本文介绍两颗卫星间的激光数据传输。确定的目标是将数据从一个离地球较近轨道上的卫星(近地轨道卫星)——如地球观测卫星或载人卫星——实时传输到地面站。为此首先将数据传送至地球同步轨道中的同步卫星。再由同步卫星将这些数据或者直接传送到地面站,或者据根近地轨道卫星的位置,通 This article describes the laser data transmission between two satellites. The target set is to transmit data to satellites (orbiting satellites) in close orbital proximity to Earth stations, such as Earth observation satellites or manned satellites in real time. For this purpose, the data is first transmitted to geostationary satellites in geosynchronous orbit. The geostationary satellites then send these data either directly to the ground station or, according to the position of the satellite in orbit,