Nested turnstile antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 21/26 (2006.01) H01Q 5/00 (2006.01) H01Q 19/10 (2006.01)

Patent

CA 2404406

A circularly polarized multifrequency antenna is described including a reflector (10) having a first side and a second side, a first crossed dipole pair (20a-d) having a first resonant frequency and a second crossed dipole pair (30a-d) having a second resonant frequency. The first and second dipole pair are symmetrically disposed on the first side of the reflector and configured to be fed with equal power in relative phase rotation of 0, 90, 180 and 270 degrees.

L'invention concerne une antenne multifréquence circulairement polarisée. Cette antenne comprend un réflecteur (10) possédant un premier et un second côtés, une première paire d'antennes doublet croisées (20 a-d) à une première fréquence de résonance, et une seconde paire d'antennes doublet croisées (30 a-d) à une seconde fréquence de résonance. Les première et seconde paires d'antennes doublet sont disposées symétriquement sur le premier côté du réflecteur, et sont configurées de façon à être alimentées également en puissance pendant une rotation de phase relative de 0 DEG , 90 DEG , 180 DEG et 270 DEG .

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