The first chapter addresses the possibility and necessity of system updating by analyzing the present status of telemetry control & communication system and the application states of embedded linux system 文章首先分析了嵌入式系统特别是嵌入式linux系统的应用发展情况,根据中心目前的测控通信系统现状,提出利用嵌入式linux技术进行系统改造的可能性和必要性。