[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 ]e.+u  
G 7]wg>*  
2d centered Fourier transform，居中的傅里叶变换 >n~p1:$  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% P;%QA+%7  
% Citation for this code and algorithm: v|@n8ED|@K  
% Tatiana Latychevskaia and Hans-Werner Fink cEdJn
@ ,  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", pXv[]v  
% Appl. Optics 54, 2424 - 2434 (2015) 6ZpcT&yL  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% #&83;uys  
% The code is written by Tatiana Latychevskaia, 2002 %>2t=)T  
% The version of Matlab for this code is R2010b <y!r~?  
A#S:_d  
function [out] = FT2Dc(u0); &.hRVW(  
L_"(A #H:  
[Nx, Ny] = size(1i,1j); n-3j$x1Ne  
,,@`l\Pgd  
f1 = zeros(Nx,Ny); `HG19_Z  
=jc8=h[F<  
for ii = 1:Nx Lc<xgN+cJ  
    for jj = 1:Ny K9Xd? ]a  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); 2j7d$y*'  
    end b',bi.FH  
end vQmackY  
@z
)tC@  
FT = fft2(f1.*in); Tki/d\!+  
wp.e3l  
out = f1.*FT; @O}j:b  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教