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Horn Antenna

Horn Antenna

Hirokazu Kobayashi
Copyright: © 2020 |Pages: 34
ISBN13: 9781799823810|ISBN10: 1799823814|ISBN13 Softcover: 9781799823827|EISBN13: 9781799823834
DOI: 10.4018/978-1-7998-2381-0.ch008
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MLA

Kobayashi, Hirokazu. "Horn Antenna." Analyzing the Physics of Radio Telescopes and Radio Astronomy, edited by Kim Ho Yeap and Kazuhiro Hirasawa, IGI Global, 2020, pp. 144-177. https://doi.org/10.4018/978-1-7998-2381-0.ch008

APA

Kobayashi, H. (2020). Horn Antenna. In K. Yeap & K. Hirasawa (Eds.), Analyzing the Physics of Radio Telescopes and Radio Astronomy (pp. 144-177). IGI Global. https://doi.org/10.4018/978-1-7998-2381-0.ch008

Chicago

Kobayashi, Hirokazu. "Horn Antenna." In Analyzing the Physics of Radio Telescopes and Radio Astronomy, edited by Kim Ho Yeap and Kazuhiro Hirasawa, 144-177. Hershey, PA: IGI Global, 2020. https://doi.org/10.4018/978-1-7998-2381-0.ch008

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Abstract

One of the simple and most widely used microwave antennas is the horn as a feed element for large radio telescopes, satellite tracking, and communication reflector, which are found installed throughout the world. In addition to its utility as a feed for reflectors and lenses, it is a common element of phased arrays and serves as a universal standard for calibration and gain measurement of other high gain antennas. Its widespread applicability stems from its simplicity in construction, ease of excitation, large gain, wide-band characteristics, and preferred overall performance. An electromagnetic horn can take many different forms, such as basic pyramidal, conical, corrugated, double-ridged, and dual polarized horns, as well as horns with lens and so on. The horn is nothing more than a hollow pipe of different cross-sections, which has been tapered to a larger opening aperture. This chapter explains the fundamentals of the pyramidal horn antenna in detail using aperture field method. Numerical and measured examples, are also shown.

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