One additional remark. Fftshift might have been misused. Try instead: fft_clean=clean(fft2(Boug_corr)); // merge commands k= fftshift(k); Fup=fft_clean.*exp(-k*uc);
Regards, Rafael -----Original Message----- From: users <[email protected]> On Behalf Of Rafael Guerra Sent: Saturday, July 28, 2018 2:44 PM To: Users mailing list for Scilab <[email protected]> Subject: Re: [Scilab-users] FFT - upward continuation of a 2D grid Hi Lester, The spatial resolution of 0.016 m seems unrealistically too-finely sampled... Could you confirm the units? Also, it is possible that your upward continuation requires an angular wavenumber: exp(-2*%pi*k*uc) ? Regards, Rafael _______________________________________________ users mailing list [email protected] http://lists.scilab.org/mailman/listinfo/users
