摘要
研究了卫星通信链路上应用变换域通信系统(TDCS)进行隐蔽通信的可行性。根据卫星链路进行隐蔽通信的特点,通过引入通信有效性和信号隐蔽能力来分析TDCS卫星隐蔽通信的可行性,并以此推导了原业务信号存在条件下变换域通信系统的抗干扰能力,分析了卫星通信链路上重叠隐蔽信号对原业务信号的影响以及隐蔽信号的抗检测能力。研究结果表明:将卫星隐蔽通信与TDCS结合,能够提供抗干扰效果好、隐蔽能力强的隐蔽通信能力,具有重要的军事意义。
The feasibili of the covert communication in satellite link using transform domain com- s studied. According to the characteristics of the covert communication in satellite link, the efficiency of communications and feasibility of TDCS satellite covert communication concealment ability were introduced to analyze the Besides, the antijamming ability of TDCS was ob- tained with the coexistence of jamming, and then the effect of the overlapped covert signals in satellite link on original signals and the anti-detection of the covert signals are studied. The results show that sat- ellite covert communication combined with TDCS could supply better antijamming performance and con- cealment ability. Thus it has significant military meaning.
出处
《现代防御技术》
北大核心
2013年第5期53-57,69,共6页
Modern Defence Technology
基金
国家自然科学基金(60972042
61271250)
空军工程大学电讯工程学院研究生论文创新基金
关键词
卫星隐蔽通信
变换域通信系统
抗干扰
抗检测
satellite covert communication
transform domain communication system
antijamming
anti-detection
