Wide-band low-profile circular array of H-plane horn antennas

Yang, Lei; Wu, Wen; Shen, Zhongxiang

doi:10.1109/apmc.2012.6421924

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Design Of the Proposed Antenna A Basic Principle1

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2015

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“…Each H-plane horn is constructed from two side plates, back, upper and down walls and has a rectangle radiated aperture with dimensions of a×b. The designed horn is fed by a thick-cylinder-loaded probe and this fed structure acts as a λ/4 monopole [18]- [20]. Hence, the directivity D of the horn can be roughly estimated using the half power beamwidth (HPBW) of the H-plane radiation pattern θ 0.5 .…”

Section: Design Of the Proposed Antenna A Basic Principlementioning

confidence: 99%

A Four-Element Array of Wideband Low-Profile H-Plane Horns

Yang

Shen

et al. 2015

IEEE Trans. Veh. Technol.

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A wideband wide-coverage H-plane horn array with vertical polarization is proposed. Due to its light weight and low profile, the designed array is suitable for applications in spectrum monitoring systems on moving platforms. The switched-beam symmetrical array consists of four identical short H-plane horns. Pattern deterioration occurring in high frequency range is solved by inserting two pins in each horn. The measured impedance bandwidth is almost 100% for VSWR<2 owing to its fed structure with a thick-cylinder-loaded probe. The measured azimuth-plane beamwidth is about 90° over the entire frequency range from 860 MHz to 2500 MHz. Moreover, the measured results with the corresponding simulated ones are presented and discussed in this paper.Index Terms-H-plane horn, spectrum monitoring system, vehicular application, wide-band, wide-coverage. 0018-9545 (c)

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Section: Design Of the Proposed Antenna A Basic Principlementioning

confidence: 99%