| 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 ~,*b }O
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2d centered Fourier transform，居中的傅里叶变换 u,6~qQczE
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 5YrBW:_OI
% Citation for this code and algorithm: JY6
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% Tatiana Latychevskaia and Hans-Werner Fink &~W:xg(jN
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", q &d~
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% Appl. Optics 54, 2424 - 2434 (2015) ?Ae ve n
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ` hb%+-lj+
% The code is written by Tatiana Latychevskaia, 2002 __.+s32SS$
% The version of Matlab for this code is R2010b ) Yd?m0m*
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function [out] = FT2Dc(u0); ooQQ-?" m
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[Nx, Ny] = size(1i,1j); 1/ "WD?a
#t+d iR
f1 = zeros(Nx,Ny); / i77
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for ii = 1:Nx l'eyq}&
for jj = 1:Ny [KxF'm z9
f1(ii,jj) = exp(1i*pi*(ii + jj)); pxa(
end k1 !@^A
end %V nbmoO
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FT = fft2(f1.*in); s)pbS}L
hodgDrmO/
out = f1.*FT; X*\ J_
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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