Hiroyuki DEGUCHI


A Novel Feeding Structure to Generate Multiple Transmission Zeros for Miniature Waveguide Bandpass Filters Composed of Frequency-Selective Surfaces
Masataka OHIRA Zhewang MA Hiroyuki DEGUCHI Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1586-1593
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Passive Devices and Circuits
Keyword: 
waveguide filtersfrequency-selective surfacesbandpass filterstransmission zeroscoaxial probe
 Summary | Full Text:PDF(1.3MB)

Compact Planar Bandpass Filters with Arbitrarily-Shaped Conductor Patches and Slots
Tadashi KIDO Hiroyuki DEGUCHI Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 1091-1097
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
filterUWBDSGgenetic algorithmsplanar circuit
 Summary | Full Text:PDF(1.4MB)

Compact Multimode Horn with Coaxial Corrugation for Circular Coverage
Takashi KOBAYASHI Hiroyuki DEGUCHI Mikio TSUJI Kouhei OMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Vol. E93-C  No. 1  pp. 32-38
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
horn antennasantenna gainradiation patternsoptimizationcorrugation
 Summary | Full Text:PDF(746KB)

Low-Sidelobe Multimode Horn Design for Circular Coverage Based on Quadratic Programming Approach
Hiroyuki DEGUCHI Mikio TSUJI Hiroaki WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/01/01
Vol. E91-C  No. 1  pp. 3-8
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Antenna Theory
Keyword: 
horn antennasantenna gainradiation patternsoptimization
 Summary | Full Text:PDF(681.2KB)

Multiple-Step Rectangular Horn with Two Orthogonal Sectoral Tapers for Elliptical Beam
Hirotsugu URATA Masataka OHIRA Hiroyuki DEGUCHI Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 217-223
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Aperture Antennas
Keyword: 
horn antennaselliptical beamoptimizationmode-matching methodMarquardt method
 Summary | Full Text:PDF(1.4MB)

Composite Right/Left-Handed Transmission Lines Based on Conductor-Backed Coplanar Strips
Rei GOTO Hiroyuki DEGUCHI Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/09/01
Vol. E89-C  No. 9  pp. 1306-1311
Type of Manuscript:  Special Section PAPER (Special Section on Metamaterials for Microwave and Millimeter-Wave Applications)
Category: 
Keyword: 
metamaterialleft-handed mediumCRLHcoplanar stripsleaky-wave antenna
 Summary | Full Text:PDF(562.1KB)

Leaky-Wave Antennas with Low Sidelobes Based on Stub-Loaded Ridge-Rectangular Waveguides
Mikio TSUJI Taiji HARADA Hiroyuki DEGUCHI Hiroshi SHIGESAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 564-569
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
leaky-wave antennaridge waveguidefrequency scanningTaylor distribution
 Summary | Full Text:PDF(794.6KB)

Novel Dual-Resonant and Dual-Polarized Frequency Selective Surface Using Eight-Legged Element and Its Experimental Verification
Masataka OHIRA Hiroyuki DEGUCHI Mikio TSUJI Hiroshi SHIGESAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2229-2235
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: EM Analysis
Keyword: 
frequency selective surfacemultibandbroadbandresonances
 Summary | Full Text:PDF(830.9KB)

Multimode Horn with Low Cross Polarization Optimized for Dual-Band Use
Hiroyuki DEGUCHI Takaharu GOTO Mikio TSUJI Hiroshi SHIGESAWA Soichi MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/09/01
Vol. E87-B  No. 9  pp. 2777-2782
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
horn antennasaperture efficiencycross polarizationradiation patterns
 Summary | Full Text:PDF(839.6KB)

Radio Holographic Metrology with Best-Fit Panel Model of the Nobeyama 45-m Telescope
Hiroyuki DEGUCHI Masanori MASUDA Takashi EBISUI Yutaka SHIMAWAKI Nobuharu UKITA Katsunori M. SHIBATA Masato ISHIGURO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/12/25
Vol. E76-B  No. 12  pp. 1492-1499
Type of Manuscript:  Special Section PAPER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation)
Category: 
Keyword: 
antennas and propagationsurface accuracyholography
 Summary | Full Text:PDF(822.8KB)

Two-Path Cutoff-Waveguides for Filter Applications
Mikio TSUJI Hiroyuki DEGUCHI Hiroshi SHIGESAWA Kei TAKIYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/05/25
Vol. E73-E  No. 5  pp. 705-711
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
 Summary | Full Text:PDF(617KB)