Xバンドレーダで観測した起伏のある地形のグランドクラッタの統計的性質

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: 2018/05/01

タイトル(英語): Amplitude Statistics of Ground Clutter from Rolled Topography Observed by an X-band Radar

著者名: 佐山　周次（防衛大学校通信工学科），石井　誠四郎（鎌上設計積算事務所）

著者名(英語): Shuji Sayama (Department of Communications Engineering, National Defense Academy), Seishiro Ishii (KAMAKAMI Design and Quantity Surveyor Office)

キーワード: Xバンドレーダ，グランドクラッタ，混合型分布，赤池情報量規準　　X-band radar，ground clutter，compound distribution，AIC

要約(英語): We have observed ground clutter from rolled topography using an X-band radar with a frequency of 9.41GHz, a beamwidth of 1.0°, a pulsewidth of 0.5μs, and a pulse-repetition frequency of 1,600Hz. To investigate such ground clutter amplitude statistics, we introduce a compound distribution and the Akaike Information Criterion (AIC). We have found that the ground clutter amplitude obey the compound log-Weibull distribution with the shape parameters of c1 = 9.19, c2 = 12.37 for entire data and the compound log-normal, Weibull, log-Weibull, and gamma distributions with the shape parameters of σ1 = 0.544, σ2 = 0.139, c1 = 2.94 to 3.05, c2 = 3.15 to 3.48, c1 = 8.23 to 9.61, c2 = 12.81 to 59.60, and α1 = 4.32 to 4.99, α2 = 24.56 to 70.19, respectively, for data within the beam width of an antenna. The number of the smallest AIC (MAIC) of the compound log-normal, Weibull, log-Weibull, and gamma distributions are 1, 2, 17, and 3, respectively, from 23 range sweep numbers.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.138 No.5 （2018） 特集：イノベーションを創出する最新の計測技術2017

本誌掲載ページ: 230-236 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/138/5/138_230/_article/-char/ja/