中文说明：
短时傅里叶变换，画出语音信号的三维时频图
English Description：
Short time Fourier transform, draw the three-dimensional time-frequency diagram of speech signal
Short time Fourier transform, draw the three-dimensional time-frequency diagram of speech signal
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中文说明：
短时傅里叶变换，画出语音信号的三维时频图
English Description：
Short time Fourier transform, draw the three-dimensional time-frequency diagram of speech signalDUANSHI_FULIYE_DONE_01.m
photo.docx