[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 YW60q0:  
bqnNLs<N  
2d centered Fourier transform，居中的傅里叶变换 k=4N.*#`y  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Q2F+?w;,  
% Citation for this code and algorithm: S'_-G;g.  
% Tatiana Latychevskaia and Hans-Werner Fink ~s
]iy9i  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", A.EbXo/  
% Appl. Optics 54, 2424 - 2434 (2015) K%F,='P}  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% n1VaLD  
% The code is written by Tatiana Latychevskaia, 2002 9+{G8$Ai  
% The version of Matlab for this code is R2010b w6{TE(]zp  
q(.:9A*0  
function [out] = FT2Dc(u0); "F.;Dv9V[0  
vfE6Ggz  
[Nx, Ny] = size(1i,1j); (
+FfB"3]  
ak |WW]R  
f1 = zeros(Nx,Ny); R)RG[F#  
:=/>Vbd: )  
for ii = 1:Nx .tzG_  
    for jj = 1:Ny #7q7PYG4  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); fi$-;Gz  
    end I/L_@X<*r  
end }A7j/uy}s  
f,:9N5Z  
FT = fft2(f1.*in); EodQ*{l  
2L} SJUk*  
out = f1.*FT; 1][S#H/?  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

求大神指教