| 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 X] TG<r
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2d centered Fourier transform，居中的傅里叶变换 EeE7#$l
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% I3L<[-ZE
% Citation for this code and algorithm: 0*3R=7_},o
% Tatiana Latychevskaia and Hans-Werner Fink VPJElRSH
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", {UI+$/v#
% Appl. Optics 54, 2424 - 2434 (2015) E4jNA }3k+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
=4YhG;%
% The code is written by Tatiana Latychevskaia, 2002 Rsm^Z!sn
% The version of Matlab for this code is R2010b 6xx ?A>:
7;(`MIFXs
function [out] = FT2Dc(u0); q"lSZ;
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ASA,{w]
[Nx, Ny] = size(1i,1j); q6luUx,@m
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f1 = zeros(Nx,Ny); JG rWHIsNV
$ bR~+C
for ii = 1:Nx R r]H y^w
for jj = 1:Ny cKI9#t_
f1(ii,jj) = exp(1i*pi*(ii + jj)); 194)QeoFw
end C ;W"wBz9
end <)H9V-5aZ
b2Fe<~S{
FT = fft2(f1.*in); oJz^|dW
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out = f1.*FT; +~$ ]} %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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