comp_izak.m

linear time－frequency toolbox

function f=comp_izak(coef,a);
%COMP_IZAK  Compute inverse Zak transform
%   Usage:  f=comp_izak(coef,a);

L=size(coef,1);
W=size(coef,2);

% Workspace
s=zeros(L/a,a);

% Output
f=zeros(L,W);

for ii=1:W
  s(:)=coef(:,ii);
  sf=ifft(s).';
  f(:,ii)=sf(:);
end;

f=f*sqrt(L/a);