Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP (2nd) |
|
Overseas |
Hotel Istana, Kuala Lumpur |
Phase Variation Analysis of Leaky Wave Antenna Composed of CRLH Transmission Line Using Equivalent Circuit Kazuki Terada, Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK) |
A leaky wave antenna configured by CRLH transmission lines has been proposed. There is a problem that the direction of t... [more] |
|
AP, SANE, SAT (Joint) |
2019-07-18 10:50 |
Miyagi |
Tohoku Univ. |
Study on Miniaturization of Bowtie Antenna with Folded Structure for Ground Penetrating Radar Hikaru Takizawa, Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (NDA) SANE2019-28 |
The antenna of GPR(Ground Penetrating Radar) used for the exploration such as buried objects under rubble at the time of... [more] |
SANE2019-28 pp.55-59 |
AP (2nd) |
2019-06-25 15:25 |
Hokkaido |
Wakkanai City Japan-Russia Friendship Hall |
Leakage current suppression of broadband monocone antenna by using electromagnetic band gap characteristics Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (NDA) |
The composite right/left-handed (CRLH) coaxial line (CL) is applied to the broadband choke structure for a monocone ante... [more] |
|
AP |
2019-02-22 14:25 |
Osaka |
Sumitomo Electric Industries (Osaka Works) |
[Invited Lecture]
CRLH Transmission Line Leaky Wave Antenna with Dual Band and Dual Polarized Wave by Grounded Coplanar Transmission Line Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2018-183 |
The authors have developed a left-handed leaky wave sector antenna with a grounded coplanar line so far. In this report,... [more] |
AP2018-183 pp.77-82 |
RCS, AP (Joint) |
2018-11-22 09:50 |
Okinawa |
Okinawa Industry Support Center |
Thin Cylindrical Cloaking Using Multi-layer Ceramic Capacitors Nguyen Thanh Binh, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2018-129 |
Recently, electromagnetic cloaking designed based on the transformation electromagnetics has attracted much attention. T... [more] |
AP2018-129 pp.157-160 |
AP |
2018-08-23 13:35 |
Saitama |
Nippon Inst. of Tech. |
A fundamental Study on Near-metal-Insensitive antenna for installation on metal walls Yuta Nakagawa, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2018-72 |
In order to achieve a near-metal-insensitive antenna for closed-space wireless communications, the impedance characteris... [more] |
AP2018-72 pp.29-33 |
AP |
2018-08-23 15:10 |
Saitama |
Nippon Inst. of Tech. |
[Tutorial Lecture]
Electromagnetic Metamaterials for Antenna Applications Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2018-75 |
Electromagnetic metamaterials are defined as artificial effectively homogeneous electrmagnetic structures with unusual p... [more] |
AP2018-75 pp.45-50 |
AP (2nd) |
2018-06-29 11:10 |
Tokyo |
Jinbo-cho Takahashi Bldg. 7F |
Monostatic RCS Measurement of Metasurfaces Using Multi-Layer Ceramic Capacitors Naoyuki Kinai, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) |
To miniaturize the size of the unit cell structure for the metasurface, this paper presents the metasurface using multi-... [more] |
|
AP |
2018-06-21 13:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Study of Low-Profile Cone Antenna with Trapezoidal Shaped Element Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2018-39 |
Small and low-profile antenna is necessary for moving vehicle to communicate various information. However, downsizing of... [more] |
AP2018-39 pp.9-13 |
AP (2nd) |
2018-05-30 09:50 |
Overseas |
The University of Da nang, University of Science and Technology |
Characteristics of Folded Bow Tie Antenna with a Reflector Jun Abiru, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Kenji Kawabata, Yasuhiro Murakami (Fujitsu) |
Broadband and small antennas have been required for various applications, such as high speed data communication and subs... [more] |
|
AP (2nd) |
2018-05-30 10:25 |
Overseas |
The University of Da nang, University of Science and Technology |
Left-Handed Metamaterial Composed of Multi-Layer Ceramic Capacitors and Strip Conductors Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber) |
A composition of a split ring resonator and a strip conductor, a composition of a multilayer ceramic capacitor (MLCC) an... [more] |
|
AP (2nd) |
2018-05-30 10:45 |
Overseas |
The University of Da nang, University of Science and Technology |
Metasurfaces Composed of Multi-Layered Ceramic Capacitors Mounted on Dielectric Substrate for Radar Cross Section Reduction Naoyuki Kinai, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) |
Typical metasurface structures consist of patch and mushroom structures. To reduce the size of the unit cell structure, ... [more] |
|
AP (2nd) |
2018-05-30 15:20 |
Overseas |
The University of Da nang, University of Science and Technology |
Current Rejection Characteristics of Coaxially Fed Antenna with Choke Structure Using Composite Right/Left-Handed Coaxial Line Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) |
A coaxially fed antenna with a choke structure composed of a composite right/left-handed coaxial line (CRLH CL) has been... [more] |
|
AP (2nd) |
2018-05-30 16:15 |
Overseas |
The University of Da nang, University of Science and Technology |
Characteristic Mode Analysis for U-Shaped Dipole Antenna Naoki Akiyama, Quan Phung Quang, Yuka Ishii, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
The recent portable terminal equipment including smart phone have various functions and have been required high performa... [more] |
|
AP (2nd) |
2018-05-30 16:35 |
Overseas |
The University of Da nang, University of Science and Technology |
Study of Low-Profile Discone Antenna with Simple Shaped Parasitic Element Kazuya Matsubayashi, Yuka Ishii, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
[more] |
|
AP (2nd) |
2018-05-31 09:40 |
Overseas |
The University of Da nang, University of Science and Technology |
Optimized Design of Radar Absorbent Material Using Dielectric Material by Genetic Algorithm Yuka Ishii, Naoki Akiyama, Kunihisa Gamou, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
[more] |
|
AP |
2018-04-20 10:55 |
Tokyo |
Hachijomachi-Shokokai |
Planar Sleeve Antenna Composed of Right/Left-Handed Transmission Line Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) AP2018-7 |
A choke structure is necessary to reduce the leakage current of a sleeve antenna, however, the size of the antenna becom... [more] |
AP2018-7 pp.33-36 |
AP |
2018-04-20 11:20 |
Tokyo |
Hachijomachi-Shokokai |
Negative Effective Permeability Material Composed of Multi-Layer Ceramic Capacitors Naoyuki Kinai, Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber) AP2018-8 |
Multi-layered ceramic capacitors (MLCC) has been employed for downsizing the unit cell structure of the metamaterial. In... [more] |
AP2018-8 pp.37-40 |
AP |
2018-03-08 13:45 |
Gunma |
Hotel Ichii (Kusatsu, Gunma) |
Sleeve Antenna Composed of Two Different Configuration of Right/Left-Handed Coaxial Lines Takatsugu Fukushima, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Naoya Fujimoto (Hitachi Kokusai Electric) AP2017-191 |
A small sleeve antenna composed of right/left-handed Coaxial lines (CRLH CLs) is proposed and of which characteristics a... [more] |
AP2017-191 pp.1-4 |
AP |
2017-08-25 13:20 |
Hokkaido |
National Institute of Technology, Hakodate College |
Dual-Polarized Left-Handed Leaky Wave Antenna Using Grounded Coplanar Transmission Line Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (Denki Kogyo), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2017-85 |
In this report, we propose a leaky-wave dual-polarized sector antenna using a CRLH line with grounded coplanar line , as... [more] |
AP2017-85 pp.93-98 |