radial grating

radial grating

[′rād·ē·əl ′grād·iŋ]
(electromagnetism)
Conformal wire grating consisting of wires arranged radially in a circular frame, like the spokes of a wagon wheel, and placed inside a circular waveguide to obstruct E waves of zero order while passing the corresponding H waves.

radial grating

Nonrectangular grating, in which the bearing bars extend radially from a common center and the cross bars have a pattern of concentric circles.
References in periodicals archive ?
Some studies have used terms like radial targets, radial gratings, Polar gratings, windmill stimuli, and star-like, among others (e.g., Gallant, Braun, & Van Essen, 1993; Gallant, Connor, Rakshit, Lewis, & Van Essen, 1996; Tootell et al., 1998; Wilkinson et al., 2000).
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