[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 hWX% 66  
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2d centered Fourier transform，居中的傅里叶变换 9<KAXr#  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% _cXqAo  
% Citation for this code and algorithm:  trAkcYd  
% Tatiana Latychevskaia and Hans-Werner Fink s8}@=]aA  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", &L^+BQ`O?  
% Appl. Optics 54, 2424 - 2434 (2015) ]\!?qsT3}  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Q[nEsYP  
% The code is written by Tatiana Latychevskaia, 2002 ;<leKcvhQ&  
% The version of Matlab for this code is R2010b o<N nV  
 EW3(cQbK  
function [out] = FT2Dc(u0); rwGKfoKI
 
)oyIe)  
[Nx, Ny] = size(1i,1j); V,$0p1?J  
je!-J8{  
f1 = zeros(Nx,Ny); Rz.?i+  
>Q(3*d >  
for ii = 1:Nx I :vs;-  
    for jj = 1:Ny at)~]dG  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); }mAa}{_  
    end |`cKD >  
end ^k9kJ+x^S2  
}K&7%N4LZ  
FT = fft2(f1.*in); 3g >B"t  
&}A[x1x06)  
out = f1.*FT; [D!jv"  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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