Dual polarized multifilar antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 1/36 (2006.01) H01Q 9/06 (2006.01) H01Q 21/00 (2006.01) H01Q 21/24 (2006.01)

Patent

CA 2702671

Various embodiments are described of an antenna including a common ground plane, a first set of N approximately resonant elements with a length 12 and a second set of M approximately resonant elements with a length 11. The first set of N approximately resonant elements are wound to form a first helix with an initial diameter d2 and a height h2. The second set of M approximately resonant elements are wound in the opposite direction to the first set of N approximately resonant elements to form a second helix. The second helix is centrally disposed within the first helix, and d1 is less than d2 and h1 is greater than h2.

La présente invention propose divers modes de réalisation d'une antenne comprenant un plan de masse commun, un premier groupe d'environ N éléments résonants de longueur I2 et un second groupe d'environ M éléments résonants de longueur I1. Le premier groupe d'environ N éléments résonants est enroulé de façon à former une première hélice ayant un diamètre initial d2 et une hauteur h2. Le second groupe d'environ M éléments résonants est enroulé dans la direction opposée au premier groupe d'environ N éléments résonants de façon à former une seconde hélice. La seconde hélice est disposée au centre de la première, d1 étant inférieur à d2 et h1 étant supérieur à h2.

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