| 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 ;vc lAsJ
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2d centered Fourier transform，居中的傅里叶变换 KHus/ M&0
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% h!N&gZ[0
% Citation for this code and algorithm: T7,Gf({
% Tatiana Latychevskaia and Hans-Werner Fink _Q}RElA
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", N"x\YHp
% Appl. Optics 54, 2424 - 2434 (2015) ) .-(-6=R
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% aho<w+l @
% The code is written by Tatiana Latychevskaia, 2002 txfwLqx
% The version of Matlab for this code is R2010b ,o>pmaoL s
@oqi@&L'C
function [out] = FT2Dc(u0); h NOYFH
x\bR j>%(
[Nx, Ny] = size(1i,1j); YTjuSV
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f1 = zeros(Nx,Ny); v8vh~^X%P
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for ii = 1:Nx B
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for jj = 1:Ny mf;^b.mKh
f1(ii,jj) = exp(1i*pi*(ii + jj)); FSwgP IO>
end gj egzKU
end +z jzO]8
N]s 7/s
FT = fft2(f1.*in); qgC-@I
.f !]@"\
out = f1.*FT; @Wx`l) b
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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