(a) Frequency response of a square-shaped filter with orientation and (bandwidth ); (b) contour plot of this filter; (c), (d) frequency response and contour plot of one oriented filter; (e), (f) frequency response and contour plot for a square-shaped filter with and (bandwidth ).
(a)
(b)
(c)
(d)
(e)
(f)
We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.
