Global maritime distress and safety system (GMDSS) - Part 1: Radar transponder - Marine search and rescue (SART) - Operational and performance requirements, methods of testing and required test results...
实施日期:2008-05-01
Electromagnetic compatibility and radio spectrum matter (ERM) - Technical characteristics and methods of measurement for survival craft portable VHF radiotelephone apparatus
适用范围:This European standard specifies requirements in the telecommunications sector.
General specification for exciter used to MW AM broadcast transmitter
适用范围:本标准规定了作为独立整件的中波调幅广播激励器(以下简称激励器)的技术要求、试验方法、检验规则及包装、运输和贮存。 本标准适用于激励器。作为制造、调试、验收、维护和监测激励器的技术依据。 本标准不适用于中波同步广播激...
发布日期:1990-02-01 实施日期:1990-07-31
实施日期:2008-03-27
Fibre optic active components and devices. Package and interface standards. 14-pin active device modules
适用范围:This part of IEC 62148 covers physical interface specification for modulator integrated laserdiode transmitters.The object of this standard is to adequately specify the physical requirements of an opti...
实施日期:2010-01-31
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section seven--Radio trsnsmitters
适用范围:本标准规定了适用于地面无线电接力系统外差式发射机电气特性的测量方法,该发射机中不包括射频分波道网络和倒换网络。图1是这类发射机的功能方框图,而实际发射机的方框图在细节上会稍有差异。 本机振荡器的噪声,虽然是发...
发布日期:1988-05-25 实施日期:1989-02-01
实施日期:2012-11-30
适用范围:本标准适用于频率为526.5-一1606.5 kHz中波广播发射台,2.3—26.IMHz短波广播发射台的台址选择,并适用于在该波段内工作的电缆载波通信系统的新建工程。
Transmitters for use in industrial-process control systems - Part 2: Methods for inspection and routine testing
适用范围:IEC 60770-2:2010 is applicable to transmitters, which have either a standard analogue electric current output signal or a standard pneumatic output analogue signal in accordance with IEC 60381-1 or IEC...
发布日期:2010-11-10 实施日期:2010-11-10
实施日期:2007-04-01
Methods of measurement for radio transmitters. Part 6: Cabinet radiation at frequencies between 130 kHz and 1 GHz
适用范围:Describes the conditions and methods to measure unwanted radiations originating from sources other than the aerial or aerial system of radio transmitters. The standard is intended to be used in conjunc...
发布日期:1976-01-01 实施日期:1976-01-01
Analogue pneumatic signal for process control systems (IEC 60382:1991); German version EN 60382:1993
适用范围:The document specifies the analogue pneumatic signal used in industrial process measurement and control systems to transmit information.
Terrestrial digital multimedia broadcasting (T-DMB) receivers - Part 1: Basic requirement
适用范围:This international standard specifies the characteristics and requirements for terrestrial digital multimedia broadcasting (T-DMB) receivers. The contents of this standard include T-DMB system informat...
实施日期:2010-01-01
请选择需要导出的字段:
请选择需要导出的字段:
知识产权声明 | 服务承诺 | 联系我们 | 客户服务 | 关于我们
网络出版服务许可证:(署)网出证(京)字第072号 互联网药品信息服务资格证书号:(京)-经营性-2016-0015 信息网络传播视听节目许可证 许可证号:0108284
万方数据标准管理系统V2.0 证书号:软著登字第11198474号
京ICP证:010071 京公网安备11010802020237号 京ICP备08100800号-1
客服电话:4000115888 客服邮箱:service@wanfangdata.com.cn 违法和不良信息举报电话:4000115888 举报邮箱:problem@wanfangdata.com.cn 举报专区:https://www.12377.cn
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司 万方数据电子出版社