Estimation of Direction of Arrival of VHF Radio Wave by Interferometers

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2016/05/01

タイトル(英語): Estimation of Direction of Arrival of VHF Radio Wave by Interferometers

著者名: Hiroyuki Nakata (Graduate School of Engineering, Chiba University), Koji Kawai (Graduate School of Engineering, Chiba University), Shin-ya Akiyama (Graduate School of Engineering, Chiba University), Takeo Chida (Graduate School of Engineering, Chiba Unive

著者名(英語): Hiroyuki Nakata (Graduate School of Engineering, Chiba University), Koji Kawai (Graduate School of Engineering, Chiba University), Shin-ya Akiyama (Graduate School of Engineering, Chiba University), Takeo Chida (Graduate School of Engineering, Chiba University), Ryuichi Tanaka (Graduate School of Engineering, Chiba University), Yohei Kawamura (Faculty of Engineering, Chiba University), Toshiaki Takano (Graduate School of Engineering, Chiba University), Shin Shimakura (Graduate School of Engineering, Chiba University)

キーワード: VHF，interferometer，direction of arrival，ionosphere，troposphere

要約(英語): In order to examine the direction of arrival of VHF radio waves dependent on the natural phenomena, the interferometers have been installed at Katsuyama, Chiba Prefecture and Numata, Gunma Prefecture. In this study, the radio wave at the frequency of 77.1 MHz transmitted from Tokyo Tower (assigned to FM broadcasting of the Open University of Japan) is observed. The interferometers consist of four Yagi antennas and estimate the directions of arrivals of the radio wave. The observational results show that the directions of the wave are affected by the disturbances in the ionosphere and the atmosphere. In this paper, the system of the interferometers is described and the examples of the observation results are presented.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.136 No.5 （2016） 特集：電磁界を用いた自然災害軽減のための観測・予測・解析技術

本誌掲載ページ: 278-285 p

原稿種別: 論文／英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/136/5/136_278/_article/-char/ja/