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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 70  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP
(2nd)
2024-01-08
- 2024-01-10
Overseas EPU, Hanoi Isolation Improvement of a 4-element Horn Array Antenna
Tomoki Hoshiko, Ryuji Kuse, Makoto Sano, Takeshi Fukusako (Kumamoto Univ), Kazuma Tomimoto, Masayuki Miyashita, Toshiki Hozen, Ryo Yamaguchi (Softbank)
A 4-element horn array antenna is proposed.
The 4-element horn array antenna consists of a single pyramidal horn separ... [more]

AP, RCS
(Joint)
2023-11-15
16:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
A Conical Cavity-backed Antenna with Embedded Multiple Quarter-wave Resonators for Circular Polarization
Phanuphong Boontamchauy, Ryuji Kuse, Takeshi Fukusako (Kumamoto Univ.) AP2023-139
A conical cavity-backed antenna with embedded multiple quarter-wave resonators (multiple QWRs) is proposed to enhance th... [more] AP2023-139
pp.53-58
EMT, IEE-EMT 2023-11-10
13:55
Yamaguchi Kaikyo Messe Shimonoseki [Invited Lecture] Optimized Mode Coefficients Based on Quadratic Programming Approach for Multimode Horns with Square-Waveguide Aperture
Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2023-81
This paper proposes directivity synthesis for multimode horns with square-waveguide aperture based on quadratic programm... [more] EMT2023-81
pp.102-107
EMT, IEE-EMT 2022-11-18
10:45
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Cross-Polarization Reduction by Folded Grooves Loaded on the Wall of the 7.8/20/30 GHz Band Multistage Step Horn Antenna
Hideyuki Nanno, Shinichi Ito, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2022-63
In this paper, we first created a three-step shape that exhibited good antenna characteristics in the center frequency 7... [more] EMT2022-63
pp.105-110
AP, WPT
(Joint)
2022-01-21
12:40
Tottori Kenmin-Fureai-Kaikan
(Primary: On-site, Secondary: Online)
Design of a Circularly-polarized Crossed-slot Square-Arrangement Array Antennas on Alternating-phase Feed Parallel-plate Waveguide
Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2021-149
When adjacent rectangular waveguides are alternating-phase fed, the field distribution is maintained even though the str... [more] AP2021-149
pp.80-85
SANE 2021-11-12
09:20
Online Online Design and evaluation of a full-polarimetric ground penetrating radar system
Tomohiro Kondo, Motoyuki Sato (Tohoku Univ.) SANE2021-52
We are developing a ground penetrating radar(GPR) that can acquire all components of the polarization scattering matrix ... [more] SANE2021-52
pp.106-109
AP 2021-10-07
13:00
Online Online [Poster Presentation] Optimization of Cross Bow-Tie Antenna Polarization Switching by PIN Diode
Yuki Shigeta, Motoyuki Sato (Tohoku Univ.) AP2021-78
We are developing a cross bow-tie antenna with a polarization switching for a ground penetrating radar (GPR) array syste... [more] AP2021-78
pp.47-48
AP, SANE, SAT
(Joint)
2021-07-29
10:25
Online Online Design and evaluation of a cross bow-tie antenna
Tomohiro Kondo, Motoyuki Sato (Tohoku Univ.) AP2021-33
A cross bow-tie antenna for full polarimetric ground penetrating radar (GPR), operating at 10 MHz-1.5 GHz is designed an... [more] AP2021-33
pp.55-60
AP, SANE, SAT
(Joint)
2021-07-30
13:30
Online Online Design of planar-type wideband array antenna using double-sided feeding circuit and leaf-shaped bowtie slot element
Naoya Yamamoto, Takashi Hikage, Manabu Yamamoto (Hokkaido Univ.) AP2021-43
Leaf-Shaped bowtie slot antenna has wideband characteristics due to the self-complementary structure. Both-sided MIC (Mi... [more] AP2021-43
pp.109-114
PN, NS, OCS
(Joint)
2021-06-24
11:35
Online Online Ultra-wideband and low-loss five-core 1X8 core selective switch
Itsuki Urashima, Tsubasa Ishikawa, Takahiro Kodama, Yudai Uchida, Masahiko Jinno (Kagawa Univ.) PN2021-6
We design and construct a prototype of a five core 1×8 core selective switch (CSS) employing multi-core fiber collimator... [more] PN2021-6
pp.13-18
MW, AP
(Joint)
2020-09-25
09:50
Online Online A 6-port power divider for the feeding of a compact dual linearly polarized patch antenna
Makoto Sano, Koh Hashimoto (Toshiba) AP2020-61
The isolation and the cross-polarization discrimination of a patch antenna can be enhanced by feeding the antenna differ... [more] AP2020-61
pp.127-132
AP 2019-12-12
13:40
Tokyo Kikai-Shinko-Kaikan Bldg. A Consideration on a Reception of Electromagnetic Wave Signals at the Sea Level in the Shallow Sea Area
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi, Ryosuke Kato (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-143
In order to estimate the position of a diver in a submarine search at the time of a flood accident in shallow water, we ... [more] AP2019-143
pp.7-12
AP, RCS
(Joint)
2019-11-21
09:00
Saga Saga Univ. Cross-Polarization Evaluation of Circularly Polarized Microstrip Array Antennas Employing Both-Sided Feed Network
Reiya Oshige, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2019-117
In this study, a circularly polarized array antenna using Both-side feed network is proposed. The feed network used in t... [more] AP2019-117
pp.65-70
SAT, RCS
(Joint)
2018-08-09
09:30
Iwate Iwate University [Encouragement Talk] Characteristic Variations of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2018-29
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] SAT2018-29
pp.7-10
OPE, OCS, OFT
(Joint) [detail]
2018-02-16
09:25
Okinawa Okinawa Prefectural Museum Joint Switching Characteristics of LCoS-Based WSS
Kosuke Yamashita, Takuya Kataoka, Masahiko Jinno (Kagawa Univ.) OCS2017-85 OPE2017-178
n order to reduce the optical node cost in the forthcoming Space Division Multiplexing (SDM) era, joint-switching techni... [more] OCS2017-85 OPE2017-178
pp.29-34(OCS), pp.47-52(OPE)
AP 2017-10-19
14:25
Aomori Hchinohe-Shoukou-Kaikan Statistical Analyses of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2017-96
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] AP2017-96
pp.11-14
AP, SAT, SANE
(Joint)
2017-07-27
10:35
Aichi Nagoya Institute of Technology Estimation of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) AP2017-53 SAT2017-9
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] AP2017-53 SAT2017-9
pp.47-50(AP), pp.19-22(SAT)
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University Characteristics of Rapid Change in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.)
Characteristics of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by th... [more]
WPT 2017-03-06
11:20
Kyoto Kyoto Univ. Uji Campus Development of an Orthogonal Dual-mode Dielectric Resonator Antenna for a Terrestrial Beam-type Microwave Power Transmission System
Takayuki Matsumuro, Yohei Ishikawa, Tomohiko Mitani, Mayumi Matsunaga, Naoki Shinohara (Kyoto Univ.) WPT2016-67
A single-frequency retrodirective system with a beam pilot signal maintains the accurate reciprocity in the case of terr... [more] WPT2016-67
pp.11-14
AP, WPT
(Joint)
2017-01-19
13:20
Hiroshima Hiroshima Institute of Technology Estimation of Changes in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun, Univ.) AP2016-131
Rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by thunder- storm events... [more] AP2016-131
pp.13-16
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