摘要
阐述扩频通信的基本原理及其在数据链系统中的应用,使用Matlab/Simulink软件构建了猝发数据链系统的仿真系统模型,通过分析仿真结果,得到不同输入信号强度下信噪比与捕获概率的关系,验证了算法的正确性,同时通过对系统指标分配浅析,提出工程应用时中频接收机的动态范围扩展可以为接收系统带来性价比的提升。
The fundamental theory of spread spectrum communication and its application in the data link system are introduced. A burst mode data link model is established using Matlab/Simulink. According to the result, the relationship between SNR and capture probability in different signal strength situation is obtained. And the algorithm accuracy is proved as well. Meanwhile,with an analysis of system specification distribution, performanceprice improvement of the receiving system can be achieved by the extension of its IF receiver dynamic range in practical application.
出处
《现代电子技术》
2010年第3期29-32,共4页
Modern Electronics Technique
