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Butterfly Panel Antenna

The proposed antenna is comprised of 2X4 perfectly electrically conducting (PEC) plates that are connected to the two edges of a rectangular PEC plate which is horizontal to the ground plane, as shown in Figure . The configuration mimics the shape of a butterfly. In general, the two PEC plates – two wings of the butterfly – can be circular, elliptical, or any shapes for impedance matching purpose. The antenna is implemented at a height h above the ground plane. In order to achieve the good impedance matching and desired radiation patterns, the angle alfa(11 degree) between the wing and the z-axis can be varied. The feed point of the antenna is located at its rectangular plate by a coaxial probe through a SubMiniature version a (SMA) connector.

 

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,,,and the simplified batwing variant...

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 A constructive variant with transmission lines behind the reflector...

 

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