| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, WPT
(Joint) |
2020-01-24
15:45 |
Kagawa |
Sunport Hall Takamatsu |
Reflectarray antenna changing beam direction by polarization 2
Mei Fukaya, Ryota Obata, Shigeru Makino (KIT), Michio Takikawa, Hiromasa Nakajima (MELCO) |
[more] |
|
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.) |
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) |
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.) |
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) |
(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.) |
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) |
[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) |
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 |
RCS, AP
(Joint) |
2018-11-22
10:40 |
Okinawa |
Okinawa Industry Support Center |
Frequency Characteristic Evaluation of Reflectarray Antenna Radiating Shaped-Beam
Mei Fukaya, Shigeru Makino, Aoi Kotoura, Yoshimi Sunaga (KIT), Michio Takikawa, Hiromasa Nakajima (ME) |
[more] |
AP2018-131
pp.167-170 |
RCS, AP
(Joint) |
2018-11-22
11:00 |
Okinawa |
Okinawa Industry Support Center |
A simple evaluation method of residual aberration in reflect arrays
Aoi Kotoura, Shigeru Makino, Yoshimi Sunaga (KIT), Michio Takikawa, Hiromasa Nakajima (Mitsubishi Electric) |
In the conventional method of evaluating the phase error frequency characteristic, the relationship between the phase er... [more] |
AP2018-132
pp.171-175 |
| EMT, IEE-EMT |
2018-11-17
10:25 |
Tottori |
Kaike Grand Hotel Tensui(Yonago, Tottori) |
A Study on Radar Cross Section Analysis of Small Group Targetv
Hiroshi Suenobu, Tai Tanaka, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric) |
Radar cross section (RCS) of small group target composed of multiple elements can be calculated approximately by array c... [more] |
EMT2018-62
pp.169-172 |
| EMT, IEE-EMT |
2018-11-17
11:15 |
Tottori |
Kaike Grand Hotel Tensui(Yonago, Tottori) |
Study on radio wave propagation over the sea using parabolic equation method
-- Wave frequency and antenna height dependence --
Kenya Shimizu, Takayuki Nakanishi, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric Corp.) |
[more] |
EMT2018-64
pp.177-180 |
| AP |
2018-10-18
14:05 |
Okayama |
Okayama Univ. |
A primary radiator horn antenna for rectangular reflector
Shin-ichi Yamamoto, Michio Takikawa (Mitsubishi Electric Corp.) |
Reflector antennas have generally circular or elliptical rim. In the case of an onboard satellite antenna, a rectangular... [more] |
AP2018-91
pp.13-18 |
AP, SANE, SAT
(Joint) |
2018-07-18
09:50 |
Hokkaido |
Hokkaido Univ. |
Influence on the Frequency characteristic phase error in zoning of reflect array antenna
Aoi Kotoura, Shigeru Makino, Kento Takeshima, Yoshimi Sunaga (KIT), Michio Takikawa, Hiromasa Nakajima (Mitsubishi Electric) |
Zoning is an essential technique for designing large arrays of reflect arrays. In this paper, we investigate the frequen... [more] |
AP2018-42
pp.1-5 |
| AP |
2018-04-20
14:00 |
Tokyo |
Hachijomachi-Shokokai |
Radio Propagation Estimation Using Point Cloud at ETC Gate Obtained from MMS
-- Dependence of Surface Reconstruction Algorithm on Estimation Accuracy --
Takahiro Hashimoto, Takayuki Nakanishi, Michio Takikawa, Naofumi Yoneda, Mamoru Miura, Yoshiaki Tuda (Mitsubishi Electric Corp.) |
In order to improve an efficiency of radio placement design of ETC (electoronic toll collection) system using radio prop... [more] |
AP2018-11
pp.53-56 |
| AP |
2018-03-08
14:35 |
Gunma |
Hotel Ichii (Kusatsu, Gunma) |
A design of meander line polarizer based on equivalent circuits
Hiromasa Nakajima, Tai Tanaka, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric) |
In this paper, we proposed the rapid design technique for the meander lines polarizer based on the equivalent circuits. ... [more] |
AP2017-193
pp.9-12 |
| AP |
2018-03-09
11:20 |
Gunma |
Hotel Ichii (Kusatsu, Gunma) |
A Study of Radio Propagation Statistical Model and Design for Indoor Environment
Takayuki Nakanishi, Takahiro Hashimoto, Kenya Shimizu, Michio Takikawa, Naofumi Yoneda (Mitsubishi Electric) |
[more] |
AP2017-199
pp.39-43 |
| AP |
2018-02-16
13:05 |
Tokyo |
Kozo Keikaku Engineering, Inc. |
[Invited Lecture]
Radar Cross Section Analysis of Large Finite Periodic Structure with the use of Element Pattern
Tai Tanaka, Michio Takikawa, Yoshio Inasawa, Naofumi Yoneda, Hiroaki Miyashita (Mitsubishi Electric Corporation) |
We propose a simple method to analyze radar cross section of a large scale periodic structure composed of finite number ... [more] |
AP2017-183
pp.41-45 |
| EMT, IEE-EMT |
2017-11-11
10:50 |
Yamagata |
Tendo Hotel (Tendo, Yamagata) |
Study for Comparison of Spline-Profile Horn using Mode Synthesis Ratio with Ideal HE11 mode and Corrugated Horn
Michio Takikawa, Hiroto Ado, Yoshio Inasawa, Naofumi Yoneda (Mitsubishi Electric), Hiroyuki Deguchi (Doshisha University) |
[more] |
EMT2017-73
pp.269-274 |