FY-1C卫星高分辨率云图传输技术

The Technology for High Resolution Picture Transmission of FY-1C Satellite

介绍了FY 1C星传输系统的任务、方案、主要技术指标和组成。系统采用极化隔离加带外频谱抑制的方法 ,达到了信道隔离的技术指标。概述了星载记录器由磁带记录器向固态记录器转变的技术因素以及磁带记录器、FLASH和DRAM固态记录器的研制过程。

The FY 1C satellite transmission system, including the mission, scheme, main specifications and system constitution is introduced. Polarization isolation and limiting frequency spectrum outside bandwidth are adopted in order to attain channel isolation specification. The technological factors of satellite borne recorder that is changed from a magnetic tape recorder to a solid state recorder are summed. The manufacture processes of the magnetic tape recorder, the FLASH and DRAM solid state recorder are described. On orbit testing and running state of the transmission system is briefly introduced.