On Spacecraft TT&C Systems Development and Wideband Phased Array Radar Technologies

This paper analyzes the opportunity and challenge faced with the spacecraft TTC systems based on the technical development of spacecraft TTC systems and new emerging missions of space activities.It makes further promotion on the instrumentation power in several aspects and application of wideband phased array to TTC system.Finally the properties and performances of wideband radar,especially the wideband phased array radar,have systematically been analyzed.