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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 10 of 10  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2023-01-26
15:00
Fukuoka
(Primary: On-site, Secondary: Online)
Proposal of 4×4 Feed Matrix Integrating Planar Magic-T and 90° Hybrid
Yutaka Umeda, Eisuke Nishiyama, Toyoda Ichihiko (Saga Univ.)
In this study, we propose and evaluate a novel feed matrix that replaces the Butler matrix, which is widely used as a fe... [more] BCT2023-5
pp.15-18
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2023-01-27
12:50
Fukuoka
(Primary: On-site, Secondary: Online)
Experimental Evaluation of Mixer and Circularly-Polarized Antenna Utilizing Magic-T Isolation for FMCW Radar Transceiver
Kaiji Esaki, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ)
In this study, we measured and evaluated a circularly-polarized transceiver (TRX) antenna and a mixer to realize a circu... [more] BCT2023-12
pp.43-46
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2022-01-21
14:50
Online Online Bandwidth Improvement of Planar Magic-T Consisting of Microstrip Lines and Coplanar Stripline
Hiroki Nakahara, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
This paper proposes a new magic-T structure to improve the bandwidth of the planar magic-T consisting of microstrip line... [more] BCT2022-9
pp.33-36
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-23
14:10
Kagoshima   Design of a Frequency-Tunable Balun Using Wideband Planar Magic-T
Takuya Kitamura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
We have reported a magic-T based planar balun and its application to a variable phase shift balun and variable attenuati... [more] BCT2020-4
pp.13-16
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-23
14:30
Kagoshima   Design of a Low-Loss Planar Magic-T Employing Rectangle DGS
Hiroki Nakahara, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this paper,a low-loss planar magic-T employing a Defected Ground Structure (DGS) is proposed.The proposed magic-T con... [more] BCT2020-5
pp.17-20
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2020-01-24
09:35
Kagoshima   Design of a Beam Steering Circularly Polarized Array Antenna with Input Amplitude Control
Daiki Iwamoto, Nishiyama Eisuke, Toyoda Ichihiko (Saga Univ.)
This paper proposes a beam steering circularly polarized (CP) array antenna which employs input amplitude control beam-s... [more] BCT2020-12
pp.43-46
BCT, KYUSHU, IEEE-AP-S-FUKUOKA 2019-01-25
11:00
Fukuoka Kyushu Sangyo Univ. Basic Evaluation of a Planar Magic-T Based Balun and Its Application to Variable Phase Shift Balun
Takuya Kitamura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this study, a novel magic-T based planar balun and its application to a variable phase shift balun are proposed. The ... [more] BCT2019-14
pp.59-62
BCT, KYUSHU [detail] 2016-01-27
14:30
Saga Saga Univ. A Dual-Polarized Microstrip L-Shape Array Antenna Using Magic-Ts
Syuto Suenaga, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ)
In this paper, we propose a dual-polarized microstrip array antenna and the results of the prototype evaluation are expl... [more] BCT2016-5
pp.17-20
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2015-01-29
15:20
Fukuoka Fukuoka Institute of Technology Experimental Evaluation of a Mono-Pulse DOA Estimation Antenna Integrated with RF Amplifiers
Ryo Tanaka, Nishiyama Eisuke, Toyoda Ichihiko (Saga Univ.)
We have proposed a novel direction-of-arrival (DOA) estimation antenna based on the mono-pulse system. The DOA estimatio... [more] BCT2015-11
pp.41-44
BCT, IEEE-BT, IEEE-AP-S-FUKUOKA 2012-01-27
14:10
Fukuoka Fukuoka Institute of Technology A study on arrival angle estimating array antenna
Hirotoshi Sakai, Eisuke Nishiyama, Masayosi Aikawa (Saga Univ.)
In this paper, a novel array antenna for DOA estimation system is proposed. The proposed array antenna consists of patch... [more] BCT2012-19
pp.77-80
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