home *** CD-ROM | disk | FTP | other *** search
- function xhat = cceps(x)
- %CCEPS Complex cepstrum.
- % CCEPS(x) returns the complex cepstrum of the sequence x.
- % See also RCEPS, HILBERT, and FFT.
-
- % L. Shure 6-9-88
- % Copyright (c) 1988 by the MathWorks, Inc.
-
- % References:
- % [1] A.V. Oppenheim and R.W. Schafer, Digital Signal
- % Processing, Prentice-Hall, 1975.
- % [2] Programs for Digital Signal Processing, IEEE Press,
- % John Wiley & Sons, 1979, algorithm 7.1.
-
- h = fft(x);
- logh = log(abs(h))+sqrt(-1)*rcunwrap(angle(h));
- xhat = real(ifft(logh));
-