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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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) |
[more] | |
| 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 |
[more] | MW2022-168 pp.66-69 |
| MIKA (3rd) |
2023-02-21 14:55 |
Niigata | (Primary: On-site, Secondary: Online) |
Talk in memory of Prof. Nishimori Jiro Hirokawa (Tokyo Inst. of Tech.) |
[more] | |
| CQ, CBE (Joint) |
2023-01-26 15:25 |
Ibaraki | Epochal Tsukuba International Congress Center (Primary: On-site, Secondary: Online) |
Influence of wind on drones relay communication Yuya Tajima, Takefumi Hiraguri (NIT), Takahiro Matsuda (TMU), Tetsurou Imai (TDU), Jiro Hirokawa (TT), Hiroyuki Shimizu (NIT), Tomotaka Kimura (DU) CQ2022-70 |
[more] | CQ2022-70 pp.52-58 |
| 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 |
| MIKA (3rd) |
2022-10-15 13:30 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Invited Talk]
Numerical design of one-dimensional switching matrices with an arbitrary number of beams and application to millimeter-wave two-dimensional ones Jiro Hirokawa (Tokyo Institute of Technology) |
[more] | |
| AP, MW (Joint) |
2022-09-16 12:00 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of 150-GHz-band Horizontal Plane Omnidirectional Reflector Antenna Using Circular TE11-TM01 Mode Converters Riki Yanagisawa, Jiro Hirokawa, Takashi Tomura (Tokyo Tech) AP2022-88 |
An omnidirectional antenna is required for the measurement of radio propagation characteristics in the terahertz band. I... [more] | AP2022-88 pp.96-99 |
| AP, MW (Joint) |
2022-09-16 16:40 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of Feed Circuit for Post-Wall Waveguide Slot Array Antenna Irradiating Square Region Yuto Katsura, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2022-92 |
We design a waveguide slot array antenna with a square irradiation area that enables communication to all four corners f... [more] | AP2022-92 pp.115-118 |
| AP, SANE, SAT (Joint) |
2022-07-27 16:30 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
SAR Observation with High Resolution, Wide Swath by Deployable Corporate-Fed Slot Array Antenna Kosei Ishimura (Waseda Univ./Tokyo Inst. Tech.), Kosei Ishimura (Waseda Univ.), Jiro Hirokawa (Tokyo Inst. Tech.) AP2022-38 SANE2022-23 SAT2022-19 |
We have developed a synthetic aperture radar system with 1m ground resolution compatible with 100kg small satellite. The... [more] | AP2022-38 SANE2022-23 SAT2022-19 pp.22-27(AP), pp.6-11(SANE), pp.12-17(SAT) |
| 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 |
| AP, WPT (Joint) |
2022-01-21 13:05 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Analysis and design of a circularly-polarized element on a parallel plate waveguide with perpendicular corporate-feed Hiroki Nishimoto, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2021-150 |
In a conventional corporate-feed waveguide circularly polarized slot array antenna, plural thin metal plates are stacked... [more] | AP2021-150 pp.86-91 |
| MWP | 2021-11-26 17:25 |
Online | Online | 60-GHz-band Spatial Duplex Radio over Fiber by Rectangular-Coordinate Two-Dimensional Orthogonal Multiplexing Takashi Tomura, Jiro Hirokawa (Tokyo Tech), Muhsin Ali, Guillermo Carpintero (UC3M) MWP2021-36 |
In this paper, we demonstrate rectangular-coordinate two-dimensional orthogonal multiplexing (ROM) using a 60-GHz wavegu... [more] | MWP2021-36 pp.32-36 |
| AP | 2021-10-07 13:00 |
Online | Online | [Poster Presentation]
Study of Square Region Irradiation Waveguide Slot Array Antenna Yuto Katsura, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2021-75 |
A uniformly-excited 8×2-element post-wall waveguide slot array antenna consists of a feed waveguide, slots on a radiatin... [more] | AP2021-75 pp.33-36 |
| AP | 2021-10-07 13:00 |
Online | Online | [Poster Presentation]
Design of a Circularly Polarized Slot Array on a Parallel-plate Waveguide using Non-inclined Slots Yuki Tomori, Tianyu Wang, Tomura Takashi, Jiro Hirokawa (Tokyo Tech) AP2021-76 |
A circularly polarized parallel-plate slot array antennas are expected to be applied in various fields due to their simp... [more] | AP2021-76 pp.37-41 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
Study of mode converters for feeding an omnidirectional antenna in 300GHz-band Riki Yanagisawa, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2021-88 |
An omnidirectional antenna is required for the measurement of radio propagation characteristics in the terahertz band. T... [more] | AP2021-88 pp.74-77 |
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