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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 82  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, SANE
(Joint)
2024-02-08
12:50
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center)
(Primary: On-site, Secondary: Online)
Scattered Field Transformation with Planar Scan Applicable for Differences in Radar Ranges of Transmitter and Receiver
Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) SANE2023-104
This paper proposes a new scattered field transformation method with a two-dimensional planar scan. The new method is ba... [more] SANE2023-104
pp.1-6
AP, RCS
(Joint)
2023-11-15
10:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Design of a hollow waveguide slotted array antenna fed by an E-plane horn for a channel sounder
Rikako Yamaguchi, Jiro Hirokawa, Takashi Tomura (Tokyo Tech), Minoru inomata, Wataru Yamada (NTT) AP2023-129
We design an E-plane horn-fed hollow waveguide slot array antenna for a channel sounder in the 150 GHz band. Since we re... [more] AP2023-129
pp.1-6
AP, RCS
(Joint)
2023-11-15
10:25
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Broadband 300-GHz-band post-wall waveguide corporate feed antenna by eigenmode analysis
Shohei Ogura, Takashi Tomura (Tokyo Tech) AP2023-130
We report the design results of a 300GHz band post-wall waveguide antenna.
The previously proposed model did not provid... [more]
AP2023-130
pp.7-10
AP, RCS
(Joint)
2023-11-15
13:25
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Feeding design of a full-corporate feed radial line slot antenna with isoflux radiation pattern
Gen Nakayama, Takashi Tomura (Titech) AP2023-134
A radial line slot antenna with a corporate feeding structure is proposed as a broadband Ka-band isoflux radiation patte... [more] AP2023-134
pp.27-30
AP, RCS
(Joint)
2023-11-15
14:30
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Design of E-plane cross directional coupler for changing radiation directions of substrate-laminated two-dimensional beam switching matrix
Yoshiki Mitsumoto, Takashi Tomura, Jiro Hirokawa (Tokyo Tech), Daisuke Yamanaka, Nobutaka Kidera, Osamu Kagaya (AGC Inc) AP2023-136
 [more] AP2023-136
pp.37-40
AP, RCS
(Joint)
2023-11-16
15:10
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
[Tutorial Lecture] Basics of Reflectarray Antennas and Application to Small Satellites
Takashi Tomura (Tokyo Tech) AP2023-146
Reflectarray antennas have features of both reflector antenna and array antenna and realize high antenna gain characteri... [more] AP2023-146
pp.80-85
SANE 2023-11-13
13:55
Chiba Chiba Univ. (Nishi-Chiba Campus)
(Primary: On-site, Secondary: Online)
Scattered Field Transformation with Spherical Scan Applicable for Differences in the Radar Ranges of Transmitter and Receiver
Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) SANE2023-47
This paper proposes a new scattered field transformation method with a two-dimensional spherical scan. The new method is... [more] SANE2023-47
pp.1-6
AP, SANE, SAT
(Joint)
2023-07-12
11:20
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
[Invited Lecture] System Configuration of Sub-Terahertz MassiveMIMO Channel Sounder for 6G
Minoru Inomata, Wataru Yamada, Nobuaki Kuno (NTT), Jiro Hirokawa, Takashi Tomura (Tokyo Institute of Technology) AP2023-31
 [more] AP2023-31
pp.7-11
AP 2023-06-15
13:55
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Recent Progress of One and Two-dimensional Orthogonal Switching Matrices with an Arbitrary Number of Beams
Jiro Hirokawa, Qi Li, Shengjia Wu, Takashi Tomura (Tokyo Tech), Nelson J. G. Fonseca (ESA) AP2023-25
This manuscript describes recent progress in 1D and 2D orthogonal switching matrices with an arbitrary number of beams. ... [more] AP2023-25
pp.7-10
SANE 2023-05-23
11:20
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
Near-Field Transformation with Cylindrical Scan for Radar Cross Section Measurements Applicable for Differences in the Radar Ranges of the Transmitter and Receiver
Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) SANE2023-6
This paper proposes a new near-field transformation method with a two-dimensional cylindrical scan. The new method is ba... [more] SANE2023-6
pp.30-35
WPT 2023-03-16
16:30
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
Development of Microwave Power Charging System assisted by Drone
Teruo Fujiwara (SHO), Yoshiaki Iijima (TAKUWA), Takashi Tomura (Tokyo Tech), Kazuo Hasegawa, (SHO) WPT2022-41
 [more] WPT2022-41
pp.58-62
AP 2023-03-17
14:35
Toyama Toyama Prefectural Civic Hall
(Primary: On-site, Secondary: Online)
Design of Reconfigurable Reflectarray Antennas on Flexible Substrate with Varactor Diodes Mounted on Slot-Coupled Microstrip Lines
Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Titech) AP2022-250
In this paper, we propose reconfigurable reflectarray antennas with varactor diodes on flexible substrate. Diodes are mo... [more] AP2022-250
pp.93-96
AP 2023-03-17
15:00
Toyama Toyama Prefectural Civic Hall
(Primary: On-site, Secondary: Online)
Measurement Results of a 26-GHz-band Wide-angle Beam-Scanning Dipole-Loaded Patch Array Antenna
Takashi Tomura, Takehisa Wada, Atsushi Shirane, Kenichi Okada (Tokyo Tech.), Jumpei Sudo, Makoto Higaki, Soichiro Inoue, Takashi Eishima (Axelspace) AP2022-251
In this paper, we report measurement results of a 26-GHz-band wide-angle beam-scanning dipole-loaded patch array antenna... [more] AP2022-251
pp.97-100
SANE, SAT
(Joint)
2023-03-02
11:00
Okinawa
(Primary: On-site, Secondary: Online)
Near-Field to Far-Field Transformation with Cylindrical Scan for Radar Cross Section Measurements Applicable for Differences in the Radar Ranges of the Transmitter and Receiver
Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) SANE2022-111
(To be available after the conference date) [more] SANE2022-111
pp.70-75
MW 2023-03-02
16:00
Tottori Tottori Univ.
(Primary: On-site, Secondary: Online)
[Special Talk] Anisotropic conductivity measurement of plate laminated waveguides by multimode rectangular resonators in millimeter wave band
Takashi Tomura, Jiro Hirokawa (Tokyo Tech) MW2022-168
In this paper, we present anisotropic conductivity measurement of plate laminated waveguides by two kinds of multimode r... [more] MW2022-168
pp.66-69
SANE 2023-01-20
10:00
Tokyo
(Primary: On-site, Secondary: Online)
Single-cut Bistatic Scattered Field Transformation by Using the Equivalence Theorem to the Monostatic Field
Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) SANE2022-90
(To be available after the conference date) [more] SANE2022-90
pp.12-17
AP 2022-12-15
13:55
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
2-Dimensional Slot Array CFRP Antenna for Small SAR Satellites
Hirobumi Saito (TIT), Kosei Ishimura (Waseda Univ), Takashi Tomura, Jiro Hirokawa (TIT) AP2022-174
 [more] AP2022-174
pp.7-12
AP 2022-10-19
09:30
Gifu GIFU CITY CULTURE CENTER
(Primary: On-site, Secondary: Online)
[Poster Presentation] Assignment of Adjacent Output Phase Differences Per Input Port in One-dimensional Parallel Switching Matrices
Shengjia Wu, Jiro Hirokawa, Takashi Tomura (Tokyo Tech.), Nelson J. G. Fonseca (ESA) AP2022-99
 [more] AP2022-99
pp.26-28
AP 2022-10-19
12:20
Gifu GIFU CITY CULTURE CENTER
(Primary: On-site, Secondary: Online)
[Poster Presentation] A study of a circularly arranged hollow-waveguide narrow-wall slot array antenna in 150 GHz band
Rikako Yamaguchi, Jiro Hirokawa, Takashi Tomura (Tokyo Tech) AP2022-118
 [more] AP2022-118
pp.101-104
AP 2022-10-19
12:20
Gifu GIFU CITY CULTURE CENTER
(Primary: On-site, Secondary: Online)
[Poster Presentation] Research of Millimeter-wave Band Waveguide Slot Array Antenna for Increasing Transmission Capacity in Two-dimensional Quadrature Multiplex Transmission in Rectangular Coordinate System
Masashi Fujishiro, Jiro Hirokawa, Takashi Tomura (TokyoTech) AP2022-119
One type of MIMO is rectangular-coordinate two-dimensional multiplex transmission (ROM transmission). In this study, we ... [more] AP2022-119
pp.105-108
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