IDWILT Inverse discrete Wilson transform
Usage: f=idwilt(c,g);
f=idwilt(c,g,Ls);
Input parameters:
c : 2M xN array of coefficients.
g : Window function.
Ls : Final length of function (optional)
Output parameters:
f : Input data
IDWILT(c,g) computes an inverse discrete Wilson transform with window g.
The number of channels is deduced from the size of the coefficient array c.
The window g may be a vector of numerical values, a text string or a
cell array. See the help of WILWIN for more details.
IDWILT(f,g,Ls) does the same, but cuts of zero-extend the final
result to length Ls.
[f,g]=IDWILT(...) additionally outputs the window used in the
transform. This is usefull if the window was generated from a
description in a string or cell array.
References:
H. Boelcskei, H. G. Feichtinger, K. Groechenig, and F. Hlawatsch.
Discrete-time Wilson expansions. In Proc. IEEE-SP 1996 Int. Sympos.
Time-Frequency Time-Scale Analysis, june 1996.
Y.-P. Lin and P. Vaidyanathan. Linear phase cosine modulated maximally
decimated filter banks with perfectreconstruction. IEEE Trans. Signal
Process., 43(11):2525--2539, 1995.
Url: http://ltfat.github.io/doc/gabor/idwilt.html
See also: dwilt, wilwin, dgt, wilorth.
Package: ltfat