[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 vm7ag 7@O  
z(u,$vZ_  
2d centered Fourier transform，居中的傅里叶变换 r~G amjS  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ~z(0XKq0d  
% Citation for this code and algorithm: <=Saf.  
% Tatiana Latychevskaia and Hans-Werner Fink I Z|EPzS  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", ?OPuv5!pI  
% Appl. Optics 54, 2424 - 2434 (2015) 0#NbAM
t  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% }qJ`nN8  
% The code is written by Tatiana Latychevskaia, 2002 }G "EdhSl  
% The version of Matlab for this code is R2010b w9StW94p  
I/%L,XyRI  
function [out] = FT2Dc(u0); /#z"c]#  
Xf{9rZ+  
[Nx, Ny] = size(1i,1j); _kc}:  
xSqr=^  
f1 = zeros(Nx,Ny); 9I:3  
)%b 5uZ  
for ii = 1:Nx l<qEX O  
    for jj = 1:Ny H|$ *HQm  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); #Cx#U"~G`  
    end Cd]g+R}j  
end A)gSOC{3F)  
e _(';Lk  
FT = fft2(f1.*in); Qp7F3,/#  
j"jQiL_*  
out = f1.*FT; 0Y'ow=8M  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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