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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, MW (Joint) |
2022-09-14 10:35 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Reflection Phase Control by Varactor Diodes for Reflectarray Antennas on Flexible Substrate Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Tokyo tech)  AP2022-71 |
In this paper, control of reflection phase of the reflectarray antenna composed of a flexible substrate by varactor diod... [more] | AP2022-71 pp.1-4 |
| AP, MW (Joint) |
2022-09-14 12:25 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of a 350-GHz-band 16×16-element post-wall waveguide corporate-feed slot array antenna Shohei Ogura, Takashi Tomura (Tokyo Tech), Lin Lin (Panasonic) AP2022-75 |
A 350-GHz 16 × 16-element post-wall waveguide parallel-fed slot array antenna is proposed, which can be fabricated on a ... [more] | AP2022-75 pp.22-25 |
| AP, MW (Joint) |
2022-09-16 12:00 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of a 150GHz-Band Reflector OmnidirectionalAntenna Using a Circular TE11-TM01 Mode Converter 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 15:50 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of a Ka-band radial line slot antenna for isoflux radiation pattern Gen Nakayama, Takashi Tomura (Titech) AP2022-90 |
A Ka-band isoflux radiation radial line slot antenna is proposed for communication antennas of remote sensing satellites... [more] | AP2022-90 pp.106-109 |
| 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 |
| EMT, IEE-EMT | 2022-06-23 10:30 |
Tokyo | The Institute of Electrical Engineers of Japan | 1-D Circular Near Field to Far Field Radar Cross Section Transformation by Using a Weight Function Based on Cylindrical Wave Expansion Yoshihiko Akamine, Takashi Tomura, Joro Hirokawa (Titech) EMT2022-2 |
This paper proposes a new near field to far field transformation method for radar cross section measure ments with a one... [more] | EMT2022-2 pp.7-12 |
| 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 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 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
A Study of Deformation Compensation for Deployment of a Foldable and Storable Reflectarray Antenna Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Tokyo Tech) AP2021-89 |
Satellite onboard antennas are stored on the ground and deployed in orbit due to the volume limitation at launch. Conven... [more] | AP2021-89 pp.78-81 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
A Study on Antenna Efficiency and Bandwidth of Terahertz Band Partially Parallel-Fed Waveguide Slot Arrays Yoshiki Hara, Jiro Hirokawa, Takashi Tomura (Tokyo Tech) AP2021-90 |
In the corporate feed of a waveguide slot array antenna, each element is fed with an equal-length line, which increases ... [more] | AP2021-90 pp.82-88 |
| AP | 2021-04-16 10:45 |
Hyogo | Kinosaki International Arts Center (Primary: On-site, Secondary: Online) |
Development of deployable CFRP slot array antenna for small SAR satellite Hirobumi Saito, Kosei Ishimura (Waseda Univ.), Takashi Tomura, Takashi Tomura (Tokyo Tech) AP2021-1 |
[more] | AP2021-1 pp.1-5 |
| MW, AP (Joint) |
2020-09-24 12:50 |
Online | Online | [Poster Presentation]
Bandwidth Enhancement of Waveguide Coupler by Changing the Cross-Section of the Coupling Region in the Axial Direction Shota Yamakawa, Takashi Tomura, Jiro Hirokawa (Tokyo tech) AP2020-43 |
We have a problem of narrow bandwidth in the waveguide two-plane coupler. The two-plane coupler integrates the functions... [more] | AP2020-43 pp.57-61 |
| MW, AP (Joint) |
2020-09-24 13:50 |
Online | Online | [Poster Presentation]
Excitation by Metal Posts of a Square Arrangement of Slot Antennas in Alternating-Phase Feed Parallel-Plate Waveguide Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2020-44 |
A series-fed waveguide slot array antenna with an alternating-phase feed can be considered as a parallel plate waveguide... [more] | AP2020-44 pp.62-65 |
| MW, AP (Joint) |
2020-09-24 13:50 |
Online | Online | [Poster Presentation]
Control of the reception level using the millimeter-wave band waveguide slot array installed on the side in the touchless ticket gate Mizuki Kurose, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2020-45 |
One of the touchless ticket gates is a system in which an antenna on the ceiling of the ticket gate radiates a millimete... [more] | AP2020-45 pp.66-70 |
| MW, AP (Joint) |
2020-09-24 13:50 |
Online | Online | [Poster Presentation]
A Study of a Multi-layer Circularly Polarized Element for a Waveguide Corporate-feed Array Hiroki Nishimoto, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2020-48 |
A 60-GHz band corporate-feed waveguide slot array has been fabricated by diffusion bonding of laminated thin metal plate... [more] | AP2020-48 pp.75-78 |
| MWP | 2020-05-28 15:55 |
Online | Online | Transmission control of 120-GHz-band SRR bandstop filter Akihiko Hirata, Koichiro Itakura (CIT), Takashi Tomura, Jiro Hirokawa (TITECH), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) MWP2020-5 |
[more] | MWP2020-5 pp.23-26 |
| AP | 2020-03-26 14:30 |
Fukui | Fukui College (Cancelled but technical report was issued) |
Experimental evaluation in outdoor environment at 66 GHz band by LoS-MIMO configuration independent transmit distance Kentaro Nishimori, Naoki Matsumura, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT), Takashi Tomura, Jiro Hirokawa (TIT) AP2019-200 |
[more] | AP2019-200 pp.17-22 |
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