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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 34件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2020-03-27
12:20
Fukui Fukui College 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
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) AP2018-131
 [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) AP2018-132
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) EMT2018-62
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.) EMT2018-64
 [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.) AP2018-91
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) AP2018-42
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.) AP2018-11
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) AP2017-193
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) AP2017-199
 [more] AP2017-199
pp.39-43
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