[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 /r7xA}se^  
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2d centered Fourier transform，居中的傅里叶变换 zmhc\M?z  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +?)7l  
% Citation for this code and algorithm: ZxtO.U2  
% Tatiana Latychevskaia and Hans-Werner Fink F(VVb(\jd  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", e|k]te
  
% Appl. Optics 54, 2424 - 2434 (2015) 9dNB_  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% _<AkM"  
% The code is written by Tatiana Latychevskaia, 2002 ?s2-iuMPd  
% The version of Matlab for this code is R2010b &PJ;B)b  
sK#)k\w>  
function [out] = FT2Dc(u0); 
#Vum  
UNDl&C2vz  
[Nx, Ny] = size(1i,1j); WOn53|GQK  
{~9zuNi  
f1 = zeros(Nx,Ny); i|{psA  
1hw.gn*JK>  
for ii = 1:Nx =2$( tXL  
    for jj = 1:Ny HGYTh"R  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); s~OcL  5  
    end uG
ZGI;9f4  
end j sPavY  
6Amt75RY  
FT = fft2(f1.*in); CR$wzjP j  
(xo`*Q,+  
out = f1.*FT; >5t! Xt  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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