一种MSK信号调制识别方法研究  

Research on Modulation Recognition Method of MSK Signals

作　　者：孟凡玮 滕振宇[1] 周帆[1] 

机构地区：[1]沈阳理工大学通信与网络工程中心,辽宁沈阳110159

出　　处：《计算机仿真》2014年第5期183-186,共4页Computer Simulation

基　　金：新世纪优秀人才支持计划(NCET-11-1013);辽宁省高校创新团队计划(LT2011005)

摘　　要：研究通信信号调制优化问题,最小频移键控(MSK)信号由于其良好的信号特性在通信系统中有着广泛的应用,尤其应用于军事通信领域。随着电子对抗技术研究的不断升温,研究MSK信号调制方式识别方法具有重要意义。针对MSK信号的特点,在未知信号参数的前提下,提取信号的特征参数进行分类识别,估计信号码元速率并与信号平方谱进行比对,最终完成MSK信号的调制方式识别。仿真结果表明,上述方法计算量小,提高了MSK识别的准确率,为工程实践提供了理论借鉴。Because of its good characteristics, minimum shift keying signal is widely used in communication system, especially in the field of military communication. As the development of the research on electronic countermeasures technology, it is significant to study the method of MSK modulation recognition. According to the characteristics of MSK signal, in the premise of unknown signal parameters, the method extracts feature parameters of signal to com- plete Classification and recognition, and compares estimated chip rate with the power spectrum of the second power of signal, completes the recognition for the modulation of MSK signal ultimately. The simulation results show that, the method has small amount of calculation, improves the accuracy of the recognition of MSK, and provides a theoretical reference in practice.

关 键 词：最小频移键控信号 特征参数 码速估计 调制方式识别 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]