Faculty Profiles - YAMADA Hiroyoshi

Papers - YAMADA Hiroyoshi

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FDTD法を用いた複数人工物モデルの偏波散乱解析

浅川雄祐, 佐藤亮一, 山口芳雄, 山田寛喜

2008年度電子情報通信学会信越支部大会 61 2008.9

新しい体積散乱モデルを用いた散乱モデル分解法に関する検討

駒谷隆太郎, 山田寛喜, 山口芳雄

2008年度電子情報通信学会信越支部大会 62 2008.9

仮想素子を用いたアレー校正手法の検討

内藤孝, 山田寛喜, 山口芳雄

2008年度電子情報通信学会信越支部大会 63 63 2008.9

海洋レーダの表層流観測へのCapon法の適用

大西,木藤, 平野, 伊藤,山田

2008年度電子情報通信学会信越支部大会 71 2008.9

Blind Array Calibration Technique for Non-uniform Linear Array by Using ICA Reviewed

SHIMADA Yuhei, YAMADA Hiroyoshi, YAMAGUCHI Yoshio

The IEICE transactions on communications B J91-B ( 9 ) 980 - 988 2008.9

Consideration on Adaptive Beamforming with Multiport Parastic Array Radiator Antenna Reviewed

MORISHITA Masayuki, YAMADA Hiroyoshi, SUN Chen, TAROMARU Makoto, OHIRA Takashi, YAMAGUCHI Yoshio

The IEICE transactions on communications B J91-B ( 9 ) 989 - 997 2008.9

Experimental study on polarimetric scattering characteristics of building models by Ku-band FM-CW POLSAR

UCHIDA Noriaki, UCHIYAMA Kentaro, YAMAGUCHI Yoshio, YAMADA Hiroyoshi

IEICE technical report SANE2008-51 ( 8 ) 23 - 26 2008.8

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

Polarimetric scattering characteristics of targets depends on incidence angle, frequency, polarization, and resolution. To understand these characteristics of targets, a variety of target classification methods are used. This report presents polarimetirc scattering characteristics in the Ku-band about models of buildings assumed urban areas. Polarimetric scattering characteristics of targets in the Ku-band is expected to be one of the key features as next generation airborne and satellite SAR application. A laboratory experiment using four-component decomposition of polarimetric scattering characteristics with Ku-band POLSAR supported the theoretical result.

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中越地震地域のＰＯＬＳＡＲ画像解析

逸見祐輔, 山口芳雄, 山田寛喜

電子情報通信学会技術研究報告 SANE2008-52 ( 8 ) 27 - 30 2008.8

Ku-band FM-CWレーダによる枯木の検出に関する検討

内山健太郎, 内田範昭, 山口芳雄, 山田寛喜

電子情報通信学会技術研究報告 SANE2008-50 ( 8 ) 19 - 22 2008.8

Polarimetric Scattering From Simplified Boundary Model Between Water And Emerged-plants Areas In Wetland

SATO Ryoichi, ITAGAKI Takeshi, YAMAGUCHI Yoshio, YAMADA Hiroyoshi

IEICE technical report EMT2008 ( 7 ) 97 - 102 2008.7

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

This paper examines the validity of a simple water area classification method based on POLSAR image analysis, by considering the result of the FDTD polarimetric scattering analysis for a simplified water-emergent boundary model. The present classification method, which was proposed in our previous study, is realized by extracting the strong double-bounce scattering components generated from the water-emergent boundary when the water level is relatively high. However, it has not been cleared whether or not the polarimetric scattering feature is dependent on the variation of the emergent's biomass and/or the radar illumination angle. In this paper, by executing the FDTD analysis for the simplified water-emergent boundary model, we examine the polarimetric scattering mechanism around the wetland boundary regions. It is resultantly confirmed from the FDTD result that the strong double-bounce scattering can be observed even when the biomass and illumination angle are both small.

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Coherent decomposition of fully polarimetric FM-CW radar data Reviewed

Jun Nakamura, Kazuyasu Ayama, Muneyuki Ikarashi, Yoshio Yamaguchi, Hiroyoshi Yamada

IEICE TRANSACTIONS ON COMMUNICATIONS E91B ( 7 ) 2374 - 2379 2008.7

Simple Man-made Object Classification Approach Using The Correlation Coefficient in Circular Polarization Basis Reviewed

R.Sato, Y.Yamaguchi, H.Yamada

2008 IEEE International Geoscience and Remote Sensing Symposium(IGARSS 2008) 2008.7

送信側相関抑圧処理によるアレーアンテナを用いた屋内無線局位置推定法の精度の向上について

遠藤奈津美, 山田寛喜, 佐藤亮一, 山口芳雄

電子情報通信学会技術研究報告 AP2008-73 ( 7 ) 207 - 212 2008.7

POLSAR image analysis of wetlands using a modified four-component scattering power decomposition Reviewed

Yuki Yajima, Yoshio Yamaguchi, Ryoichi Sato, Hiroyoshi Yamada, Wolfgang-Martin Boerner

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 46 ( 6 ) 1667 - 1673 2008.6

On scattering model decomposition with Pol- InSAR data Reviewed

H. Yamada, Y. Yamaguchi

European Conference on Synthetic Aperture Radar (EUSAR2008) 2008.5

A monitoring technique for seasonal water area change of wetland based on POLSAR image analysis Reviewed

R. Sato, Y. Yamaguchi, H. Yamada

European Conference on Synthetic Aperture Radar (EUSAR2008) 2008.5

Water change detection in natural dam caused by earthquake using Pi-SAR fully polarimetric data Reviewed

Y. Yamaguchi, H. Yamada, R. Sato

European Conference on Synthetic Aperture Radar (EUSAR2008) 2008.5

POLSAR image analysis of wetlands using fully polarimetric quad-SAR data Reviewed

Y. Yamaguchi, H. Yamada, Y. Yajima, R. Sato, W. M. Boer

European Conference on Synthetic Aperture Radar (EUSAR2008) 2008.5

A simple method to stop an adaptive process for the multistage Wiener filter Reviewed

Junichiro Suzuki, Yoshikazu Shoji, Hiroyoshi Yamada, Yoshio Yamaguchi, Masahiro Tanabe

IEICE TRANSACTIONS ON COMMUNICATIONS E91B ( 5 ) 1581 - 1588 2008.5

ICAを用いた等間隔リニアアレーによる到来方向推定に関する検討

原義宏, 島田裕平, 山田寛喜, 山口芳雄

電子情報通信学会技術研究報告 AP2007-189 ( 3 ) 95 - 100 2008.3

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Papers - YAMADA Hiroyoshi