fft2_rp.m

beamlet变化的工具箱

%  fft2_rp: Pseudopolar FFT
%   Usage
% 		RPFT = fft2_rp(x)
%   Inputs
%      im      n*n matrix (x,y)
%   Outputs:
%     RPFT      2n*2n matrix (theta,r)
%   Description:
%     Performs pseudopolar FFT on n*n matrix.
% 
%  Performs pseudopolar FFT on square n*n matrix..
%  The resulting 2n*2*n matrix has angles in columns and frequency in rows
% 
%  Uses PseudopolarFFT 
%  then corrects array to be OLD RP format, i.e. frequency along rows and
%  angle along column.
%
%
% Part of BeamLab Version:200
% Built:Friday,23-Aug-2002 00:00:00
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail [e-mail]
%
%
% Part of BeamLab Version:200
% Built:Saturday,14-Sep-2002 00:00:00
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail [e-mail]
%