音调干扰下扩频测控信号伪码跟踪误差分析与仿真

Analysis and Simulation on Code Tracking Performance of DS Signals for TT&C Under Tone Jamming

分析扩频测控信号在干扰环境下的性能,对研究测控系统具有重要意义。推导了音调干扰环境下DS/FH测控信号的伪码跟踪误差表达式;基于Matlab/Simulink搭建了伪码跟踪性能仿真平台,仿真分析了不同干扰条件下的伪码跟踪性能;验证了理论推导的正确性,得到了一些有意义的结论,为进一步研究提供了参考。

Studying the performance deterioration of direct sequence（DS） signals in interfered environment is of great importance to this system for telemetry tracking and command（TTC）.Expressions for code tracking performance of DS signals under tone jamming are deduced.Simulation platform is constructed using Matlab/Simulink,and the performance of code tracking is simulated and analyzed with different jamming condition.Monte-Carlo simulation and theoretical derivation results are consistent with each other and gain valuable conclusion which offers reference to the DS signals application for TTC.