Polarimetric Scattering Analysis for a Finite Dihedral Corner Reflector(Sensing)

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概要

• 論文の詳細を見る

• This paper examines polarimetric scattering characteristics caused by a dihedral corner reflector of finite size. The dihedral corner reflector is a basic model of double-bounce structure in urban area. The detailed scattering information serves the interpretation of Polarimetric Synthetic Aperture Radar (POLSAR) data analysis. The Finite-Difference Time-Domain (FDTD) method is utilized for the scattering calculation because of its simplicity and flexibility in the target shape modeling. This paper points out that there exists a stable double-bounce squint angle region both for perfect electric conductor (PEC) and dielectric corner reflectors. Beyond this stable squint angular region, the scattering characteristics become completely different from the assumed response. A criterion on the double-bounce scattering is proposed based on the physical optics (PO) approximation. The detailed analyses on the polarimetric index (copolarization ratio) with respect to squint angle and an experimental result measured in an anechoic chamber are shown.

• 社団法人電子情報通信学会の論文
• 2006-01-01

著者

• YAMAGUCHI Yoshio

  Department of Cardiology, Fukuoka University School of Medicine

• Yamaguchi Yoshio

  Faculty of Engineering, Niigata University

• SATO Ryoichi

  Faculty of Education, Niigata University

• YAMADA Hiroyoshi

  Faculty of Engineering, Niigata University

• Sato Ryoichi

  Faculty Of Education Niigata University

• Yamaguchi Yoshio

  Faculty Of Engineering Niigata University

• Sato Ryoichi

  Niigata Univ. Niigata‐shi Jpn

• YAMADA Hiroyoshi

  Department of Information Engineering, Niigata University

• Yamada Hiroyoshi

  Faculty Of Engineering Niigata University

• Yamaguchi Yoshio

  Department Of Cardiology Kanazawa Medical University School Of Medicine

• Yajima Yuki

  Faculty Of Engineering Niigata University

• Yamada Hiroyoshi

  Niigata Univ. Niigata Jpn

• Yamaguchi Yoshio

  Department Of Information Engineering Niigata University

• HAYASHI Kei

  Graduate School of Science and Technology, Niigata University

• Hayashi Kei

  Graduate School Of Science And Technology Niigata University

• Yamada Hiroyoshi

  Department Of Information Engineering Niigata University

• Yamaguchi Yoshio

  Department Of Cardiology Fukuoka University School Of Medicine

• Yamaguchi Yoshio

  Department of Applied Chemistry, Faculty of Technology, Tokyo University of Agriculture and Technology

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