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一、绪言 1.0概况本文介绍的卫星通信地面站系RCA环球通信公司七十年代初期的产品,它适于国际卫星财团的操作和技术要求。这个地面站和系统设备的设计寿命为十五年。设计时考虑了今后迅速扩充的需要。 1.1系统说明这个地面站包括下述设备: 30米直径天线; 天线馈线系统; 天线操纵设备; 发射机; 地面通信发射设备; 接收机; 地面通信接收设备; 复用设备;
I. INTRODUCTION 1.0 OVERVIEW This article describes the satellite communications ground station RCA Global Communications Company early 70s products, it is suitable for the operation of the International Satellite Consortium and technical requirements. The design life of this ground station and system equipment is fifteen years. The design takes into account the need for rapid expansion in the future. 1.1 System Description This ground station comprises the following equipment: 30 m diameter antenna; antenna feeder system; antenna handling equipment; transmitter; ground communication transmitting equipment; receiver; terrestrial communication receiving equipment; multiplexing equipment;