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2018•Unpublished venueRequires access

A Parabolic Reflector Antenna Fed by Double-Ridged Horn for Millimeter Band

Yarui Zhao, Zhiya Zhang, Guang Fu

Open publisher page 3 citations

Abstract

In this paper, a prime focus parabolic reflector antenna with small focal length to diameter ratio (F/D) is presented, which is fed by a wideband double-ridged conical horn operating at millimeter band. The design procedure of double-ridged horn demonstrates that shaping the sidewalls of the ridge horn significantly improves the radiation characteristics of the horn. Besides, the ridges are used to lower the cut-off frequency, hence increasing the antenna's bandwidth. The reflector antenna achieves wide impedance bandwidth for VSWR and a higher than 35 dBi beam gain within the frequency range of 28 to 40 GHz. The rationality of the design has been verified by HFSS 13.0.

About this research paper

What this paper is about

In this paper, a prime focus parabolic reflector antenna with small focal length to diameter ratio (F/D) is presented, which is fed by a wideband double-ridged conical horn operating at millimeter band. The design procedure of double-ridged horn demonstrates that shaping the sidewalls of the ridge horn significantly improves the radiation characteristics of the horn. Besides, the ridges are used to lower the cut-off frequency, hence increasing the antenna's bandwidth. The reflector antenna achieves wide impedance bandwidth for VSWR and a higher than 35 dBi beam gain within the frequency range of 28 to 40 GHz. The rationality of the design has been verified by HFSS 13.0.

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OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In this paper, a prime focus parabolic reflector antenna with small focal length to diameter ratio (F/D) is presented, which is fed by a wideband double-ridged conical horn operating at millimeter band. The design procedure of double-ridged horn demonstrates that shaping the sidewalls of the ridge horn significantly improves the radiation characteristics of the horn. Besides, the ridges are used to lower the cut-off frequency, hence increasing the antenna's bandwidth. The reflector antenna achieves wide impedance bandwidth for VSWR and a higher than 35 dBi beam gain within the frequency range of 28 to 40 GHz. The rationality of the design has been verified by HFSS 13.0.

Key concepts: Horn antenna, Feed horn, Optics, Standing wave ratio, Antenna measurement, Offset dish antenna, Cassegrain antenna, French horn

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