[求助]相位恢复算法 [复制链接]

有会相位恢复算法的吗？能帮我看看下面的代码错哪儿了吗？不胜感激 4=%,0.yt  
cd~QGP_C  
2d centered Fourier transform，居中的傅里叶变换 &xvNR=K[`  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Pqj\vdzx  
% Citation for this code and algorithm: p.<d+S<  
% Tatiana Latychevskaia and Hans-Werner Fink eA3NyL  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", bMsThoePT
 
% Appl. Optics 54, 2424 - 2434 (2015) T24$lhM  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 'R2*3<  
% The code is written by Tatiana Latychevskaia, 2002 <IBUl}|\  
% The version of Matlab for this code is R2010b Dw 5Ze  
<WbO&;%  
function [out] = FT2Dc(u0); `Ba?4_>k  
0C3Y =
F  
[Nx, Ny] = size(1i,1j); >p#_L^oZ%  
Q/J<$W*,  
f1 = zeros(Nx,Ny); qG2P?DR  
;\f0II3  
for ii = 1:Nx JaR!9GVN7  
    for jj = 1:Ny KZ1m2R}'  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); o.Bbb=*rZ  
    end 0'Qvis[kt  
end ~eS/gF?  
ug'^$geM  
FT = fft2(f1.*in); ^jcVJpyT@R  
%tPy]{S..  
out = f1.*FT; GO*D4<#u  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教