| 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 =f
FTi1]/h
&bh% >[
2d centered Fourier transform，居中的傅里叶变换 dm;C @.ML
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75>)1H)Xm
% Citation for this code and algorithm: #3f S_;G
% Tatiana Latychevskaia and Hans-Werner Fink w6b\l1Z
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", 1rnbUE
% Appl. Optics 54, 2424 - 2434 (2015) =g]Ln)jc
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% K x8>
% The code is written by Tatiana Latychevskaia, 2002 EbG`q!C
% The version of Matlab for this code is R2010b 3Ryae/Nk
ymNL`GYN[
function [out] = FT2Dc(u0); vdhwFp~Y
8`I/\8;H'p
[Nx, Ny] = size(1i,1j); ;v}f7v '
0uw3[,I
f1 = zeros(Nx,Ny); Bu%TTbnz_G
]]R!MnU:$
for ii = 1:Nx >~+'V.CNW
for jj = 1:Ny G7|CwzMg
f1(ii,jj) = exp(1i*pi*(ii + jj)); *x0nAo_n
end zB/)_AW
end p3e_:5k
XGs
d"UW
FT = fft2(f1.*in); .}xF2'~E/
fo$5WTY
out = f1.*FT; &Fw8V=Pw
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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