Availability objectives for a hypothetical reference digital path when used for the transmission of B-ISDN asynchronous transfer mode in the fixed-satellite service by geostationary orbit satellite systems using frequencies below 15 GHz
当地球静止轨道卫星系统使用低于15 GHz的频率在固定卫星服务中传输B-ISDN异步传输模式时 假设参考数字路径的可用性目标

2000-01-04

Availability objectives for a hypothetical reference digital path when used for the transmission of B-ISDN asynchronous transfer mode in the fixed-satellite service by geostationary orbit satellite systems using frequencies below 15 GHz
当地球静止轨道卫星系统使用低于15 GHz的频率在固定卫星服务中传输B-ISDN异步传输模式时 假设参考数字路径的可用性目标

2000-01-04

Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Synchronous Digital Hierarchy (SDH); High capacity DRRS carrying SDH signals (1 x STM-1) in frequency bands with about 30 MHz channel spacing and using Co-Channel Dual Polarized (CCDP) operation
传输和多路复用（TM）；数字无线电中继系统（DRRS）；同步数字体系（SDH）；高容量DRR 在约30 MHz信道间隔的频带内承载SDH信号（1 x STM-1） 并使用同信道双极化（CCDP）操作

1997-11-01