| 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 ~)RKpRga\p
HuX{8nl a
2d centered Fourier transform，居中的傅里叶变换 x8]9Xe:_>O
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% D]I]I!2c
% Citation for this code and algorithm: 9Q!X~L|\ S
% Tatiana Latychevskaia and Hans-Werner Fink hb6UyN
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", .kB Z(`K
% Appl. Optics 54, 2424 - 2434 (2015) &DqeO8?Q
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "hwG"3n1
% The code is written by Tatiana Latychevskaia, 2002 )N) "O? W9
% The version of Matlab for this code is R2010b e[3 rz%'Q
aZe[Nos
function [out] = FT2Dc(u0); bS0z\!1
bd n{Y
[Nx, Ny] = size(1i,1j); IZ2c<B5&
QE:%u T
f1 = zeros(Nx,Ny); Cq7EdK;x
t/6t{*-w
for ii = 1:Nx n9J.]+@J
for jj = 1:Ny Z/z(P8#U\
f1(ii,jj) = exp(1i*pi*(ii + jj)); 0A~zu K
end ~%6GF57gC
end [6bK>w"v
%hYol89F
FT = fft2(f1.*in); TP6i SF
Ax#$z
out = f1.*FT; &{s`=IeN
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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