卫星通信是什么 什么是卫星通信英文双语对照

1、卫星通信系统实际上也是一种微波通信，它以卫星作为中继站转发微波信号，在多个地面站之间通信，卫星通信的主要目的是实现对地面的“无缝隙”覆盖，由于卫星工作于几百、几千、甚至上万公里的轨道上，因此覆盖范围远大于一般的移动通信系统。

2、但卫星通信要求地面设备具有较大的发射功率，因此不易普及使用。

1, satellite communications system also is communication of a kind of microwave actually, it regards microwave of relay station transmit as signal with the satellite, correspond between many earth stations, the main purpose of satellite communications is implementation to the ground " without aperture " enclothe, because the satellite works at hundreds of, thousands of, go up to the orbit of on 10 thousand kilometers very, because this covers range ambitious at average mobile system.

2, but facilities of ground of satellite communications requirement has greater emissive power, because this gains ground not easily,use.