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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 43  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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)
 [more]
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
EMT, IEE-EMT 2019-11-07
16:30
Saga Hotel Syunkeiya A Simulation of Electron Density Distribution Estimation for a Cylindrical Plasma Using Scattering Properties of the Axial-symmetric Multilayer Dielectric
Hiroshi Suenobu, Tai Tataka, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric Corp.) EMT2019-59
An estimation method for electron density distribution of the cylindrical plasma is investigated. In this paper, we esti... [more] EMT2019-59
pp.135-140
AP 2019-08-23
11:20
Hokkaido Hokkai-Gakuen Univ. A simple evaluation method of gain loss using aberration theory in reflect array antenna
Aoi Kotoura, Shigeru Makino, Yoshimi Sunaga, Sanshiro Shigemitsu (KIT), Michio takikawa, Hiromasa Nakajima (MELCO) AP2019-67
(To be available after the conference date) [more] AP2019-67
pp.107-110
AP
(2nd)
2019-06-25
16:05
Hokkaido Wakkanai City Japan-Russia Friendship Hall An Experimental Study of Radio Propagation using Diversity Antenna at Indoor Environment
Takayuki Nakanishi (MELCO), Kenzaburo Hitomi (MEE), Hiroaki Kotake, Satoshi Hanai, Michio Takikawa, Naofumi Yoneda (MELCO)
 [more]
AP 2019-06-20
14:50
Tokyo Kikai-Shinko-Kaikan Bldg. A study of low loss planar radome for wide angle beam scanning antenna
Hiromasa Nakajima, Shinichi Yamamoto, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2019-19
In this paper, we proposed the low loss multilayer radome for wide angle beam scanning antenna. It is known that the ele... [more] AP2019-19
pp.23-26
AP 2018-12-13
13:30
Tokyo Kikai-Shinko-Kaikan Bldg. Satellite mounted antennas using reflect arrays
Ryota Obata, Yoshimi Sunaga, Shigeru Makino (KIT), Michio Takikawa, Hiromasa Nakajima (MEC) AP2018-146
 [more] AP2018-146
pp.5-9
RCS, AP
(Joint)
2018-11-21
13:40
Okinawa Okinawa Industry Support Center An Experiment Result of Meteorological Elements and Radio Propagation Above Sea Environment at Standard Atmosphere using UAV
Takayuki Nakanishi, Kenya Shimizu, Michio Takikawa, Naofumi Yoneda (MELCO) AP2018-121
The tropospheric duct phenomenon occurs when the refractive index of the atmosphere in the troposphere is reversed and i... [more] AP2018-121
pp.113-117
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