Low-Sidelobe Multibeam Antennas Fed by Cluster Horns.
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| Title: | Low-Sidelobe Multibeam Antennas Fed by Cluster Horns. |
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| Authors: | Yamada, Yoshihide1, Kagoshima, Kenichi1, Kobayashi, Takehiko1 |
| Source: | Electronics & Communications in Japan, Part 1: Communications. May88, Vol. 71 Issue 5, p61-70. 10p. |
| Subjects: | Antennas (Electronics), Electronic equipment, Aperture antennas |
| Abstract: | A multibeam antenna fed by cluster horns can reduce sidelobe level, and a design method for determining antenna parameters is described as well as its electrical properties. The horn size and the antenna aperture diameter are determined, and a relation between the horn excitation amplitude distribution and the sidelobe level is discussed. Degradation of sidelobe level is given as a result of errors in horn size, frequency, and excitation amplitude. The received mode analysis method is optimized when horns are displaced from the focal point of the antenna, and the excitation distribution is determined. Finally, results re described of the present method, which is applied to the domestic satellite-borne multibeam antenna. [ABSTRACT FROM AUTHOR] |
| Copyright of Electronics & Communications in Japan, Part 1: Communications is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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