一种基于信号特征统计的改进调频载波静噪算法

An improved frequency modulation carrier squelch algorithm based on the statistics of signal metrics

针对调频通信设备,文章提出了一种改进的静噪算法,改进算法提出了新的度量计算和新的判断逻辑。阐述了基于信号统计分析的静音/非静音阈值计算方法并给出仿真结果和硬件测试结果,结果证明:该算法在弱信号环境下能够比原始算法获得更好的性能。

In this paper,an improved noise suppression algorithm is proposed for FM communication equipment,and a new measurement calculation and new judgment logic are proposed.The calculation method of mute/non-mute threshold based on signal statistical analysis is described,and the simulation results and hardware test results are given.The results show that the algorithm can achieve better performance than the original algorithm in weak signal environment.