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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-03-14 13:00 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Miniaturized structure of orthogonally polarized omnidirectional antenna with wideband characteristics Tomokazu Mizutani, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy), Hiroshi Sato, Yoshio Koyanagi (PSNRD), Hisashi Morishita (National Defense Academy)  AP2023-204 |
Recently, antennas for mobile stations and base stations are required to have a wideband antenna due to the diversificat... [more] | AP2023-204 pp.17-22 |
| AP | 2024-03-14 13:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Design Method of Platform Excitation Antenna and Feeding Structure Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy) AP2023-205 |
Miniaturization and low-profile are required for mobile device antennas. On the other hand, miniaturization and low prof... [more] | AP2023-205 pp.23-28 |
| RCC, ISEC, IT, WBS | 2024-03-13 09:40 |
Osaka | Osaka Univ. (Suita Campus) | An improvement method and security evaluation for the method of protecting ownership using digital watermark Dung Ta Anh, Hidema Tanaka (NDA) IT2023-76 ISEC2023-75 WBS2023-64 RCC2023-58 |
Since developing high-performance AI models requires significant time and cost, it is common to customize publicly avail... [more] | IT2023-76 ISEC2023-75 WBS2023-64 RCC2023-58 pp.5-11 |
| R | 2024-02-29 16:20 |
Shimane | Algorithm of evaluating network performance for resilience analysis Kotaro Fujikura, Natsumi Takahashi, Tetsushi Yuge (NDA) R2023-61 |
Resilience in engineering is the ability of a system to maintain its functionality and to recover quickly and effectivel... [more] | R2023-61 pp.36-41 |
|
| AP | 2024-02-16 16:00 |
Mie | Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
Wideband Vertical Polarized Omnidirectional Antenna Using Cylindrical Slot Loop Sho Hirano, Tomokazu Mizutani, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy) AP2023-199 |
[more] | AP2023-199 pp.62-65 |
| AP, WPT (Joint) |
2024-01-18 15:45 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Gain Enhancement of Low-profile Folded Dipole Antenna Array Go Kasahara, Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy) AP2023-174 |
The gain of a low-profile antenna can be improved by loading a dielectric layer. In this report, we investigate a low-pr... [more] | AP2023-174 pp.77-80 |
| AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas | EPU, Hanoi | Transmit array elements that tilt beam through glass using Huygens' metamaterials. Kenta Fujii, Keizo Cho (CIT), Naobumi Michishita (NDA), Hiroaki Nakabayashi (CIT), Takayoshi Sasaki, Warangkana Chaihongsa, Keisuke Sato, Ichiro Oshima (DKK) |
In this paper, we discuss the design of a transmit array capable of transmitting 28 GHz band radio waves through glass w... [more] | |
| ITS, WBS, RCC | 2023-12-22 14:50 |
Okinawa | (Primary: On-site, Secondary: Online) |
Fundamental study on Micro Micro-Doppler Detection of Moving Drone using Millimeter Millimeter-wave Fast Chirp Modulation Radar Dovchin Tsagaanbayar, Kenshi Ogawa, Ryohei Nakamura (NDA) WBS2023-58 ITS2023-41 RCC2023-52 |
It is important to realize a system to detect and monitor drones, and radar is one of the effective detection technologi... [more] | WBS2023-58 ITS2023-41 RCC2023-52 pp.156-160 |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
time-optimal quantum control robust against systematic errors Shingo Kukita (NDA), Haruki Kiya, Yasushi Kondo (Kindai Univ.) |
[more] | |
| AP (2nd) |
2023-12-07 14:15 |
Wakayama | Kiboukan (Nanki Shirahama) | Simple Measurement Method for Reflectarray Using Monostatic-Bistatic Equivalence Theorem Keiji Swairi, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy) |
In fifth-generation mobile communications, coverage holes are concerned due to the use of millimeter-wave bands. Reflect... [more] | |
| MW | 2023-11-16 17:15 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
A study of Position Estimation by Intercepting Control Signals of Drones Taiki Shibata, Toshihisa Kamei (NDA) MW2023-137 |
