GB/T 12639-1990
通信卫星有效载荷性能的在轨测试方法
Methods of in-orbit testing for communication satellite payload performances
- 实施日期
- 1991-10-01
- ICS 分类
- 33.060.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 192 条
GB/T 12639-1990
Methods of in-orbit testing for communication satellite payload performances
GB/T 12572-1990
Frequency tolerance for transmitter
GB/T 12563-1990
Requirements of terrestrial interface for domestic satellite communications earth stations
GB/T 12566-1990
Interface for signal chain of sound and television broadcasting transmitting equipments
GB/T 12449-1990
Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment
GB/T 12185-1990
General specification for exciter used to MW AM broadcast transmitter
GB/T 12193-1990
Methods of measurement for radio receivers employing F3E emission used in the mobile services
GB/T 12192-1990
Methods of measurement for radio transmitters employing F3E emission used in the mobile services
GB/T 12046-1989
Designation of radio emissions and determination of necessary bandwidths
GB/T 11443.4-1989
Domestic satellite communication earth stations--General technical requirements--Part 4:Television/ frequency modulation carrier channel
GB/T 11443.1-1989
Domestic satellite communication earth stations--General technical requirements--Part 1:Common performance
GB/T 11444.3-1989
Transmitter, receiver and ground communication equipment used in domestic satellite communication earth stations--Technical requirements--Part 3:Equipment for television/frequency modulation
GB 11411-1989
Technical specifications and operational requirements for the systems for promulgation of navigational and meteorological warnings and urgent information
GB/T 11299.9-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section seven:Frequency demodulators--Section eight:Frequency demodulators
GB/T 11299.8-1989
Methods of measuremant for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section four:Up and down converters
GB/T 11299.7-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Sub-systems measurements--Section three:Low noise amplifier
GB/T 11299.5-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinationsof sub-systems--Section five:Noise temperature measurements
GB/T 11299.15-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-systems--Section five:Antenna tracking and control
GB/T 11299.14-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section four:Measurement for monochrome and colour television transmission
GB/T 11299.13-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combinations of sub-systems--Section three:Measurements for F.D.M. transmission