Wideband phased array antenna and associated methods

Details Wideband phased array antenna and associated methods Wideband phased array antenna and associated methods

H - Electricity

01

Q

H01Q 21/06 (2006.01) H01Q 9/28 (2006.01) H01Q 21/00 (2006.01)

Patent

CA 2425941

A wideband phased array antenna includes an array of dipole antenna elements on a flexible substrate. Each dipole antenna element has a medial feed portion and a pair of legs extending outwardly, and adjacent legs of adjacent dipole antenna elements have respective spaced apart end portions to provide increased capacitive coupling between the adjacent dipole antenna elements. Each leg has an elongated body portion, and an enlarged width end portion connected to an end of the elongated body portion. A phased array antenna with a wide frequency bandwidth and a wide scan angle is obtained by utilizing tightly packed dipole antenna elements with large mutual capacitive coupling.

antenne réseau synchronisée, à bande large, comprenant une batterie d'éléments d'antenne dipôles sur un substrat flexible. Chaque élément d'antenne dipôle comporte une partie d'alimentation médiale et une paire de jambages tournés vers l'extérieur. Les jambages des éléments d'antenne dipôles adjacents présentent des parties d'extrémité espacées de manière à établir un couplage capacitif accru entre des éléments d'antenne dipôles adjacents. Chaque jambage présente une partie allongée avec une zone d'extrémité élargie. Une forte concentration d'éléments d'antenne dipôles avec couplage capacitif mutuel élevé permet d'obtenir une antenne réseau à grande largeur de bande et angle de balayage important.

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