Yoshio INASAWA


Statistical Model Using Geometrical-Optical Space Classification: Expansion of Applicable Frequencies to the 5 GHz Band
Takahiro HASHIMOTO Takayuki NAKANISHI Yoshio INASAWA Yasuhiro NISHIOKA Hiroaki MIYASHITA 
Publication:   
Publication Date: 2018/02/01
Vol. E101-C  No. 2  pp. 135-138
Type of Manuscript:  BRIEF PAPER
Category: Electromagnetic Theory
Keyword: 
indoor propagationoffice floorpropagation lossstatistical modelray-tracingspace classification
 Summary | Full Text:PDF(430.3KB)

Accuracy Improvement of Characteristic Basis Function Method by Using Multilevel Approach
Tai TANAKA Yoshio INASAWA Naofumi YONEDA Hiroaki MIYASHITA 
Publication:   
Publication Date: 2018/02/01
Vol. E101-C  No. 2  pp. 96-103
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
characteristic basis function method (CBFM)method of moments (MoM)radar cross section (RCS)singular value decomposition (SVD)
 Summary | Full Text:PDF(4MB)

Simultaneous Optimal Design Method of Primary Radiator and Main Reflector for Shaped Beam Antennas
Takashi TOMURA Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-B  No. 2  pp. 211-218
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Realization of Next Generation Wireless Systems)
Category: 
Keyword: 
reflector antennashaped reflectorshaped beammultimode hornoptimization
 Summary | Full Text:PDF(1.4MB)

Improved Primary-Characteristic Basis Function Method Considering Higher-Order Multiple Scattering
Tai TANAKA Yoshio INASAWA Yasuhiro NISHIOKA Hiroaki MIYASHITA 
Publication:   
Publication Date: 2017/01/01
Vol. E100-C  No. 1  pp. 45-51
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
characteristic basis function method (CBFM)radar cross section (RCS)method of moments (MoM)
 Summary | Full Text:PDF(1.2MB)

Novel Beam-Scanning Center-Fed Imaging Reflector Antenna with Elliptical Aperture for Wide Area Observation
Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA Izuru NAITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/09/01
Vol. E99-C  No. 9  pp. 1031-1038
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
wide area observationelliptical aperturesmall observation satellitereflector antennasdoubly curved reflectorbeam-scanning functioncenter-fed reflector antenna
 Summary | Full Text:PDF(2MB)

Improved Primary Characteristic Basis Function Method for Monostatic Radar Cross Section Analysis of Specific Coordinate Plane
Tai TANAKA Yoshio INASAWA Yasuhiro NISHIOKA Hiroaki MIYASHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/01/01
Vol. E99-C  No. 1  pp. 28-35
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
characteristic basis function method (CBFM)method of moments (MoM)radar cross section (RCS)
 Summary | Full Text:PDF(1.1MB)

Novel Phased Array-Fed Dual-Reflector Antenna with Different Orthogonal Cross-Section by Imaging Reflector Antenna and Ring-Focus Cassegrain Antenna
Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA Izuru NAITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/01/01
Vol. E98-C  No. 1  pp. 8-15
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
Imaging Reflector AntennaRing-focus Cassegrain AntennaDoubly Curved ReflectorPhased Array-fed Reflector AntennaBeam-Scanning FunctionCenter-Fed Reflector Antenna
 Summary | Full Text:PDF(2.3MB)

One-Dimensional Electronic Beam-Scanning Center-Fed Imaging Reflector Antenna
Michio TAKIKAWA Izuru NAITO Kei SUWA Yoshio INASAWA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/01/01
Vol. E97-C  No. 1  pp. 17-25
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Antenna Technologies
Keyword: 
imaging reflector antennadoubly curved reflectorbeam-scanning functioncenter-fed reflector antenna
 Summary | Full Text:PDF(4MB)

Near-Field to Far-Field Transformation for an Outdoor RCS Range
Yoshio INASAWA Shinji KURODA Ken-ichi KAKIZAKI Hitoshi NISHIKAWA Naofumi YONEDA Shigeru MAKINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/09/01
Vol. E91-C  No. 9  pp. 1463-1471
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
radar cross sectionnear-field measurementground bounceRCS predictionnear-field to far-field transformation
 Summary | Full Text:PDF(1.4MB)

Using Conducting Wire at A-Sandwich Junctions to Improve the Transmission Performance of Radomes
Yoshio INASAWA Toshio NISHIMURA Jun TSURUTA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/08/01
Vol. E91-B  No. 8  pp. 2764-2767
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
A-sandwichradometransmission performancejunctionconducting wire
 Summary | Full Text:PDF(286.1KB)

RCS Prediction Method from One-Dimensional Intensity Data in Near-Field
Yoshio INASAWA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/07/01
Vol. E91-C  No. 7  pp. 1167-1170
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
RCSnear-field to far-field transformationphase retrievalnear-fieldphaseless
 Summary | Full Text:PDF(353.1KB)

Design Method for a Low-Profile Dual-Shaped Reflector Antenna with an Elliptical Aperture by the Suppression of Undesired Scattering
Yoshio INASAWA Shinji KURODA Kenji KUSAKABE Izuru NAITO Yoshihiko KONISHI Shigeru MAKINO Makio TSUCHIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/04/01
Vol. E91-C  No. 4  pp. 615-624
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
low-profile antennashaped reflectordual-shaped reflector antennaelliptical aperturemobile satellite communicationsgenetic algorithm
 Summary | Full Text:PDF(2MB)

Radar Cross Section Analysis Considering Multi-Reflection inside a Radome Based on SBR Method
Shinji KURODA Yoshio INASAWA Shin-ichi MORITA Hitoshi NISHIKAWA Yoshihiko KONISHI Yonehiko SUNAHARA Shigeru MAKINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2274-2281
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: Imaging
Keyword: 
radar cross sectionSBRradomescattering
 Summary | Full Text:PDF(919.9KB)

Far-Field RCS Prediction Method Using Cylindrical or Planar Near-Field RCS Data
Yoshio INASAWA Hiroaki MIYASHITA Isamu CHIBA Shigeru MAKINO Shuji URASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/11/25
Vol. E80-C  No. 11  pp. 1402-1406
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic TheoryScattering and Diffraction)
Category: 
Keyword: 
radar cross sectionnear-field measurementRCSnear-field RCS
 Summary | Full Text:PDF(436.5KB)

Pattern Analysis of a GPS Microstrip Antenna on a Rectangular Ground Plane by Using Modified Edge Representation
Makoto ANDO Keiichi NATSUHARA Tsutomu MURASAKI Masayuki OODO Yoshio INASAWA Masahide SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/06/25
Vol. E77-B  No. 6  pp. 843-846
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
GPSground planemodified edge representationUTD
 Summary | Full Text:PDF(258.9KB)

Equivalent Edge Currents for Modified Edge Representation of Flat Plates: Fringe Wave Components
Tsutomu MURASAKI Masahide SATO Yoshio INASAWA Makoto ANDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/09/25
Vol. E76-C  No. 9  pp. 1412-1419
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
high frequency approximationmethod of equivalent edge currentsGTDUTDPTD
 Summary | Full Text:PDF(596.1KB)