| 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 8R|!$P
TL u+5f
2d centered Fourier transform，居中的傅里叶变换 Nini8@d
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% N)yCGo
% Citation for this code and algorithm: >,%or cN
% Tatiana Latychevskaia and Hans-Werner Fink !UHWCJ<
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% "Practical algorithms for simulation and reconstruction of digital in-line holograms", ((0nJJjz
% Appl. Optics 54, 2424 - 2434 (2015) U<<@(d%T
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% RT C;Wj
% The code is written by Tatiana Latychevskaia, 2002 7m.#No>^
% The version of Matlab for this code is R2010b RfoEHN
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function [out] = FT2Dc(u0); P=3mLz-
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[Nx, Ny] = size(1i,1j); B|WM;Y^
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f1 = zeros(Nx,Ny); YMSZcI
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for ii = 1:Nx _(7f0p
for jj = 1:Ny z|Y M s?
f1(ii,jj) = exp(1i*pi*(ii + jj)); `:b*#@
end
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end j !c~%h P
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FT = fft2(f1.*in); LX'z7fh
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out = f1.*FT; ^cDHC^Wm
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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