Ryoichi SATO

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 (611KB)
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, 
  Summary |  Full Text:PDF (214.8KB)
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 (350.4KB)
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 (2MB)
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 (409.1KB)
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 (240.6KB)
GTD Analysis for Evanescent Modal Excitation
Hiroshi SHIRAI  Yoshiyasu MATSUDA  Ryoichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/20
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 (201.1KB)
Electromagnetic Plane Wave Scattering by a Loaded Trough on a Ground Plane
Ryoichi SATO  Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/12/20
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 (483.2KB)