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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SANE, SAT (Joint) |
2023-07-13 10:10 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Proposal for Broadband Reflectarray Antenna by Controlling Phase Center of Primary Radiator Ryusei Yamada, Masayoshi Takao, Shigeru Makino (KIT), Shin-ichi Yamamoto, Yasuhiro Nishioka (Mitsubishi Electric Corp)  AP2023-43 |
Reflector array antenna consists of a horn antenna as the primary radiator and a reflector mirror made of planes. The an... [more] | AP2023-43 pp.65-69 |
| EMT, IEE-EMT | 2022-11-17 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Lecture]
On fundamental of electromagnetic scattering analysis using characteristic basis function method Tai Tanaka, Shinichi Yamamoto (Mitsubishi Electric) EMT2022-50 |
Characteristic basis function method (CBFM), one of the domain decomposition method for the method of moments, can solve... [more] | EMT2022-50 pp.36-41 |
| EMT, IEE-EMT | 2022-11-18 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Phase measurement and adjustment of reflector antenna with beam waveguide feeds Shin-ichi Yamamoto, Hiroto Ado, Ryuya Seki, Yasuhiro Nishioka (Mitsubishi Electric Corp.) EMT2022-64 |
In recent years, the use of multiple 32-m class medium-sized reflector antennas arranged in an array configuration has b... [more] | EMT2022-64 pp.111-116 |
| 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 | 2022-03-10 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 | 2021-11-05 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 |
| 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 |
| 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, 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 |
| 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 | 2018-10-18 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 |
| RCS, SAT (Joint) |
2017-08-18 14:15 |
Niigata | Niigata Univ. | Channel Modeling on Satellite Communications for GNSS Buoy in the Ocean Kenichi Takizawa, Shinichi Yamamoto, Morio Toyoshima (NICT), Akira Futamura (NIT, Yuge College), Yukihiro Terada (NIT, Kochi College), Teruyuki Katoh (Univ. of Tokyo) SAT2017-39 |
[more] | SAT2017-39 pp.99-102 |
| EMCJ, IEE-EMC, MW, EST [detail] | 2015-10-22 10:55 |
Miyagi | Sakura Hall, Katahira Campus, Tohoku Univ. | A Coaxial OMT with TE21-Mode Coupler Hidenori Yukawa, Shin-ichi Yamamoto, Tetsuya Katase, Shuji Nuimura, Naofumi Yoneda (Mitsubishi Ele. Corp.) EMCJ2015-63 MW2015-102 EST2015-73 |
Waveguide orthomode junction (OMJ) is one of key components of antenna feed systems for satellite communication. It work... [more] | EMCJ2015-63 MW2015-102 EST2015-73 pp.23-28 |
| RCS, SAT (Joint) |
2015-08-18 13:40 |
Fukuoka | Fukuoka Univ. | [Encouragement Talk]
The satellite data transmission from marine and the future outlook
-- With the aim of early detection of disaster -- Kazuyoshi Kawasaki (NICT), Shin-ichi Yamamoto, Yukihiro Terada (KNCT), Teruyuki Kato (ERI), Osamu Motohashi (JAXA), Gousei Hashimoto (SED), Yuichi Saida, Ryo Matsuzawa (Hitz) SAT2015-23 |
We carried out the data transmission experiment for GPS tsunami meter from marine buoy which is installed in offshore of... [more] | SAT2015-23 pp.71-76 |
| SAT | 2014-10-24 17:00 |
Overseas | Hae-un-dae Grand Hotel, Busan, Korea | The test results of signal processor section of the satellite communication facilities for optical communication environment Isao Nakazawa, Shinichi Yamamoto, Amane Miura, Morio Toyoshima (NICT) SAT2014-50 |
In the optical space communication between the satellite and the earth station, it is effective to select the earth stat... [more] | SAT2014-50 pp.195-200 |
| SAT, RCS (Joint) |
2014-08-19 09:50 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | Data transmission experiment from the buoy using the Engineering Test Satellite VIII (ETS-VIII)
-- The aim of early detection of tsunami -- Shinichi Yamamoto, Kazuyoshi Kawasaki (NICT), Yukihiro Terada (KNCT), Teruyuki Kato (Univ. of Tokyo), Gousei Hashimoto, Osamu Motohashi (JAXA), Yuichi Saida, Ryo Matsuzawa (Hitz) SAT2014-26 |
The experiments were performed with the aim of to reducing the human damage by tsunami early detecting, transmit a tsuna... [more] | SAT2014-26 pp.5-10 |
| AP, SAT (Joint) |
2014-07-24 16:00 |
Gifu | Gero Citizen Hall | [Tutorial Lecture]
Diversity techniques to compensate rain attenuation for millimeter-wave satellite communications Wataru Chujo (Meijo Univ.), Takeshi Manabe (Osaka Pref. Univ.), Shinichi Yamamoto (NICT) AP2014-58 SAT2014-13 |
We introduce diversity techniques to compensate degradation of the satellite communication quality due to rainfall atten... [more] | AP2014-58 SAT2014-13 pp.57-60(AP), pp.7-10(SAT) |
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