| 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 fhp+Ep!0Y
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2d centered Fourier transform，居中的傅里叶变换 +ak<yV1=
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% .1@8rVp7
% Citation for this code and algorithm: nu<kx
% Tatiana Latychevskaia and Hans-Werner Fink bPL.8hX
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", \5q0nB@i5y
% Appl. Optics 54, 2424 - 2434 (2015) gc"A Tc
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% X[;-SXq
% The code is written by Tatiana Latychevskaia, 2002 O ,Sqh$6U
% The version of Matlab for this code is R2010b w dp d`
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function [out] = FT2Dc(u0); q Xj]O3
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[Nx, Ny] = size(1i,1j); 4^u wZ:
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f1 = zeros(Nx,Ny); |j w{7\+
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for ii = 1:Nx 6EY W:o
for jj = 1:Ny -q")qNt.
f1(ii,jj) = exp(1i*pi*(ii + jj)); OY'6 ~w9
end U3rpmml
end <%ZlJ_cM
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FT = fft2(f1.*in); U+7!Vpq
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out = f1.*FT; tFrNnbmlQ
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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