Yoshihiko KONISHI


Inclined Slot Array Antennas on a Hollow Rectangular Coaxial Line
Satoshi YAMAGUCHI  Yukihiro TAHARA  Toru TAKAHASHI  Kazushi NISHIZAWA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2870-2877
Type of Manuscript: PAPER
Category: Antennas and Propagation
Keyword: 
rectangular coaxial linewaveguideslot array antennainclined linear polarization
  Summary |  Full Text:PDF (2.7MB)

Acceleration of Flexible GMRES Using Fast Multipole Method for Implementation Based on Combined Tangential Formulation
Hidetoshi CHIBA  Toru FUKASAWA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1661-1668
Type of Manuscript: PAPER
Category: Electromagnetic Theory
Keyword: 
flexible GMRESintegral equation methodsmethod of momentscombined tangential formulationPMCHWTfast multipole methodmultilevel fast multipole algorithm
  Summary |  Full Text:PDF (2.1MB)

Convergence Property of IDR(s) Method Implemented along with Method of Moments for Solving Large-Scale Electromagnetic Scattering Problems Involving Conducting Objects
Hidetoshi CHIBA  Toru FUKASAWA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Vol. E94-C  No. 2  pp. 198-205
Type of Manuscript: PAPER
Category: Electromagnetic Theory
Keyword: 
IDR(s) methodKrylov subspace methodsintegral equation methodsmethod of momentsmultilevel fast multipole algorithm
  Summary |  Full Text:PDF (1.3MB)

Efficient Implementation of Inner-Outer Flexible GMRES for the Method of Moments Based on a Volume-Surface Integral Equation
Hidetoshi CHIBA  Toru FUKASAWA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/01/01
Vol. E94-C  No. 1  pp. 24-31
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Numerical Techniques
Keyword: 
flexible GMRESintegral equation methodsmethod of momentsmultilevel fast multipole algorithmKrylov subspace methods
  Summary |  Full Text:PDF (1.5MB)

Ultra-Wideband Tapered Slot Antenna Arrays with Parallel-Plate Waveguides
Satoshi YAMAGUCHI  Hiroaki MIYASHITA  Toru TAKAHASHI  Masataka OTSUKA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/05/01
Vol. E93-B  No. 5  pp. 1248-1255
Type of Manuscript: PAPER
Category: Antennas and Propagation
Keyword: 
tapered slot antennaparallel-plate waveguideswideband antennaarray antennaFDTD
  Summary |  Full Text:PDF (1.3MB)

Construction and Design Equations of a Lumped Element Dual-Band Wilkinson Divider
Takeshi OSHIMA  Masataka OHTSUKA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/10/01
Vol. E92-C  No. 10  pp. 1322-1324
Type of Manuscript: LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
microwavedual-bandWilkinson dividerlumped elementcompact
  Summary |  Full Text:PDF (199.8KB)

A Waveguide-Based Power Divider Using H-Plane Probes Short-Circuited with Substrate Metallization Patterns
Motomi ABE  Yukihiro TAHARA  Hideyuki OH-HASHI  Naofumi YONEDA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/09/01
Vol. E92-C  No. 9  pp. 1144-1149
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies and Their Applications)
Category: 
Keyword: 
power dividercoaxial-to-waveguide transitionwaveguidesubstratecoaxial probe
  Summary |  Full Text:PDF (957.8KB)

An Elliptic-Function Bandpass Filter Utilizing Left-Handed Operations of an Inter-Digital Coupled Line
Hiromitsu UCHIDA  Naofumi YONEDA  Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/11/01
Vol. E91-C  No. 11  pp. 1772-1777
Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-wave Technologies)
Category: 
Keyword: 
bandpass filterinter-digital coupled-lineleft-handed operationsnegative couplingattenuation pole
  Summary |  Full Text:PDF (473.9KB)

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 (284.9KB)

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 (352.3KB)

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 (921.5KB)

Phased Array Antennas
Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 954-967
Type of Manuscript: INVITED PAPER (Special Issue on Historical Review of Antenna Systems in Japan)
Category: 
Keyword: 
phased array antennasphased array analysisphased array measurement
  Summary |  Full Text:PDF (7.6MB)

A Linear Array Antenna Using Bifilar Helical Elements for Mobile Satellite Communications
Masataka OHTSUKA  Yoshihiko KONISHI  Makoto MATSUNAGA  Takashi KATAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/20
Vol. E79-C  No. 5  pp. 699-704
Type of Manuscript: Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Passive Devices
Keyword: 
mobile satellite communicationbeam direction movementbifilar helical antennaTEM transmission linearray antennamicrowave and millimeter wave technology
  Summary |  Full Text:PDF (486.2KB)