▍1. 演示程序
说明: 设计了跳频通信系统 产生了跳频信号 研究了 短时傅里叶变换 Gabor变换 基于时频稀疏性的方法对跳频信号进行研究(Output pseudo-random sequence Output frequency hopping signal time domain waveform Draw the time-frequency diagram of fH signal with several different time-frequency analysis methods The variation curve of the accuracy of fH periodic estimation with SNR under different output frequency analysis method)