摘要
介绍了欧洲半导体激光星间链路实验(SILEX)计划及其后续空间激光通信的概况,分析SILEX计划中瞄准、捕获与跟踪(PAT)系统的主要设备及其性能指标,研究其PAT策略,给出了星间、星地激光通信的试验结果;梳理出中国发展空间激光通信的关键技术,提出了中国对地观测卫星数据传输的初步方案设想。
This paper introduces SILEX and the evolution of laser communication technology in Europe. It analyzes the PAT terminal design and the PAT strategy of SILEX. The experimental uplink and downlink results are showed. Based on the above, the key technologies are listed and a scheme of data transmission for Chinese earth observation satellites is presented.
出处
《航天器工程》
2013年第2期88-93,共6页
Spacecraft Engineering
