| 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 hZ[E7=NTQ^
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2d centered Fourier transform，居中的傅里叶变换 c/Qt Ot
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "ZHW2l Mf
% Citation for this code and algorithm: _4TH4~cY
% Tatiana Latychevskaia and Hans-Werner Fink $Vsk Ew"|M
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", -g)9R%>-
% Appl. Optics 54, 2424 - 2434 (2015) $ m7?3/YG
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% :iFIQpk
% The code is written by Tatiana Latychevskaia, 2002 a-y+@#;2_
% The version of Matlab for this code is R2010b dG@"! !,
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function [out] = FT2Dc(u0); ]e >R K'
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[Nx, Ny] = size(1i,1j);
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f1 = zeros(Nx,Ny); YiYV>gaf"H
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for ii = 1:Nx MzPzqm<
for jj = 1:Ny AGH|"EWG
f1(ii,jj) = exp(1i*pi*(ii + jj)); qs|m j}?
end $\b$}wy*
end x2@U.r"zo
b'P eH\h{
FT = fft2(f1.*in); wpN k+;
}
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out = f1.*FT; 3:5 &Aa!
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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