[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 #8|NZ6x,  
6K0*?j{;"  
2d centered Fourier transform，居中的傅里叶变换 o%5Ao?z~  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5q>u }J  
% Citation for this code and algorithm: xKux5u_  
% Tatiana Latychevskaia and Hans-Werner Fink sva$@y7b  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", M 4?3l  
% Appl. Optics 54, 2424 - 2434 (2015) xI8*sTx 6  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% GUXX|W[6  
% The code is written by Tatiana Latychevskaia, 2002 Br??Gdd  
% The version of Matlab for this code is R2010b 1 j8,Zrg1  
+[DVD  
function [out] = FT2Dc(u0); R[t[M}q  
\ed(<e>  
[Nx, Ny] = size(1i,1j); uIwyan-  
D1k]  
f1 = zeros(Nx,Ny); eL!6}y}W  
de=T7,G#  
for ii = 1:Nx iiscm\  
    for jj = 1:Ny n]!H,Q1,T  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); K-5)Y+| >  
    end p04w83 jX  
end hT#mM*`  
Q0-~&e_'  
FT = fft2(f1.*in); zYsGI<4  
>MH@FnUL  
out = f1.*FT; "k/@tX1:R  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教