... the wavelength is great, compared with the size of the object.corner effect A rounding off of the frequency re-sponse of a filter at the corner(s) [i.e., at the limit(s) of the passband].corner frequency ... couplingcapacitor between the output of the second stageand the input of the first stage; the stages are forward-coupled by a capacitor of the same value.cross coupling 1. The state of being cross-coupled(see, ... perpendicular to each other. 3. The point,and the region in the vicinity thereof, at whichthree intersecting plane surfaces meet. Generally, the plane surfaces are mutually perpendicular. 4. The passband...