土壌含水率推定を目的とした含水土壌の中波帯複素誘電率計測とその表面インピーダンス
土壌含水率推定を目的とした含水土壌の中波帯複素誘電率計測とその表面インピーダンス
カテゴリ: 論文誌(論文単位)
グループ名: 【C】電子・情報・システム部門
発行日: 2023/08/01
タイトル(英語): Complex Dielectric Constant and Surface Impedance of Hydrous Soil for Estimation of Water Content in Soil in Medium Wave Bands
著者名: 木下 拓真(独立行政法人国立高等専門学校機構 呉高専),黒木 太司(独立行政法人国立高等専門学校機構 呉高専),宮本 和哉(宮本機器開発(株))
著者名(英語): Takuma Kinoshita (National Institute of Technology, Kure College), Futoshi Kuroki (National Institute of Technology, Kure College), Kazuya Miyamoto (Miyamoto Device Development Co. Ltd.)
キーワード: 中波,複素誘電率,土壌含水率 medium waves,complex dielectric constants,water content of hydrous soil
要約(英語): The number of landslides in Japan has been increasing in recent years. Because the main cause of landslides is to increase the water content in soil, the complex dielectric content of the hydrous decomposed granite was measured at 1MHz frequency to estimate the water content of the decomposed granite by receiving the AM broadcasting radio waves. The relative dielectric constant was changed from 3 to 20 versus the water content from 0 % to 20 %, and the loss tangent was also changed from 0.1 to 50 in the same range of the water content. It was obvious that the water content in soil may be estimated by investigating the propagation characteristics of the AM broadcasting radio waves.
本誌掲載ページ: 776-777 p
原稿種別: 研究開発レター/日本語
電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/143/8/143_776/_article/-char/ja/
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