[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 Z!*Wn`d-k  
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2d centered Fourier transform，居中的傅里叶变换 ](%-5G1<  
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% Citation for this code and algorithm: {~Phc 2z  
% Tatiana Latychevskaia and Hans-Werner Fink J H6\;G6  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", $[IuEdc/  
% Appl. Optics 54, 2424 - 2434 (2015) IuRKj8J)o  
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% The code is written by Tatiana Latychevskaia, 2002 ^G5_d"Gr  
% The version of Matlab for this code is R2010b yXlzImPn  
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function [out] = FT2Dc(u0); htIV`_<Ro  
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[Nx, Ny] = size(1i,1j); b8>rUGA{  
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f1 = zeros(Nx,Ny); '#^ONnSTn  
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for ii = 1:Nx K4y4!zz  
    for jj = 1:Ny uZi]$/ic  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); /I="+  
    end B1 'Ds  
end BsRxD9r  
i:@00)V{,  
FT = fft2(f1.*in); O
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out = f1.*FT; {5:y,=Y  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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