Ryoichi SATO

A Fundamental Study on Vehicle Detection in Flooded Urban Area Using Quad-Polarimetric SAR Data
Takanori ISHIKURO Ryoichi SATO Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   
Publication Date: 2019/01/01
Vol. E102-C  No. 1  pp. 38-45
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
radar polarimetry, vehicle detection, flooded urban area, disaster mitigation, co-pol ratio phase difference, 
 Summary | Full Text:PDF
3-D Imaging Using SAR Tomography with Pi-SAR2-X Dataset
Masanori GOCHO Hiroyoshi YAMADA Motofumi ARII Shoichiro KOJIMA Ryoichi SATO Yoshio YAMAGUCHI 
Publication:   
Publication Date: 2018/02/01
Vol. E101-B  No. 2  pp. 409-417
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2016)
Category: Remote Sensing
Keyword: 
SAR tomography, TomoSAR, 3-D imaging, calibration, Pi-SAR2-X, 
 Summary | Full Text:PDF
Electromagnetic Plane Wave Diffraction by Loaded N-Slits on Thick Conducting Screen
Ryoichi SATO Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/01/01
Vol. E99-C  No. 1  pp. 72-75
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
Kobayashi potential, Weber-Schafheitlin discontinuous integrals, periodic structure with finite extent, multiple scattering by slits, 
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Study on Moisture Effects on Polarimetric Radar Backscatter from Forested Terrain
Takuma WATANABE Hiroyoshi YAMADA Motofumi ARII Ryoichi SATO Sang-Eun PARK Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2074-2082
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
forest, moisture, polarimetric radar, soil, synthetic aperture radar (SAR), 
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High Frequency Ray-Mode Coupling Analysis of Plane Wave Diffraction by a Wide and Thick Slit on a Conducting Screen
Hiroshi SHIRAI Ryoichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/01/01
Vol. E95-C  No. 1  pp. 10-15
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Scattering and Diffraction
Keyword: 
ray-mode coupling, diffraction, GTD, thick slit, 
 Summary | Full Text:PDF
Modification of Ray-Launching Method for Accurate 2D Indoor Propagation Analysis
Ryoichi SATO Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/01/01
Vol. E94-C  No. 1  pp. 55-58
Type of Manuscript:  BRIEF PAPER
Category: Radiation and Propagation
Keyword: 
ray-launching method, shooting and bouncing rays, collective ray, multiple reflections, Brewster's angle, indoor propagation, 
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Efficient Ray-Launching Method For 2D Indoor Propagation Analysis
Ryoichi SATO Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/01/01
Vol. E92-C  No. 1  pp. 40-45
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and its Application)
Category: 
Keyword: 
ray-launching method, shooting and bouncing rays, collective ray, complex refraction angle, multiple reflections, indoor propagation, 
 Summary | Full Text:PDF
Investigation on Seasonal Water Area Change in Lake Sakata Based on POLSAR Image Analysis
Ryoichi SATO Yuki YAJIMA Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2369-2375
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Sensing
Keyword: 
radar polarimetry, polarimetric synthetic aperture radar (POLSAR), scattering power decomposition, water area change, wetland monitoring, 
 Summary | Full Text:PDF
Polarimetric Scattering Analysis for a Finite Dihedral Corner Reflector
Kei HAYASHI Ryoichi SATO Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 191-195
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
finite dihedral corner reflector, double-bounce scattering, radar polarimetry, POLSAR, 
 Summary | Full Text:PDF
Applicability of Impedance Boundary Condition for Approximating a Loaded Trough on a Ground Plane
Ryoichi SATO Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/01/01
Vol. E84-C  No. 1  pp. 123-125
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
impedance boundary condition, SIBC, Kobayashi and Nomura's method, rectangular trough, 
 Summary | Full Text:PDF
GTD Analysis for Evanescent Modal Excitation
Hiroshi SHIRAI Yoshiyasu MATSUDA Ryoichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/25
Vol. E80-C  No. 1  pp. 190-192
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
GTD, geometrical theory of diffraction, evanescent mode, parallel plane waveguide, modal excitation, 
 Summary | Full Text:PDF
Electromagnetic Plane Wave Scattering by a Loaded Trough on a Ground Plane
Ryoichi SATO Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/12/25
Vol. E77-C  No. 12  pp. 1983-1989
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
Weber-Schafheitlin's discontinuous integrals, plane wave scattering, trough, 
 Summary | Full Text:PDF