| 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 aq@8 "b(.
~XmLX)vO/
2d centered Fourier transform，居中的傅里叶变换 i=oU;7~zK
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% Citation for this code and algorithm: 8p:e##%
% Tatiana Latychevskaia and Hans-Werner Fink VL` z[|e @
% "Practical algorithms for simulation and reconstruction of digital in-line holograms", Rx=>6,)'
% Appl. Optics 54, 2424 - 2434 (2015) {C N~S*m
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% :x4|X8>
% The code is written by Tatiana Latychevskaia, 2002 4p,EBn9(
% The version of Matlab for this code is R2010b =E#%'/ A;c
%2{ %Obp'
function [out] = FT2Dc(u0); ud'-;W
.Z
`av n
[Nx, Ny] = size(1i,1j); e 9U9Uu[
[R ^i F
f1 = zeros(Nx,Ny); n aR0@Q"\h
4i(JZN?
for ii = 1:Nx n|R J;d30Q
for jj = 1:Ny U`NjPZe5^
f1(ii,jj) = exp(1i*pi*(ii + jj)); VoWNW
end +b3RkkC
end AW!?"xdZ
T^k7o^N>
FT = fft2(f1.*in); 2Ay * kmW
m4hg'<<V
out = f1.*FT; /)}q Xx&
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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