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【英文标准名称】:Non-broadcastvideotaperecorders-Methodsofmeasurement-VideocharacteristicschrominanceSECAM
【原文标准名称】:非播放用磁带录像机.测量方法.彩色视频特征SECAM
【标准号】:BSEN61041-2-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-07-15
【实施或试行日期】:1996-07-15
【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】:色度;颜色;串音;电气工程;调频;亮度;磁带记录;磁带;测量;测量技术;特性;额定值;记录工程;记录设备;记录系统;顺序存储彩电制式;试验磁带;测试条件;测试准备工作;视频;电视工程;视频记录;录像系统;磁带录像机;录像带
【英文主题词】:Chrominance;Colour;Cross-talk;Electricalengineering;Frequencymodulation;Luminance;Magnetictaperecordings;Magnetictapes;Measurement;Measuringtechniques;Properties;Ratings;Recordingengineering;Recordingequipment;Recordingsystem;SECAM;Testtapes;Testingconditions;Testingset-ups;Video;Videoengineering;Videorecording;Videorecordingsystems;Videotaperecorders;Videotapes
【摘要】:DescribesthemethodsofmeasurementtoevaluatetheperformanceofSECAMnon-broadcastvideotaperecordersusedwithintheFrenchTVsystem.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Opticsandopticalinstruments-Fieldproceduresfortestinggeodeticandsurveyinginstruments-Part6:Rotatinglasers
【原文标准名称】:光学和光学仪器.大地测量和测绘仪器的现场试验规程.第6部分:旋转激光器
【标准号】:ISO17123-6-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:现场试验;测量精度;光学;光学仪器;大地测量学;试验;电子光学;光学设备;激光器;测绘;光学测量
【英文主题词】:Electrooptics;Fieldtesting;Geodesy;Lasers;Measuringaccuracy;Opticalequipment;Opticalinstruments;Opticalmeasurement;Optics;Surveying;Testing
【摘要】:ThispartofISO17123specifiesfieldprocedurestobeadoptedwhendeterminingandevaluatingtheprecision(repeatability)ofrotatinglasersandtheirancillaryequipmentwhenusedinbuildingandsurveying,measurementsforlevellingtasks.Primarily,thesetestsareintendedtobefieldverificationsofthesuitabilityofaparticularinstrumentfortheimmediatetaskathandandtosatisfytherequirementsofotherstandards.Theyarenotproposedastestsforacceptanceorperformanceevaluationsthataremorecomprehensiveinnature.ThispartofISO17123canbethoughtofasoneofthefirststepsintheprocessofevaluatingtheuncertaintyofameasurement(morespecificallyameasurand).Theuncertaintyofaresultofameasurementisdependentonanumberoffactors.Theseincludeamongothers:repeatability,reproducibility(betweendayrepeatability)andathoroughassessmentofallpossibleerrorsources,asprescribedbytheISOGuidetotheexpressionofuncertaintyinmeasurement(GUM).Thesefieldprocedureshavebeendevelopedspecificallyforinsituapplicationswithouttheneedforspecialancillaryequipmentandarepurposefullydesignedtominimizeatmosphericinfluences.
【中国标准分类号】:N30
【国际标准分类号】:17_180_30
【页数】:20P;A4
【正文语种】:英语