| 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 p^3d1H3
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2d centered Fourier transform，居中的傅里叶变换 "5FeP;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% GQQ6 t
% Citation for this code and algorithm: uW|y8 BP $
% Tatiana Latychevskaia and Hans-Werner Fink Obm\h*$
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", 0
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% Appl. Optics 54, 2424 - 2434 (2015) xFh}%mwpt[
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Ib C)F> Dq
% The code is written by Tatiana Latychevskaia, 2002 ]y/:#^M+
% The version of Matlab for this code is R2010b xae7#d0
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function [out] = FT2Dc(u0); mD:!"h/
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[Nx, Ny] = size(1i,1j); 1>LquZ+Kj
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f1 = zeros(Nx,Ny); v}U;@3W8U
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for ii = 1:Nx \hV FK6
for jj = 1:Ny W&nVVV8s@
f1(ii,jj) = exp(1i*pi*(ii + jj)); %$U+?lk}
end CEiG jo^
end NUseYU``
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FT = fft2(f1.*in); qp8;=Nfa
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out = f1.*FT; 5;+Bl@zGu
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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