[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 L qdzqq  
UVj1nom   
2d centered Fourier transform，居中的傅里叶变换 +3%i7  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% $ Ov#^wfA  
% Citation for this code and algorithm: Z&Ao;=Gp1  
% Tatiana Latychevskaia and Hans-Werner Fink TATH,Sz:x  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", &p6^   
% Appl. Optics 54, 2424 - 2434 (2015) fw+ VR.#2H  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9G"-~C"e3  
% The code is written by Tatiana Latychevskaia, 2002 (043G[H'.  
% The version of Matlab for this code is R2010b 4N{5i)  
ruTj#tWSo  
function [out] = FT2Dc(u0); '
&j]~m  
d0CFMy6  
[Nx, Ny] = size(1i,1j); Od@<L  
Cv;\cI"&  
f1 = zeros(Nx,Ny); 8j<
+ ' R  
k:k!4  
for ii = 1:Nx ;|H(_J=6k  
    for jj = 1:Ny ^":Dk5gl  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); > g=u Y{Rf  
    end 1?N$I}?  
end k=8LhO  
;$>wuc'L  
FT = fft2(f1.*in); 9HJA:k*k|  
[V_?`M  
out = f1.*FT; sksop4gu5  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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