billboard array

billboard array

[′bil‚bȯrd ə′rā]
(electromagnetism)
A broadside antenna array consisting of stacked dipoles spaced one-fourth to three-fourths wavelength apart in front of a large sheet-metal reflector. Also known as bedspring array; mattress array.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Many planar arrays, such as the billboard array [1], open box array [2], and the two-dimensional nested array [3], can estimate the azimuth and elevation angles of sources simultaneously.