[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 Y)rK'OY'  
!dqC6a  
2d centered Fourier transform，居中的傅里叶变换 W5R/Ub@g  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3q]0gU&??  
% Citation for this code and algorithm: I,?NYIG"(  
% Tatiana Latychevskaia and Hans-Werner Fink _H
+]G"k/r  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", o0H^J,6gV  
% Appl. Optics 54, 2424 - 2434 (2015) -KiPqE%&G  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% &[ })FI  
% The code is written by Tatiana Latychevskaia, 2002 
km%r{  
% The version of Matlab for this code is R2010b *6s_7{
;  
e={O&9Z  
function [out] = FT2Dc(u0); 2I.FSR_G?  
`H'G"V  
[Nx, Ny] = size(1i,1j); 6#Vl3o(E|  
)UR$VL  
f1 = zeros(Nx,Ny); `G\ qGllX  
}+,Q&]>~  
for ii = 1:Nx i$Y#7^l%k  
    for jj = 1:Ny M Kyj<@[  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); |IAx!Z-P  
    end ,ri&zbB  
end UF9={fN1  
6uRE9h|  
FT = fft2(f1.*in); }QE.|.fA1  
uLdHE5vr  
out = f1.*FT; (hc!!:N~q  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教