| 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 ;q&>cnLDR
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2d centered Fourier transform，居中的傅里叶变换 G!54 e
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% }cll ? 2
% Citation for this code and algorithm: $ #C$V>
% Tatiana Latychevskaia and Hans-Werner Fink ! 5}Ibb
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", X }yEMe {T
% Appl. Optics 54, 2424 - 2434 (2015) 7K`A2
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% xOjCF&W
% The code is written by Tatiana Latychevskaia, 2002 D'>yu"
% The version of Matlab for this code is R2010b MdWT[
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function [out] = FT2Dc(u0); j"E_nV:Qc
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[Nx, Ny] = size(1i,1j); 9 z,?DBMvc
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f1 = zeros(Nx,Ny); L!-@dz
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for ii = 1:Nx 'Z-jj2t}
for jj = 1:Ny h]<Ld9
f1(ii,jj) = exp(1i*pi*(ii + jj)); EeKEw
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end "6n~, $
end
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FT = fft2(f1.*in); ;""V s6
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out = f1.*FT; un[Z$moN"
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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