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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-10-20 09:30 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
Influence of Substrate Permittivity for Bandwidth of Microstrip Antenna with Small Ground Plane Hideki Ueda, Ryotaro Ohashi (Murata Mfg.)  AP2023-120 |
Microstrip antennas (MSAs) have wider bandwidths of the reflection when the permittivity of the substrate is lower gener... [more] | AP2023-120 pp.117-122 |
| EMT, IEE-EMT | 2021-11-04 14:15 |
Online | Online | A Radar Cross Section Analysis to Generate Micro-Doppler Signatures Simulation Data for Machine Learning Ryotaro Ohashi, Hiroshi Suenobu, Dai Sasakawa, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric Corp.) EMT2021-32 |
We investigate the expansion of training data by simulated data for a machine learning model that identifies drones from... [more] | EMT2021-32 pp.19-24 |
| EMT, IEE-EMT | 2021-11-05 10:25 |
Online | Online | A Study on Compact Measurement Method of Bistatic Radar Cross Section Using Secondary Scattering Wave Hiroshi Suenobu, Ryotaro Ohashi, Shin-ichi Yamamoto, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric) EMT2021-46 |
Measurements of bistatic radar cross section requires a broad measurement space to obtain desired angles, but it is some... [more] | EMT2021-46 pp.94-97 |
| AP | 2021-02-19 15:40 |
Online | Online | [Invited Lecture]
A Study on the Characteristics of the EBG Structure Area in the Interference Suppression between Antennas Ryotaro Ohashi, Tai Tanaka, Shinichi Yamamoto, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric) AP2020-131 |
We investigate an interference suppression in a system with a conductor wall between two antennas. We evaluated the inte... [more] | AP2020-131 pp.81-85 |
| AP | 2018-03-09 09:55 |
Gunma | Hotel Ichii (Kusatsu, Gunma) | Design of a Dual-polarized Slot Array Antenna with Monopulse Corporate-feed Waveguides for Two-dimensional Orthogonal 8-multiplexing in the Non-far Region Kentaro Wada, Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Inst. of Tech.) AP2017-196 |
We have proposed a dual-polarized slot array antenna with monopulse corporate-feed waveguides for rectangular-coordinate... [more] | AP2017-196 pp.23-26 |
| AP, WPT (Joint) |
2018-01-19 15:10 |
Nara | ATR | Design of 16x16-element Monopulse Waveguide Slot Array Antenna with Corporate-feed in Rectangular-coordinate Orthogonal Multiplexing Transmission Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) AP2017-170 |
We have proposed an optimization design method for excitation coefficients that maximizes multiplexing transmission chan... [more] | AP2017-170 pp.111-114 |
| AP, MW (Joint) |
2017-09-22 09:20 |
Saitama | Saitama University | Design of the Excitation Coefficients of Monopulse Waveguide Slot Array Antenna with Corporate-feed in Rectangular-coordinate Orthogonality Multiplexing Transmission Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Inst. of Tech.) AP2017-90 |
[more] | AP2017-90 pp.13-17 |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | [Poster Presentation]
Feasibility of Antenna System for Rectangular-coordinate Orthogonality Multiplexing by using Corporate-feed Waveguide Slot Array Antenna and Monopulse Circuit Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) |
This paper discusses the multiplexing antenna system using two-dimensional orthogonal field distribution in the rectangu... [more] | |
| AP (2nd) |
2017-01-26 - 2017-01-27 |
Overseas | Malaysia-Japan International Institute of Technology (MJIIT) | Design of the Amplitude Distribution of an Antenna Aperture using Gaussian Mode Expansion in order to generate the Uniform Field Intensity in the Non-far Region Dan Mohri, Ryotaro Ohashi, Makoto Ando, Jiro Hirokawa (Tokyo Tech,) |
An aperture antenna with uniform field generates the ripples of the field intensity in its non-far region and potentiall... [more] | |
| AP, WPT (Joint) |
2017-01-20 16:20 |
Hiroshima | Hiroshima Institute of Technology | Feasibility of Multiplexing Antenna System using Two-dimensional Orthogonal Field Distribution in Rectangular Coordinates Jiro Hirokawa, Ryotaro Ohashi, Dan Mohri, Karim Tekkouk (Tokyo Tech) AP2016-152 |
This paper discusses the multiplexing antenna system using two-dimensional orthogonal field distribution in rectangular ... [more] | AP2016-152 pp.131-134 |
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