In this study, we investigated a method for estimating the position of a drone using a passive method in order to deal w... [more] | MW2023-137 pp.59-64 |
| AP, RCS (Joint) |
2023-11-17 14:30 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Mutual coupling suppression by a square rod mantle cloak antenna with strip conductors Shuhei Ozawa, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy), Kiyoshi Sakimoto, Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2023-153 |
Various mantle-cloak antennas have been proposed to suppress mutual coupling. However, the bandwidth between operating f... [more] | AP2023-153 pp.121-126 |
| LOIS, SITE, ISEC | 2023-11-10 12:10 |
Hiroshima | Satellite Campus Hiroshima (Primary: On-site, Secondary: Online) |
Zero-Knowledge Proofs for ownership of Deep Neural Network Shungo Sato, Hidema Tanaka (NDA) ISEC2023-67 SITE2023-61 LOIS2023-25 |
Because AI technologies have rapidly spread and developed in our society, Neural Networks, which are one of Machine Lear... [more] | ISEC2023-67 SITE2023-61 LOIS2023-25 pp.86-92 |
| OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 09:30 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Distance correction of X-band radar by laser lidar Tomoyuki Uehara, Shuji Sayama, Tsuji Kenichiro (NDA) OFT2023-12 |
Radars are used to detect ships, structures, drones. Radars installed on ships and on land radars are placed on top of s... [more] | OFT2023-12 pp.17-20 |
| R | 2023-07-28 10:45 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Algorithm for stochastic flow network interdiction problem Kazuki Hayashi, Natsumi Takahashi, Tetsushi Yuge (NDA) R2023-10 |
In this paper, we consider the network interdiction problem using the expected profit as a metric. The objective is to m... [more] | R2023-10 pp.1-6 |
| HIP, HCS, HI-SIGCOASTER [detail] | 2023-05-15 15:35 |
Okinawa | Okinawa Industry Support Center (Primary: On-site, Secondary: Online) |
Analysis of spatio-temporal characteristics of asymmetric mislocalization in the flash-lag effect Akihiro Fukada, Kenji Yokoi (NDA) HCS2023-17 HIP2023-17 |
Although various explanations have been proposed for the flash-hag effect, the whole mechanism has been unclear yet. In ... [more] | HCS2023-17 HIP2023-17 pp.79-84 |
| AP | 2023-05-12 14:40 |
Okinawa | Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Mantle Cloak Antennas with Rejection Band in Close Frequency Naobumi Michishita, Shuhei Ozawa, Hiroshi Hashiguchi (National Defense Academy), Kiyoshi Sakimoto, Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2023-21 |
Various mantle-cloak antennas have been proposed to suppress mutual coupling. However, the operating frequency band and ... [more] | AP2023-21 pp.70-74 |
| AP | 2023-03-17 13:10 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
A Study on Decoupling Method Operating at Single and Dual-Frequency for Planar Inverted-F Antennas by Using Parasitic Elements and Bridge Line Quang Quan Phung, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2022-247 |
In recent years, Multiple-Input Multiple-Output (MIMO) is known as an elemental technology for next-generation communica... [more] | AP2022-247 pp.76-80 |
| R | 2023-03-10 15:50 |
Hiroshima | (Primary: On-site, Secondary: Online) |
Search Space Reduction using Neighborhood in Genetic Algorithm Natsumi Takahashi, Tetsushi Yuge (NDA), Tomoaki Akiba (CIT) R2022-54 |
In this study, we consider two-objective network design problem with all-terminal reliability and construction costs. Th... [more] | R2022-54 pp.37-40 |
| AP | 2023-02-16 14:15 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Compact Beam Forming Antenna based on Phase Gradient Huygen's Transmitarray and Fabry-Perot Antenna Source Takayoshi Sasaki, Tanan Hongnara, Yoshiki Shirasawa, Warangkana Chaihongsa, Katsumori Sasaki, Keisuke Sato, Ichiro Ohshima (DKK), Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA) AP2022-217 |
In this report, we propose a compact and low profile antenna with controllable directivity by combining a Fabry-Perot re... [more] | AP2022-217 pp.111-115 |
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