基于AR自编码扩频的卫星测控通信技术  

An Satellite TT&C Telecommunication Technology based on AR-SESS

作　　者：刘辉峰[1] 

机构地区：[1]中国科学技术大学电子工程与信息科学系

出　　处：《信息安全与通信保密》2008年第8期57-60,共4页Information Security and Communications Privacy

摘　　要：文章介绍了卫星自编码扩频测控通信的原理和方案,提出了利用自回归滤波的方法从信源序列中提取扩频码的AR自编码扩频系统,并对该系统的误码性能进行了理论分析和仿真。分析与仿真结果表明,AR自编码扩频系统改善了普通自编码扩频系统的误码性能,降低了传输信号的截获率,为自编码扩频通信在卫星测控通信领域的应用提供了可选的方案。The principle of self-encoded spread spectrum for satellite TT＆C Telecommunication is presented. ARSESS system which employs AR filter technique to obtain the spreading codes from the source sequences is proposed. And the paper analyzes and simulates the Bit-Error-Rate （BER） performance of this system, The analysis and simulation show that AR-SESS improves the BER performance of the conventional SESS system and reduces probability of being detected. It provides a good choice for the satellite TT＆C Telecommunication application of the SESS system.

关 键 词：卫星测控通信 自编码扩频通信 谱估计 AR模型 误码性能 

分 类 号：TN919.72[电子电信—通信与信息系统]