时频分析，一个频率为100的正弦信号做WVD时频分析,做出图后有两个频率(100Hz和400Hz)-Time-frequency analysis, a sinusoidal signal with a frequency of 100 do WVD time-frequency analysis, make a diagram after the two frequencies (100Hz and 400Hz)

STFT语音信号的处理，用短时傅里叶变换进行语音信号的处理-STFT Processing a speech signal

时频分析短时功率谱，包含STFT以及GABOR展开- When short-term power spectrum frequency analysis, including STFT and GABOR Expand

《matlab信号处理》一书的配套源码，matlab信号处理例程，包括fft，stft，wv，小波，时频分析，等("MATLAB signal processing" book supporting source code, MATLAB signal processing routines, including FFT, STFT, WV, wavelet, time-frequency analysis, etc.)