| 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 A:sP%c;
rJd-e96
2d centered Fourier transform，居中的傅里叶变换 &eg@Z nPn
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ,}OQzK/"mP
% Citation for this code and algorithm: _32 o7}!x
% Tatiana Latychevskaia and Hans-Werner Fink ]'i}}/}u2
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", Wzh#dO?7
% Appl. Optics 54, 2424 - 2434 (2015) gAGcbepX
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9@p+g`o
% The code is written by Tatiana Latychevskaia, 2002 g9gyx/'*
% The version of Matlab for this code is R2010b nfr..4,:
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function [out] = FT2Dc(u0); Mg^3Y'{o
!Ie={BpzbZ
[Nx, Ny] = size(1i,1j); "g;}B"rG
u@[JX1&3"n
f1 = zeros(Nx,Ny); a*@4W3;7
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for ii = 1:Nx 3)py|W%X $
for jj = 1:Ny ,#=;V"~9
f1(ii,jj) = exp(1i*pi*(ii + jj)); -f[95Z3}
end ^5gB?V,
end K06&.>v_
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FT = fft2(f1.*in); o>4GtvA*
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out = f1.*FT; W \yaovAt
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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