| 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 7;Lv_Y"b
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2d centered Fourier transform，居中的傅里叶变换 E
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% .x] pJ9
% Citation for this code and algorithm: |c2sJy j*
% Tatiana Latychevskaia and Hans-Werner Fink C[jX;//Jiu
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", 8mLW^R:`
% Appl. Optics 54, 2424 - 2434 (2015) h-O;5.m-P
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% !Ea9
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% The code is written by Tatiana Latychevskaia, 2002 1M_Vh s^
% The version of Matlab for this code is R2010b (~bx %
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function [out] = FT2Dc(u0); x)N QRd
o%`=+- K
[Nx, Ny] = size(1i,1j); QBi]gT@&g
$B<:SuV#
f1 = zeros(Nx,Ny); g]N'6La
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for ii = 1:Nx f8WI@]1F
for jj = 1:Ny SO STtuT
f1(ii,jj) = exp(1i*pi*(ii + jj)); IC8%E3
end ~: 0w%
end 4{vEW(
/d!
FT = fft2(f1.*in); fE)o-q6Z
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out = f1.*FT; dKD:mU",M
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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