[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 bR6bS7$  
;% !?dH6  
2d centered Fourier transform，居中的傅里叶变换 PLY7qMw  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% {'ZnxK'  
% Citation for this code and algorithm: K7l{&2>?  
% Tatiana Latychevskaia and Hans-Werner Fink ?eO|s5r  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", ;|^fAc~9{r  
% Appl. Optics 54, 2424 - 2434 (2015) {0LdLRNZ  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% S;c=6@"  
% The code is written by Tatiana Latychevskaia, 2002 67g/(4&  
% The version of Matlab for this code is R2010b f*
5"Jh@  
='JX_U`A^F  
function [out] = FT2Dc(u0); )} #r"!  
"Dk:r/  
[Nx, Ny] = size(1i,1j); 2 g8PU$T  
hB.dqv]^  
f1 = zeros(Nx,Ny); j>T''Tf  
Qm-P& g-  
for ii = 1:Nx ES~]rPVS  
    for jj = 1:Ny 4|e#b(!  
         f1(ii,jj) = exp(1i*pi*(ii + jj));
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    end t}tKm  
end v\ox:C  
Vg+SXq6G  
FT = fft2(f1.*in); m\>x_:sE  
g3Q #B7A  
out = f1.*FT; 9mnON~j5  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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