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stft

于 2017-11-22 发布 文件大小:3KB
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代码说明:

  信号处理中短时傅里叶变换(STFT)的实现,可用于实时系统,实时语音处理或者分段的FFT计算,亲测可用,拿走不谢!(The implementation of short time Fourier transform (STFT) in signal processing can be used for real-time system, real-time speech processing or segmented FFT calculation!)

文件列表:

lnshift.m, 524, 2005-03-20
shiftcir.m, 791, 2000-07-12
stft.m, 2260, 2005-03-20
istft.m, 1319, 2005-03-20
biorwin.m, 861, 2012-02-22

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  • cp003
    设计一个一维wiener滤波器,并以平稳信号加噪为输入,得到该平稳信号的估计信号,并求出最小均方误差。(Design a one-dimensional wiener filter, and to smooth the input signal plus noise to get the estimated signal of the stationary signal, and find the minimum mean square error.)
    2010-12-06 11:11:03下载
    积分:1
  • 相位差分法的实现 depha
    王丰华等提出的相位差分法的实现,主要用于信号处理中提取信号的瞬时频率。注意该方法只适用于单分量信号。另外一个是利用自相关法求瞬时频率(Wang Fenghua such as the phase difference method to achieve, mainly used for signal processing to extract the instantaneous frequency of the signal. Note that this method is only applicable to single-component signal)
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