Kohji KOSHIJI


Expansion of Bartlett's Bisection Theorem Based on Group Theory
Yoshikazu FUJISHIRO Takahiko YAMAMOTO Kohji KOSHIJI 
Publication:   
Publication Date: 2017/08/01
Vol. E100-A  No. 8  pp. 1623-1639
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
irreducible representationmodal equivalent circuitstabilizer subgroupsymmetry-adapted modeunitary-transformed S-matrix
 Summary | Full Text:PDF

Proposal of Analysis Method for Three-Phase Filter Using Fortescue-Mode S-Parameters
Yoshikazu FUJISHIRO Takahiko YAMAMOTO Kohji KOSHIJI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/12/01
Vol. E97-B  No. 12  pp. 2756-2766
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
CISPR 17mixed-mode S-parametermodal equivalent circuitnoise filtersymmetrical coordinates
 Summary | Full Text:PDF

Suppression of Undesired Reflection Using a Spatial Filtering on Bistatic Radar Cross Section Measurements within a Near Zone
Hiroyoshi YAMAZAKI Kohji KOSHIJI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 2077-2080
Type of Manuscript:  LETTER
Category: Sensing
Keyword: 
radar cross sectionspatial filteringbistaticnear-field measurement
 Summary | Full Text:PDF

Analysis of Electromagnetic Field inside Equipment Housing with an Aperture
Hiroaki KOGURE Hideki NAKANO Kohji KOSHIJI Eimei SHU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/11/25
Vol. E80-B  No. 11  pp. 1620-1624
Type of Manuscript:  Special Section PAPER (Special Issue on EMC Implications of Densely Mounted Electronic Devices)
Category: 
Keyword: 
equipment housingapertureelectromagnetic field analysisthe TLM methodimmunity
 Summary | Full Text:PDF

FOREWORD
Ryuji KOGA Osami WADA Yutaka AKIBA Hiroshi INOUE Yoshio KAMI Kohji KOSHIJI Akihisa SAKURAI Noboru SCHIBUYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/11/25
Vol. E80-B  No. 11  pp. 1593-1593
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Electromagnetic Sealing for Helical Heater Terminal Used in Combination Microwave Oven
Tetsuo KUBOTA Hideki NAKANO Kohji KOSHIJI Eimei SHU Itsuo KIKUCHI Kenji SUGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/25
Vol. E80-B  No. 5  pp. 706-708
Type of Manuscript:  Special Section LETTER (Special Issue on EMC/EMI Problems in Microwave Frequency Range)
Category: 
Keyword: 
microwave ovenhelical heaterleakagesealperiodic structure
 Summary | Full Text:PDF

FOREWORD
Yoji NAGASAWA Kunio SAWAYA Yoshio KAMI Kohji KOSHIJI Youji KOTSUKA Takashi SHINOZUKA Masao TAKI Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/25
Vol. E80-B  No. 5  pp. 643-644
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Transmission Characteristics of CPW Bends for Various Curvatures
Hiroyuki SAWASA Hideki NAKANO Kohji KOSHIJI Eimei SHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 949-951
Type of Manuscript:  Special Section LETTER (Special Issue on Measurement Techniques for Microwave/Millimeter Wave)
Category: 
Keyword: 
coplanar waveguidediscontinuitiesbendtransmission characteristicsmicrowave
 Summary | Full Text:PDF