| 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 /!MVpi'6&
T:@7E L
2d centered Fourier transform，居中的傅里叶变换 b kc*it
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% C BoCT3@~
% Citation for this code and algorithm: K yyVO"
% Tatiana Latychevskaia and Hans-Werner Fink Uhr RB
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", .xuzu#-
% Appl. Optics 54, 2424 - 2434 (2015) !l=)$RJKdD
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% !^ad{# |X
% The code is written by Tatiana Latychevskaia, 2002 -cijLlz%+
% The version of Matlab for this code is R2010b e#, (a
DIw_"$'At
function [out] = FT2Dc(u0); gb|;]mk*"
g8l6bh$}
[Nx, Ny] = size(1i,1j); Uqb]&2
i/sk U9
f1 = zeros(Nx,Ny); 7RWgc]@?>
Fi67 "*gE
for ii = 1:Nx +'-.c "
for jj = 1:Ny wMj #.Jh
f1(ii,jj) = exp(1i*pi*(ii + jj)); o<%0|n_O&
end M2N8?Ycv3
end f*B-aj#
m./PRV1$x
FT = fft2(f1.*in); S<-nlBs.
;Xy=;Z.]i
out = f1.*FT; M;,$
)>P
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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