Communications satellite technology has brought the modernization of distance communications into reality, making people much closer than ever. As most communications satellites operate in geostationary orbits with an...Communications satellite technology has brought the modernization of distance communications into reality, making people much closer than ever. As most communications satellites operate in geostationary orbits with an altitude of 36,000km above the earth, which is a rather high requirement both for the launch vehicle and the satellite, only a few countries have grasped the technology to develop communications satellites （comsats） and launch vehicles sending the comsats into orbit.展开更多
文摘Communications satellite technology has brought the modernization of distance communications into reality, making people much closer than ever. As most communications satellites operate in geostationary orbits with an altitude of 36,000km above the earth, which is a rather high requirement both for the launch vehicle and the satellite, only a few countries have grasped the technology to develop communications satellites （comsats） and launch vehicles sending the comsats into orbit.
