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 dD!} P$ L5PN]<~T 2d centered Fourier transform,居中的傅里叶变换 9[8?'`m %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 0oM~e % Citation for this code and algorithm: gLu#M:4N % Tatiana Latychevskaia and Hans-Werner Fink
@(oz`|* % "Practical algorithms for simulation and reconstruction of digital in-line holograms", jh}[7M % Appl. Optics 54, 2424 - 2434 (2015) #d__ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% GHH1jJ_[7 % The code is written by Tatiana Latychevskaia, 2002 ~6{;3"^< % The version of Matlab for this code is R2010b lSQANC' |'1[\<MM3 function [out] = FT2Dc(u0); Gu&zplB t0Ec`+) [Nx, Ny] = size(1i,1j); 5C2 *f4| ^Cpvh}1# f1 = zeros(Nx,Ny); E!jM&\Z j 6
{5*9!v63 for ii = 1:Nx [4sbOl5yZ for jj = 1:Ny kG\+f>XQ f1(ii,jj) = exp(1i*pi*(ii + jj)); &Zq43~ end WG(tt. end a?&oOQd-iP K)F;^)KDHf FT = fft2(f1.*in); X[BKF8, k>U&Us0 out = f1.*FT; t$R|lv5< %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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