H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/36 (2006.01) H01Q 9/04 (2006.01) H01Q 21/00 (2006.01) H01Q 21/06 (2006.01)
Patent
CA 2459387
An antenna array (20) (e.g., microstrip patch antenna) operates in a manner that exploits the particular susceptibility of the mutual coupling (22) effects between radiating elements (28) in the array (20). Various differential-mode excitation schemes are provided for determining optimal differential-mode voltages (V1, V2 or optimal differential-mode currents that are applied to the radiating elements (28) (e.g., microstrip patches) to thereby achieve certain desirable radiation characteristics including, for example, aiming a radiated beam in a prescribed direction, steering the beam, shaping the radiated beam, and/or optimizing the gain of the antenna in a specified direction.
L'invention concerne un réseau d'antennes (20) (par exemple, une antenne à plaque microruban) fonctionnant de manière à exploiter la susceptibilité particulière des effets de couplage (22) mutuels entre des éléments rayonnants (28) du réseau (20). Différents mécanismes d'excitation en mode différentiel permettent de déterminer des tensions optimales (V¿1?, V¿2?) ou des courants optimaux en mode différentiel appliqués audits éléments rayonnant (28) (par exemple, plaques microruban), ce qui permet d'obtenir certaines caractéristiques de rayonnement désirables notamment, par exemple, pointage d'un faisceau rayonné dans un sens prescrit, orientation dudit faisceau, mise en forme du faisceau rayonné et/ou optimisation du gain de l'antenne dans une direction spécifiée.
Fetherstonhaugh & Co.
The Trustees Of Columbia University In The City Of New York
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