[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 Xgm9>/y  
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2d centered Fourier transform，居中的傅里叶变换 :Ee5:S   
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% #D!3a%u0  
% Citation for this code and algorithm: jN
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% Tatiana Latychevskaia and Hans-Werner Fink |zL.PS  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", FdJC@Y-#uA  
% Appl. Optics 54, 2424 - 2434 (2015) ?)5M3lV3k  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |m7`:~ow  
% The code is written by Tatiana Latychevskaia, 2002 RwwX;I"o%  
% The version of Matlab for this code is R2010b LvS3c9|Aj  
K#{E87
G(  
function [out] = FT2Dc(u0); (.
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[Nx, Ny] = size(1i,1j); N,_ej@L8  
9/|i.2&  
f1 = zeros(Nx,Ny); ]j:Ikb}  
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for ii = 1:Nx )O%lh 8fI  
    for jj = 1:Ny |wj/lX7y  
         f1(ii,jj) = exp(1i*pi*(ii + jj));
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    end cWM|COXL+  
end K+mtuB]yr  
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FT = fft2(f1.*in); }Mo9r4}  
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out = f1.*FT; _>:g&pS/  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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