航空移动业务卫星通信地面地球站总技术要求cl频段.pdf.pdf

ICS33-060-50 M 35 MH 中华 人 民共 和 国民用航 空行 业标 准 MH/T4004一1997 航空移动业务卫星通信 地面地球站总技术要求 (C/L频段) Aeronauticalmobilesatelliteservicescommunications groundearthstation-Generaltechnicalrequirements (C/Lband) 1997一11一19发布 1998一02一15实施 中国民用航空总局 发 布 MH/T4004一1997 目 次 前言 1 范围 ····”“····”··············································································”·············…… 1 2 引用标准 ············”··············”·········································································…… 1 3 定义 ··················“·········“·····”··················”······”···········································…… 1 4 初期系统与增强系统 ································································“·····················…… 3 5 总要求 “·······················································”······”·······”··········“········”·········…… 3 6 C频段技术要求 ·”··················································“··················”··········”·”····…… 4 7 L频段技术要求 ·······”····“··················”·····························································…… 6 8 自动频率补偿 ·········································””············”·······”····························…… 8 9 信道单元要求 ············································”······”·····“·······””························…… 9 1。 接续控制要求 ···”·························································································…… 12 11 信令信道要求 ···················································“·····”······”·······”··················…… 13 12 电话业务要求 ································································································…… 14 13 运行监视要求 ”·························