| 林深时见鹿 |
2020-05-29 09:44 |
相位恢复算法
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 XcA4EBRj
>RxZ-.,a
2d centered Fourier transform，居中的傅里叶变换 (jk jj7a
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ushQWP)
% Citation for this code and algorithm: Mg95us
% Tatiana Latychevskaia and Hans-Werner Fink d}b# "A
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", Dj> .)n
% Appl. Optics 54, 2424 - 2434 (2015) |B4dFI?
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ;w?zmj<Dm
% The code is written by Tatiana Latychevskaia, 2002 hHoc7
% The version of Matlab for this code is R2010b &hs)}uM&$
aO'$}rDf$
function [out] = FT2Dc(u0); ;W#G<M&n'
+bd/*^
[Nx, Ny] = size(1i,1j); SDV} bN
3}$ L4U
f1 = zeros(Nx,Ny); .+aSa?h_
1K,bmb xRt
for ii = 1:Nx 2o/}GIKj
for jj = 1:Ny 2P9h x5PiV
f1(ii,jj) = exp(1i*pi*(ii + jj)); Zx5vIm
end THK)G2
=
end FFH-Kw,
}?>30+42:
FT = fft2(f1.*in); /NLpk7r[\q
9 VkuYm,3
out = f1.*FT; ,Mc}U9)F
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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