Group delay characteristic of television broadcast transmissions
适用范围:本标准规定了我国电视广播接收机和中文字符系统图文电视机的群时延特性。 本标准适用于对我国电视广播接收机的群时延特性进行评价。
发布日期:1992-06-15 实施日期:1992-12-01
Specification for radio disturbance and immunity measuring apparatus and methods - Part 2-4: Methods of measurement of disturbances and immunity - Immunity measurements (CISPR 16-2-4:2003)
实施日期:2005-09-01
Prüfverfahren für Lichtwellenleiter-Kommunikationsuntersysteme. Digitale Systeme. Messung des optischen Signal-Rausch-Verh?ltnisses für dichte Wellenl?ngen-Multiplex-Systeme Fibre optic communication s...
适用范围:This part of IEC 61280 provides a parameter definition and a test method for obtaining opticalsignal-to-noise ratio (OSNR) using apparatus that measures the optical spectrum at amultichannel interface....
实施日期:2009-05-31
Inspecition rule for monochrome TV broadcast receivers (Accertance inspection) ...
实施日期:1987-08-31
Methods of measurement for equipment used in digital microwave radio transmission systems; part 1: measurements common to terrestrial radio-relay systems and satellite earth stations; section 2: basic ...
适用范围:The document deals with measurement of basic characteristics common to terrestrial radio-relay systems and satellite earth stations. These basic chracteristics apply to all of the frequence ranges empl...
适用范围:本标准规定了彩色电视广播接收机类环境标志产品的定义、基本要求、技术内容和检验方法;本标准适用于屏幕尺寸在25cm以上,被设计用来接收、译码、播放由卫星、电缆或天线传播的数字或模拟电视信号的,由公共电网供电的彩色电视...
实施日期:2007-01-01
Communication systems for meters and remote reading of meters - Part 4: Wireless meter readout (Radio meter reading for operation in SRD bands)
实施日期:2013-08-01
Maritime navigation and radiocommunication equipment and systems. Presentation of navigation-related information on shipborne navigational displays. General requirements,methods of testing and required...
适用范围:This International Standard specifies the general requirements, methods of testing, andrequired test results, for the presentation of navigation-related information on shipbornenavigational displays in...
实施日期:2008-07-01
Method of Test for Land Mobile Communication FM or PM Receiver, 25-947MH`7|(Radiated, Conducted Spurious Emission and Audio Squelch Sensitivity)
发布日期:1983-12-13 实施日期:1994-08-24
Intermediate frequency of FM receivers
适用范围:本标准适用于调频接收机的中间频率。
发布日期:1988-02-04 实施日期:1988-07-31
Maritime navigation and radiocommunication equipment and systems. Electronic chart display and information system (ECDIS). Operational and performance requirements, methods of testing and required test...
适用范围:This International Standard specifies the performance requirements, methods of testing andrequired test results of equipment conforming to performance standards not inferior to thoseadopted by the IMO ...
实施日期:2009-03-31
General rules of transmitting and/or receiving modules for middle and high speed fiber optic transmission
Electromagnetic compatibility and Radio spectrum Matters (ERM) - Short Range Devices (SRD) - Close Range Inductive Data Communication equipment operating at 13.56 MHz - Part 1: Technical characterist...
适用范围:This European standard specifies requirements in the telecommunications sector.
实施日期:2005-11-01
Communication systems for meters and remote reading of meters - Part 4: Wireless meter readout (Radio meter reading for operation in the 868 - 870 MHz SRD band)
适用范围:This standard defines the requirements of parameters for the physical and the link layer for systems using radio to read remote meter. The primary focus is in using the Short Range Devices (SRD) unlice...
实施日期:2005-10-01
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