Research on New Progress and Key Technology of Space TT & C and Data Transmission System

With the continuous development of space system, the tracking ability, data transmission ability, and communication ability of TT & C network are required to be higher. This paper studies the development of foreign space TT & C and data transmission system, analyzes its development process and characteristics, summarizes the future development trend, and combs the key technologies of space TT & C and data transmission system. On this basis, analyzing the needs of China’s future space system to TT & C and data transmission system and presenting some suggestions.