Phased array antenna absorber and associated methods

Details Phased array antenna absorber and associated methods Phased array antenna absorber and associated methods

H - Electricity

01

Q

H01Q 9/28 (2006.01) H01Q 1/36 (2006.01) H01Q 1/38 (2006.01) H01Q 15/02 (2006.01)

Patent

CA 2534732

A phased array antenna (100) includes a substrate (104), and an array of dipole antenna elements (40) on the substrate (104). Each dipole antenna element (40) includes a medial feed portion (42), and a pair of legs (44) extending outwardly therefrom. Each dipole antenna element (40) further includes a passive load (304), and a switch (302) connected thereto for selectively coupling the passive load (304) to the medial feed portion (42) so that the dipole antenna element (40) selectively functions as an absorber for absorbing received signals while the passive load (304) dissipates energy associated therewith.

L'invention concerne une antenne à réseau à éléments en phase (100) comprenant un substrat (104) et un réseau d'éléments d'antenne dipôle (40) disposés sur ledit substrat (104). Chaque élément d'antenne dipôle (40) comprend une partie d'alimentation (42) médiale et une paire de pattes (44) s'étendant vers l'extérieur. Chaque élément d'antenne dipôle (40) comprend également une charge passive (304) et un commutateur (302) connecté à cette charge afin de connecter de manière sélective la charge passive (304) à la partie d'alimentation (42) médiale, de sorte que ledit élément d'antenne dipôle (40) fonctionne, de manière sélective, comme un absorbeur permettant d'absorber les signaux reçus pendant que la charge passive (304) dissipe l'énergie associée à ces signaux.

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