| 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 -Khb
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2d centered Fourier transform，居中的傅里叶变换 S[o R q
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 407;M%?'A
% Citation for this code and algorithm: aFwfF^\(|,
% Tatiana Latychevskaia and Hans-Werner Fink %dA7`7j
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", Y%]&h#F
% Appl. Optics 54, 2424 - 2434 (2015) [bJAh ` I
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6'vt
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% The code is written by Tatiana Latychevskaia, 2002 MA5BT q<&
% The version of Matlab for this code is R2010b ] e]l08
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function [out] = FT2Dc(u0); >,%7bq=T!
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[Nx, Ny] = size(1i,1j); U0%m*i
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f1 = zeros(Nx,Ny); t"Djh^= y
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for ii = 1:Nx "M5&&\uT
for jj = 1:Ny 9{V54ue;
f1(ii,jj) = exp(1i*pi*(ii + jj)); EL-1o0 2-
end cE0Kvqe`
end xT1{ O `
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FT = fft2(f1.*in); ~",,&>#[K
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out = f1.*FT; JK9}Kb};
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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