Hybrid elliptic TEM horn with internal fins

Malherbe, J.A.G.

doi:10.1109/apwc.2012.6324982

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“…identical directivity vs. θ performance for all values of φ) is difficult to achieve over similar bandwidths. The improvement of the radiation properties of these horns has been the topic of various papers over the years, most recently by Malherbe who uses specialised plate width and plate separation functions [1], [3], and vertical ridges in the horn [2] respectively, and Hradecky [4] using dielectric lenses. An interesting variation which replaces the straight edge of the horn with a curved arc (in this case a concave arc) was introduced by Karshenas et.…”

Section: Introductionmentioning

confidence: 99%

Exponential TEM horn with a convex triangular arc

2013

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TEM ahorn antennas are well known for their ultra-wideband capabilities and are widely used. However, axial symmetry of the radiation pattern over such a wide frequency band is difficult to achieve. In this paper, a modification is proposed to the exponential TEM horn in the form of a convex triangular arc at the mouth of the antenna. The modification improves the axial symmetry over a wide bandwidth.

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Section: Introductionmentioning

confidence: 99%