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 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
 Results 1 - 9 of 9  /   
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