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フジタ ケイスケ
FUJITA KEISUKE
藤田 佳祐 所属 前橋工科大学 工学部 システム生体工学科 前橋工科大学 工学部 情報・生命工学群 職種 助教 |
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| 言語種別 | 英語 |
| 発行・発表の年月 | 2023/08 |
| 形態種別 | 研究論文（国際会議プロシーディングス） |
| 査読 | 査読あり |
| 標題 | Wideband Spherical Helix Antenna with Multi-mode Excitation |
| 執筆形態 | 共著 |
| 掲載誌名 | Proc. of 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) |
| 掲載区分 | 国外 |
| 総ページ数 | 3 |
| 担当区分 | 最終著者,責任著者 |
| 著者・共著者 | ◎Takuma Shimada, Mina Nishie, Keisuke Noguchi, Keisuke Fujita |
| 概要 | An electrically small spherical helix antenna (SHA) with a transmission line structure was developed to achieve wideband characteristics using multi-mode excitation. The proposed antenna was designed using numerical simulation and was fabricated to validate the radiation characteristics, including the voltage standing wave ratio (VSWR) bandwidth VSWR ≤3. It is found that the proposed antenna can achieve wideband characteristics for a SHA with a small Q factor. Good agreement of the impedance and radiation efficiency is observed between the numerical and experimental results. The relative bandwidth ratio was 26.0% when the antenna size was 0.08 of a wavelength. |