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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP (2nd) |
2022-06-10 11:00 |
Hokkaido | Nemuro General Cultural Center (Primary: On-site, Secondary: Online) |
A Helmet Antenna with Disk-Loaded Monopole Structure for Disaster Prevention Taiyo Kai, Naobumi Michishita, Hisashi Morishita (NDA) |
[more] | |
| CQ, CS (Joint) |
2022-05-12 11:40 |
Fukui | Fukui (Fuku Pref.) (Primary: On-site, Secondary: Online) |
Experimental Evaluation of the Effect of Feedback Period on Remote Control of a Driving Vehicle Using a Digital Twin Masaki Minagawa, Yudai Yoshimoto, Ryouhei Nakamura, Hisaya Hadama (NDA)  CS2022-2 |
In remote control of a moving vehicle via the Internet, the use of digital twin (DT) can reduce the effects of transmiss... [more] | CS2022-2 pp.7-11 |
| AP | 2022-04-15 11:25 |
Yamagata | Yamagata Syokuryo Kaikan (Primary: On-site, Secondary: Online) |
Excitation of Traveling Wave on Metal Casing Using Folded Dipole Antenna Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2022-5 |
Multiple antennas have been installed on mobile devices. Frequency bands used for communication are shifting to higher f... [more] | AP2022-5 pp.24-27 |
| AP | 2022-03-10 16:25 |
Online | Online | [Invited Talk (Young Researcher)]
Mutual Coupling Reduction Between Antennas by Using Electromagnetic Cloaking Thanh Binh Nguyen, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2021-191 |
Recently, with the increase in 5G and IoT (Internet of Thing) devices, the interference inside and outside wireless devi... [more] | AP2021-191 pp.50-55 |
| IT, ISEC, RCC, WBS | 2022-03-10 10:05 |
Online | Online | A Fundamental study on multiple drone detection using a millimeter-wave fast chirp modulation radar Masashi Kurosaki, Ryohei Nakamura, Hisaya Hadama (NDA) IT2021-94 ISEC2021-59 WBS2021-62 RCC2021-69 |
In recent years, the rapid development and spread of drones has attracted attention in a variety of fields, military, ag... [more] | IT2021-94 ISEC2021-59 WBS2021-62 RCC2021-69 pp.72-77 |
| AP | 2022-02-18 10:25 |
Online | Online | [Invited Lecture]
Various decoupling methods between MIMO antennas Part 2. Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba university), Hisashi Morishita (National Defense Academy) AP2021-169 |
In order to realize large-capacity wireless communication, it is common to install MIMO technology in a small terminal. ... [more] | AP2021-169 pp.61-66 |
| RECONF, VLD, CPSY, IPSJ-ARC, IPSJ-SLDM [detail] | 2022-01-25 09:30 |
Online | Online | GPU acceleration of algorithm for minimal distance approximate calculation between two objects Masumi Fukuta, Takakazu Kurokawa, Takashi Matsubara, Keisuke Iwai (NDA) VLD2021-62 CPSY2021-31 RECONF2021-70 |
(To be available after the conference date) [more] | VLD2021-62 CPSY2021-31 RECONF2021-70 pp.73-77 |
| MW | 2021-12-16 16:05 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Remote phase control of microwave signals generated by optical beat using 1.3μm-band SOA with 1.55μm-band signal light Shunya Hayashi, Tomoyuki Uehara, Kenichiro Tsuji (NDA) MW2021-94 |
Optical fiber wireless technology has been attracting attention to effectively transmit high-frequency wireless signals.... [more] | MW2021-94 pp.55-60 |
| WBS, RCC, ITS | 2021-12-13 09:00 |
Online | Online | [Poster Presentation]
Experimental study on Micro-Doppler Characteristics of Drones using a Millimeter-wave Fast Chirp Modulation Radar Masashi Kurosaki, Ryohei Nakamura, Hisaya Hadama (NDA) WBS2021-41 ITS2021-15 RCC2021-48 |
In recent years, the rapid development and spread of drones has attracted attention in a variety of fields, military, ag... [more] | WBS2021-41 ITS2021-15 RCC2021-48 pp.40-44 |
| AP (2nd) |
2021-12-02 11:10 |
Okinawa | Miyakojima (Primary: On-site, Secondary: Online) |
A Study on Decoupling Method Operating at Single and Dual-Frequency for Planar Inverted-F Antennas by Using Parasitic Elements Quang Quan Phung, Naobumi Michishita (National Defense Academy), Hiroshi Sato, Yoshio Koyanagi (Panasonic System Networks R&D Lab.), Hisashi Morishita (National Defense Academy) |
In recent years, Multiple-Input Multiple-Output (MIMO) is known as an elemental technology for next-generation communica... [more] | |
| AP, RCS (Joint) |
2021-11-11 09:55 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Prototype Evaluation of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-110 |
Multi-band base station antennas have the problem that interference to adjacent areas increases in the low frequency ban... [more] | AP2021-110 pp.56-60 |
| AP, RCS (Joint) |
2021-11-12 10:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Orthogonal Polarized Antenna Using Wideband Halo Antenna Tomokazu Mizutani, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2021-122 |
[more] | AP2021-122 pp.112-115 |
| AP, RCS (Joint) |
2021-11-12 10:55 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Study on reduction of electromagnetic coupling between two antennas using Characteristic Mode Analysis Hiroshi Sato (Panasonic), Phung Quang Quan (NDA), Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2021-123 |
In order to reduce the size of information terminals, it is necessary to minimize the required volume of antennas by arr... [more] | AP2021-123 pp.116-121 |
| AP, RCS (Joint) |
2021-11-12 11:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Sidelobe Reduction for Dual Frequency and Polarization Reflectarray Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Takuya Ohto, Masayuki Nakano (KDDI Research, Inc) AP2021-124 |
[more] | AP2021-124 pp.122-125 |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
A choke structure of the sleeve antenna is required to suppress the leakage current. However, the choke length is 1/4 wa... [more] | |
| OFT | 2021-10-14 14:55 |
Online | Online | Multipoint vibration sensing using low-reflective FBG-FPIs
-- study of measurement speed -- Atsushi Wada, Koki Nakaya, Koken Fukushima, Satoshi Tanaka (NDA) OFT2021-43 |
A Fabry Perot interferometer (FPI) consisting of low reflective fiber Bragg gratings (FBG) has a spectrum with a sinusoi... [more] | OFT2021-43 pp.85-88 |
| MW, AP (Joint) |
2021-09-09 14:00 |
Online | Online | Matching Circuit Design of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-56 |
In a base station antenna that shares multiple frequency bands, The direction of radiation is the same in the shared fre... [more] | AP2021-56 pp.1-5 |
| WBS, MICT | 2021-07-30 10:30 |
Online | Online | [Poster Presentation]
Comparison of Drone Classification Accuracy for CNN Models Using Range Profile Images of UWB Rada Daiki Kawaguchi, Ryohei Nakamura, Hisaya Hadama (NDA) WBS2021-22 MICT2021-15 |
[more] | WBS2021-22 MICT2021-15 pp.1-6 |
| AP, SANE, SAT (Joint) |
2021-07-29 10:50 |
Online | Online | Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2021-34 |
A choke structure is required to suppress the leakage current of the sleeve antenna. The miniaturized sleeve antenna has... [more] | AP2021-34 pp.61-64 |
| AP (2nd) |
2021-06-18 11:05 |
Online | Online | Measurement of Cylindrical Cloak by Controlling Arrangement Density of Multi-Layer Ceramic Capacitors Thanh Binh Nguyen, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (Yokohama Rubber Co., Ltd) |
[more] | |
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