mexhinfo.m
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上传日期:2013-01-09
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- function mexhinfo
- %MEXHINFO Information on Mexican Hat wavelet.
- %
- % Mexican Hat Wavelet
- %
- % Definition: second derivative of the Gaussian
- % probability density function
- %
- % mexh(x) = c * exp(-x^2/2) * (1-x^2)
- % where c = 2/(sqrt(3)*pi^{1/4})
- %
- % Family Mexican hat
- % Short name mexh
- %
- % Orthogonal no
- % Biorthogonal no
- % Compact support no
- % DWT no
- % CWT possible
- %
- % Support width infinite
- % Effective support [-5 5]
- % Symmetry yes
- %
- % Reference: I. Daubechies,
- % Ten lectures on wavelets,
- % CBMS, SIAM, 61, 1994, 75.
- % M. Misiti, Y. Misiti, G. Oppenheim, J.M. Poggi 12-Mar-96.
- % Last Revision: 01-May-1998.
- % Copyright 1995-2002 The MathWorks, Inc.
- % $Revision: 1.11 $