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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 49  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE 2022-05-24
16:00
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
Grid-loaded Step Reflector Antenna with TM01-Mode Excitation for Pencil Beam Radiation Pattern
Shin-ichi Yamamoto, Shuji Nuimura, Michio Takikawa (Mitsubishi Electric Corp.) SANE2022-12
A reflector antenna excited by the TM01 circular waveguide mode is being studied. Since the conventional reflector anten... [more] SANE2022-12
pp.61-66
AP 2022-04-15
13:40
Yamagata Yamagata Syokuryo Kaikan
(Primary: On-site, Secondary: Online)
Radio Propagation Simulation in Wide Urban Area by Combining Buildings
Takuro Mamiya, Takayuki Nakanishi, Michio Takikawa, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2022-8
Radio propagation simulations in wide urban areas using a ray tracing are effective to evaluate the radio communication ... [more] AP2022-8
pp.40-45
AP 2022-04-15
14:05
Yamagata Yamagata Syokuryo Kaikan
(Primary: On-site, Secondary: Online)
Experimental verification of radio propagation statistical model for indoor environments
Takayuki Nakanishi (MELCO), Izuru Naito (NTNC), Hiroaki Kotake, Satoshi Hanai, Michio Takikawa, Yoshio Inasawa (MELCO) AP2022-9
 [more] AP2022-9
pp.46-51
AP 2022-03-10
13:10
Online Online Study for deployable cylindrical reflector antenna
Hiromasa Nakajima, Shinichi Yamomoto, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2021-186
In the synthetic aperture radar (SAR), a narrow beam in the direction of travel of the satellite and a wide beam in the ... [more] AP2021-186
pp.26-29
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 2021-03-26
09:35
Online Online An Experimental Study of Radio Scattering Multipath by Random Wave Surface
Takayuki Nakanishi, Kenya Shimizu, Takahiro Hashimoto (MELCO), Kenzaburo Hitomi (MEE), Michio Takikawa, Yoshio Inasawa (MELCO) AP2020-133
 [more] AP2020-133
pp.7-12
AP 2021-02-18
13:00
Online Online [Invited Lecture] Path loss prediction via convolutional neural network using area segmentation
Kenya Shimizu, Takayuki Nakanishi, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2020-116
 [more] AP2020-116
pp.1-4
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
WPT, AP
(Joint)
2021-01-21
14:30
Online Online A measurement of deployable center-fed reflectarray antenna
Hiromasa Nakajima, Shinichi Yamamoto, Michio Takikawa, Syuji Nuimura, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2020-106
In this paper a deployable center-fed reflectarray antenna for mobile satellite communication systems is proposed. The p... [more] AP2020-106
pp.19-22
RCS, AP, UWT
(Joint)
2020-11-25
10:15
Online Online Grid-loaded Step Reflector Antenna with Coaxial-Mode Excitation
Shin-ichi Yamamoto, Shuji Nuimura, Michio Takikawa (Mitsubishi Electric Corp.) AP2020-75
A reflector antenna excited by TM01 circular waveguide mode is being studied. Since the conventional reflector antenna w... [more] AP2020-75
pp.11-16
RCS, AP, UWT
(Joint)
2020-11-25
10:40
Online Online Reflectarray antenna radiating shaped-beam using simple evaluation method
Sanshiro Shigemitsu, Mei Fukaya, Shigeru Makino (KIT), Michio Takikawa, Hiromasa Nakajima (MELCO) AP2020-76
 [more] AP2020-76
pp.17-21
RCS, AP, UWT
(Joint)
2020-11-25
11:45
Online Online Study of spacing between resonating elements for high efficiency and low sidelobes
Shota Takino, Shigeru Makino, Mei Fukaya, Sanshiro Shigemitsu (KIT), Michio Takikawa, Hiromasa Nakajima (MELCO) AP2020-78
 [more] AP2020-78
pp.28-32
EMT, IEE-EMT 2020-11-05
13:00
Online Online A Verification of the Estimation Method for Permittivity Distribution from Scattering Property Measurement of a Multilayer Dielectric Cylindar
Hiroshi Suenobu, Shinichi Yamamoto, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric Corp.) EMT2020-29
 [more] EMT2020-29
pp.12-16
AP, SANE, SAT
(Joint)
2020-07-16
11:10
Online Online [Invited Lecture] Accelerating ray tracing using nonuniform ray launching directions
Takahiro Hashimoto, Michio Takikawa (Mitsubishi electric) AP2020-15
Ray-tracing has been successfully used as a site specific radio propagation model adopted to wide range applications suc... [more] AP2020-15
pp.33-38
AP 2020-03-27
12:20
Fukui Fukui College
(Cancelled but technical report was issued)
An Evaluation of the Interference Suppression between Antennas by the EBG Structure on the Conductor Wall
Ryotaro Ohshi, Tai Tanaka, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2019-206
We investigate an interference suppression in a system with a conductor wall between two antennas. In this paper, we eva... [more] AP2019-206
pp.53-56
AP 2020-02-21
13:00
Shizuoka Shizuoka Univ. Hamamatsu Campus [Invited Lecture] Analysis of low elevation GPS signal propagation using parabolic equation considered sea surface impedance in tropospheric ducting
Kenya Shimizu, Takayuki Nakanishi, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2019-191
On developing a robust wireless system and a highly efficient radar system on a ship, it is important to estimate the at... [more] AP2019-191
pp.59-62
AP, WPT
(Joint)
2020-01-23
16:25
Kagawa Sunport Hall Takamatsu A Dual-polarized Stacked Reflectarray Antenna with changing beam-direction
Mei Fukaya, Ryota Obata, Shigeru Makino (KIT), Michio Takikawa, Hiromasa Nakajima (MELCO) AP2019-163
Recent research has proposed a multi-beam system with fewer mirror configurations by sharing V and H polarized waves wit... [more] AP2019-163
pp.73-76
AP, RCS
(Joint)
2019-11-20
11:20
Saga Saga Univ. A measurement of low loss planar radome for wide angle beam scanning antenna
Hiromasa Nakajima, Shinichi Yamamoto, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2019-108
We proposed the low loss multilayer radome for wide angle beam scanning planar antenna. The radome is combined multiple ... [more] AP2019-108
pp.13-17
AP, RCS
(Joint)
2019-11-21
10:15
Saga Saga Univ. Evaluation method of axial ratio using only the reflection coefficient of waveguide circular polarizer
Shin-ichi Yamamoto, Yuya Ida, Michio Takikawa (Mitsubishi Electric Corporation) AP2019-120
A circularly polarized feed circuit in a primary radiator of a reflector antenna is often required to have a low axial r... [more] AP2019-120
pp.81-86
 Results 1 - 20 of 49  /  [Next]  
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