| 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 z_=V6MDM
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2d centered Fourier transform，居中的傅里叶变换 4CtWEq
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Jl6lZd(Np
% Citation for this code and algorithm: L4ct2|w}ul
% Tatiana Latychevskaia and Hans-Werner Fink }: u -l3e
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", O O XP1L
% Appl. Optics 54, 2424 - 2434 (2015) (Q&O'ng1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
D F=Rd#
% The code is written by Tatiana Latychevskaia, 2002 K`j:F>b
% The version of Matlab for this code is R2010b #3{{[i(;i
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function [out] = FT2Dc(u0); O<$j}?2
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[Nx, Ny] = size(1i,1j); o9yUJ@
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f1 = zeros(Nx,Ny); V6h8+|hK
7TU xdI
for ii = 1:Nx /1D.Ud^
for jj = 1:Ny $dWYu"2C D
f1(ii,jj) = exp(1i*pi*(ii + jj)); FD~
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end 8H T3C\$s
end c.5u \ I9"
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FT = fft2(f1.*in); "zz b`T[8
'i : lV'
out = f1.*FT; .6I'V3:Kg
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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