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WAVELET ECG
- ECG is feature extracted using eavelet transform
ddmt
- 快速傅里叶变换（Fast Fourier Transform，FFT），是离散傅里叶变换的快速算法，也可用于计算离散傅里叶变换的逆变换。快速傅里叶变换有广泛的应用，如数字信号处理、计算大整数乘法、求解偏微分方程等等。本条目只描述各种快速算法，对于离散傅里叶变换的性质和应用，请参见离散傅里叶变换。
fftw-3.3.3
- FFTW is a free collection of fast C routines for computing the Discrete Fourier Transform in one or more dimensions. It includes complex, real, symmetric, and parallel transforms, and can handle arbitrary array sizes efficiently. FFTW is typical
wavelet transform based codes
- wavelet transform based codes
s_transform
- s变换和反变换程序，Reference is "Localization of the Complex Spectrum: The S Transform" % from IEEE Transactions on Signal Processing, vol. 44., number 4, April 1996, pages 998-1001.