| 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 dtM@iDljj
5.[{PJ]bq
2d centered Fourier transform，居中的傅里叶变换 ''BP4=r5 n
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% &F'v_9
% Citation for this code and algorithm: U&3*c +B4
% Tatiana Latychevskaia and Hans-Werner Fink
|k/; .
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", Hs=!.tZ,
% Appl. Optics 54, 2424 - 2434 (2015) |7`Vw Z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% R~ w(]
% The code is written by Tatiana Latychevskaia, 2002 p!ae L}g`
% The version of Matlab for this code is R2010b BQS9q 'u_
4!k={Pd
function [out] = FT2Dc(u0); : 6>H\
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[Nx, Ny] = size(1i,1j); cfeX (0
;mi0Q.
f1 = zeros(Nx,Ny); DAu|`pyC%
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for ii = 1:Nx xk|$Oa
for jj = 1:Ny
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f1(ii,jj) = exp(1i*pi*(ii + jj)); U*&ZQw
end 0"2 [I
end GmL |7 6
~2H7_+.#
FT = fft2(f1.*in); uAj GR
BRD'5 1]|
out = f1.*FT; [ V)sCAW
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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