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MSK信号具有包络恒定、相位连续的优点,被广泛应用于无线通信领域.笔者对MSK信号的解调算法进行了分析总结,将MSK信号的解调算法分为最大似然序列检测法、逐码元检测法;综述了这两类算法的原理,并分析了其优点及存在的问题,然后对这些解调算法进行系统仿真及运算复杂性比较.文章最后结合MSK信号的应用前景分析了突发MSK信号的解调技术.
MSK signal has the advantages of constant envelope and continuous phase and is widely used in wireless communication field.The author analyzes and summarizes the demodulation algorithm of MSK signal and divides the demodulation algorithm of MSK signal into maximum likelihood sequence detection method The principle of these two kinds of algorithms is summarized, the advantages and the existing problems are analyzed, and then the simulation of these demodulation algorithms and the comparisons of their computational complexity are made.At the end of this paper, the application prospects of MSK signals are analyzed MSK signal demodulation technology.