| 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 Hc1S:RW
=$6z1] ;3
2d centered Fourier transform，居中的傅里叶变换
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% JQQP!]%}
% Citation for this code and algorithm: _p/
_t76s
% Tatiana Latychevskaia and Hans-Werner Fink [(U:1&x &
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", k3::5&
% Appl. Optics 54, 2424 - 2434 (2015) VSa\ X ~
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% V dp wZ
% The code is written by Tatiana Latychevskaia, 2002 6p%;:mDB
% The version of Matlab for this code is R2010b BtS#I[-p_
'` Eb].s*
function [out] = FT2Dc(u0); !E<y:$eH:
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[Nx, Ny] = size(1i,1j); @ l: \0cO
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f1 = zeros(Nx,Ny); xMNUy B{?
F )' kN2
for ii = 1:Nx '{+5+ J
for jj = 1:Ny .$5QM&
f1(ii,jj) = exp(1i*pi*(ii + jj)); {fe[$KQ
end _]btsv\)f
end &GF@9BXI3
f
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FT = fft2(f1.*in); o.IJ4'}aN
Vvk1 D(
out = f1.*FT; (27bNKr
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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