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SOQPSK信号的调制

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摘要 在遥测系统中,随着无线终端数量和数据传输速率的增长,对频谱效率的要求越来越高。而SOQPSK具有恒包络、相位连续特性,且频谱利用率高,使其波形受到欢迎。文章介绍了SOQPSK的信号模型和调制原理,并用Matlab仿真出信号波形。同时,对SOQPSK-TG信号的相位脉冲、相位图和信号功率谱进行分析,得出SOQPSK信号相位变化连续,频带利用率高。因此,SOQPSK在深空通信、航空遥测、无人飞行器等领域必将有更广泛的应用。
作者 雷雅鹃
出处 《信息通信》 2018年第11期21-22,共2页 Information & Communications
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