Ryosuke SUGA

Winding Ratio Design of Transformer in Equivalent Circuit of Circular Patch Array Absorber
Ryosuke SUGA Tomohiko NAKAMURA Daisuke KITAHARA Kiyomichi ARAKI Osamu HASHIMOTO 
Publication:   
Publication Date: 2018/08/01
Vol. E101-C  No. 8  pp. 651-654
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
patch array absorber, winding ratio, equivalent circuit, transformer, 
 Summary | Full Text:PDF(537.8KB)
Study on RCS Reduction of Patch Array Using Switchable Absorption/Transmission Surface
Shinya KITAGAWA Ryosuke SUGA Osamu HASHIMOTO Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7  pp. 805-808
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
RCS, radar absorber, transmission surface, radome, 
 Summary | Full Text:PDF(639.1KB)
Dual-Polarization RCS Reduction of X-Band Antenna Using Switchable Reflector
Shinya KITAGAWA Ryosuke SUGA Kiyomichi ARAKI Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/07/01
Vol. E98-C  No. 7  pp. 701-708
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Microwaves, Millimeter-Waves
Keyword: 
radar cross section, radar absorber, antenna, reflector, polarization, 
 Summary | Full Text:PDF(1.3MB)
A Switchable Microwave Reflector Using Pin Diodes
Shinya KITAGAWA Ryosuke SUGA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/07/01
Vol. E97-C  No. 7  pp. 683-688
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics)
Category: 
Keyword: 
switchable, reflector, radar absorber, pin diode, 
 Summary | Full Text:PDF(1MB)
Mutual Coupling Reduction between Closely-Placed MSAs for Bi-Static Radar Using Wave Absorber
Takenori YASUZUMI Koudai TAKAHASHI Naoki SANO Ryosuke SUGA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/01/01
Vol. E96-C  No. 1  pp. 77-83
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
microstrip antenna (MSA), mutual coupling, radiation pattern, wave absorber, 
 Summary | Full Text:PDF(2MB)
Multi-Layered Translucent Wave Absorber Using Carbon Fibers and Applying to Portable Anechoic Chamber
Takenori YASUZUMI Shunki KATO Yuya ISHII Ryosuke SUGA Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/12/01
Vol. E95-B  No. 12  pp. 3830-3836
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
wave absorber, carbon fiber, anechoic chamber, wideband absorption characteristics, 
 Summary | Full Text:PDF(2.1MB)
Miniaturization of Parallel-Plate Lens Antenna for Evaluation of Wave Absorber Placed on Ceiling of ETC Gate
Takenori YASUZUMI Nayuta KAMIYA Ryosuke SUGA Osamu HASHIMOTO Yukinori MATSUSHITA Yasuyuki MATSUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3225-3231
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
parallel-plate lens, geometrical optics (GO), diffraction, half power beam width (HPBW), wave absorber, electronic toll collection (ETC), 
 Summary | Full Text:PDF(4.3MB)
Shape Measurement of Canned Food to Verify Hermetic Sealing
Ryosuke SUGA Shigenori TAKANO Takenori YASUZUMI Taichi IJUIN Tetsuya TAKATOMI Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/10/01
Vol. E95-C  No. 10  pp. 1662-1665
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
shape measurement, canned food, collimated lens, hermetic sealing, 
 Summary | Full Text:PDF(1MB)