[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 4GmSG,]  
.j'@K+<45  
2d centered Fourier transform，居中的傅里叶变换 9-
X{x95]  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% S)Ub/`f{s  
% Citation for this code and algorithm: '#pMEVP  
% Tatiana Latychevskaia and Hans-Werner Fink C[Y%=\6'0  
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", vTe$77n
 
% Appl. Optics 54, 2424 - 2434 (2015) MpDdJ,  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% f4A4  
% The code is written by Tatiana Latychevskaia, 2002 SNopAACf1  
% The version of Matlab for this code is R2010b {="Su{i}}  
*Bb|N--jI  
function [out] = FT2Dc(u0); U{U:8==  
mE3SiR "  
[Nx, Ny] = size(1i,1j); }u
V?  
aHVdClD2o  
f1 = zeros(Nx,Ny); =+SVzK,+3  
Sm*Jysy`  
for ii = 1:Nx auyKLT3C  
    for jj = 1:Ny VDb,$i.Z0  
         f1(ii,jj) = exp(1i*pi*(ii + jj)); O=!)})YG  
    end *'AS^2'  
end yP1Y3Tga=  
%O4}i@Fe  
FT = fft2(f1.*in); E<98ahZ?l  
~_# Y,)S!z  
out = f1.*FT; N c&i) qh  
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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