直扩通信系统中码跟踪环的抗干扰性能  

Anti-Jamming Performance of the Code Tracking Loop of DSSS Communication Systems

作　　者：陈勇[1] 田斌[1] 易克初[1] 资晓军[1] 

机构地区：[1]西安电子科技大学综合业务网国家重点实验室,西安710071

出　　处：《空间电子技术》2006年第B11期109-113,181,共6页Space Electronic Technology

摘　　要：同步是通信的基础。文章分析了直扩通信系统码跟踪中常用的一种非相关延迟锁定环在连续波(CW)干扰、高斯白噪声和部分频带干扰下的跟踪误差方差,并通过仿真验证了理论推导结果,所得的结论对于延迟锁定环路的分析和设计有重要意义。Synchronization plays an important role in the DSSS communication systems. This paper describes an incoherent DLL which is often used in code tracking, and analyses its tracking error variance based on three jamming patterns, namely the CW,wide -band and part -band jamming patterns. Simulation results demonstrated the conclusions derived from theoretic analysis. These conclusions are of interest to the design of DLL.

关 键 词：扩频通信 延迟锁定环 干扰 跟踪误差方差 

分 类 号：TN914.42[电子电信—通信与信息系统]