众所周知,地球静止轨道只有一条,它是人类有限的宝贵资源。然而,随着空间技术的开发,各国发射的地球静止卫星在逐年增多,尤其是商业化的通信卫星发射更频繁。目前在轨工作的静止通信卫星已达200余颗,大有趋于饱和之势。鉴于要避免卫星通信信号之间的干扰,相邻同频段工作的卫星不能靠得过近,致使静止轨道上能配置的卫星数目受到限制,通信卫星拥挤的矛盾现已日趋尖锐。为此,许多空间技术 It is a well-known fact that there is only one geostationary orbit, which is a limited and valuable human resource. However, with the development of space technology, the number of geostationary satellites launched by various countries has been increasing every year. In particular, commercial communications satellites launch more frequently. At present, there are more than 200 stationary communications satellites in orbit, most of whom are in a trend of saturation. In view of the avoidance of interference between satellite communication signals, the satellites operating in the same frequency band can not be brought too close together, which limits the number of satellites that can be deployed in the geostationary orbit and the contradiction of communication satellite crowding is becoming increasingly acute. For this reason, many space technologies