengineering;Inspection;Measurement;Measuringtechniques;Noise(spurioussignals);Recordingengineering;Recordingsystems;Signals;Signal-to-noiseratio;Television;Videorecording;Videosignals;Videotaperecorders
【摘要】:ThestandarddescribesatechniqueformeasuringtheimpairmentofaTVpictureduetorandomnoiseinacoloursignal.
【中国标准分类号】:M71;M70
【国际标准分类号】:33_160_40
【页数】:11P.;A4
【正文语种】:德语


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【英文标准名称】:Foodprocessingmachinery-Saladdryers-Safetyandhygienerequirements.
【原文标准名称】:食品加工机械.色拉干燥机.安全和卫生要求
【标准号】:NFU64-053-2004
【标准状态】:作废
【国别】:法国
【发布日期】:2004-12-01
【实施或试行日期】:2004-12-20
【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】:离心机;食品工业设备;机械工程;厨房器具;使用说明;安全措施;生产;试验;机器;商业的;操作说明书;设计;卫生学;定义;储备设备;危害;色拉;安全;食品;安全要求;规范(验收);给养设备;危险
【英文主题词】:Cateringequipment;Commercial;Danger;Definitions;Design;Foodproducts;Foodstuffmachine;Hazards;Hygiene;Instructionsforuse;Kitchenutensils;Machines;Mechanicalengineering;Operatinginstructions;Production;Provisionindustry;Safety;Safetymeasures;Safetyofmachinery;Safetyrequirements;Salad;Saladdryers;Specification(approval);Testing
【摘要】:
【中国标准分类号】:X90
【国际标准分类号】:67_260
【页数】:43P.;A4
【正文语种】:其他


【英文标准名称】:Semiconductorconverters.Generalrequirementsandlinecommutatedconverters.Part1-1:Specificationofbasicrequirements
【原文标准名称】:半导体变流器.总要求和线路整流转换器.第1-1部分:基本要求规范
【标准号】:BSEN60146-1-1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-08-31
【实施或试行日期】:2010-08-31
【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】:电容性负载;电容器;扼流圈;断路器;电路;分类系统;组件;定义(术语);效率;电力变换器;电气工程;电绝缘;电气安全性;电气测试;电磁兼容性;电子工程;电子设备及元件;电磁兼容性(EMC);工作环境;检验;逆变器;电网换流;作标记;性能测试;电力电子学;功率损耗;防电击;质量控制;额定电流;额定值;整流二极管;整流器;半导体器件;半导体二极管;半导体工程;半导体功率转换器;半导体整流器;半导体;静态变换器;温升;试验;半导体闸流管;变压器;晶体管;定型试验;阀门
【英文主题词】:Capacitiveloads;Capacitors;Chokes(electric);Circuit-breakers;Circuits;Classificationsystems;Components;Definitions;Efficiency;Electricconvertors;Electricalengineering;Electricalinsulation;Electricalsafety;Electricaltesting;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Environment(working);Inspection;Inverters;Linecommutation;Marking;Performancetesting;Powerelectronics;Powerlosses;Protectionagainstelectricshocks;Qualitycontrol;Ratedcurrent;Ratings;Rectifierdiodes;Rectifiers;Semiconductordevices;Semiconductordiodes;Semiconductorengineering;Semiconductorpowerconvertors;Semiconductorrectifiers;Semiconductors;Staticconvertors;Temperaturerise;Testing;Thyristors;Transformers;Transistors;Typetesting;Valves
【摘要】:ThisInternationalStandardspecifiestherequirementsfortheperformanceofallsemiconductorpowerconvertersandsemiconductorpowerswitchesusingcontrollableand/ornon-controllableelectronicvalvedevices.Theelectronicvalvedevicesmainlycomprisesemiconductordevices,eithernotcontrollable(i.e.rectifierdiodes)orcontrollable(i.e.thyristors,triacs,turn-offthyristorsandpowertransistors).Thecontrollabledevicesmaybereverseblockingorreverseconductingandcontrolledbymeansofcurrent,voltageorlight.Non-bistabledevicesareassumedtobeoperatedintheswitchedmode.Thisstandardisprimarilyintendedtospecifythebasicrequirementsforconvertersingeneralandtherequirementsapplicabletolinecommutatedconvertersforconversionofa.c.powertod.c.powerorviceversa.Partsofthisstandardarealsoapplicabletoothertypesofelectronicpowerconverterprovidedthattheydonothavetheirownproductstandards.Thesespecificequipmentrequirementsareapplicabletosemiconductorpowerconvertersthateitherimplementpowerconversionorusecommutation(forexamplesemiconductorselfcommutatedconverters)orinvolveparticularapplications(forexamplesemiconductorconvertersford.c.motordrives)orincludeacombinationofsaidcharacteristics(forexampledirectd.c.convertersforelectricrollingstock).Thisstandardisapplicabletoallpowerconvertersnotcoveredbyadedicatedproductstandard,orifspecialfeaturesarenotcoveredbythededicatedproductstandard.DedicatedproductstandardsforpowerconvertersshouldrefertothisInternationalStandard.NOTE1ThisstandardisnotintendedtodefineEMCrequirements.Itcoversallphenomenaandthereforeintroducesreferencestodedicatedstandardswhichareapplicableaccordingtotheirscope.NOTE2Alargepartofthisstandard,particularlyforpowertransformers,iscoveredinIEC61378-1.
【中国标准分类号】:K46
【国际标准分类号】:29_045;29_200
【页数】:100P.;A4
【正文语种】:英语