一、引言在21世纪,我国卫星事业机遇与挑战并存。随着航天系统种类的不断增加,产品品种和各系统功能的日臻完善,卫星系统之间自成体系、条块分割的局面也逐渐形成,这是由于空间技术发展的历史过程和各种应用卫星的特殊性造成的。目前各空间系统获取的信息数量急剧增加,而不同系 I. Introduction In the 21st century, both the opportunities and challenges for China’s satellite industry exist side by side. As the types of aerospace systems continue to increase, the variety of products and the functions of various systems are improving day by day, the self-contained system and the fragmentation of satellite systems have also gradually taken shape. This is due to the historical process of the development of space technology and various application satellites Caused by the particularity. At present, the amount of information obtained by various space systems increases dramatically, but not in the same series