Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2021-06-17 15:05 |
Online |
Online |
[Invited Lecture]
RCS Measurement Using Compact Range System Hisashi Morishita (National Defense Academy) AP2021-22 |
Radar Cross Section (RCS) are used not only in aircraft and ships but also in automobiles and human fingers, which is im... [more] |
AP2021-22 pp.19-24 |
R |
2021-06-12 14:00 |
Online |
Online (Zoom) |
An approximate method of network resirience Yasumasa Sagawa, Natsumi Takahashi, Tetushi Yuge (NDA) R2021-11 |
Resilience is an index that takes into account not only the reduction of damage caused by system failures, but also the ... [more] |
R2021-11 pp.1-6 |
AP |
2021-05-21 09:45 |
Online |
Online |
Mutual Coupling Reduction Between Dipole Antennas Using Mantle Cloak Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (Yokohama Rubber Co., Ltd.) AP2021-10 |
Recently, systems such as mobile terminals and digital terrestrial television broadcasting, ITS, RFID are used in the UH... [more] |
AP2021-10 pp.7-11 |
OFT |
2021-05-14 14:45 |
Online |
Online |
Optically-generated microwave detection by electric field sensor using Mach-Zehnder interferometer Tomoyuki Uehara, Matsumoto Minagi, Kenichiro Tsuji (NDA) OFT2021-9 |
A microwave is generated by optical beat of two lasers connected with optical fibers for the purpose of transmitting and... [more] |
OFT2021-9 pp.36-39 |
OFT |
2021-05-14 15:10 |
Online |
Online |
Distributed strain measurement using stimulated Brillouin scattering pumped by orthogonal two-wavelength pulses Kenichiro Tsuji, Tomoyuki Uehara (NDA) OFT2021-10 |
In the distributed strain measurement with a conventional BOTDA using stimulated Brillouin scattering, a polarization sc... [more] |
OFT2021-10 pp.40-43 |
OPE, OCS, OFT (Joint) [detail] |
2021-02-18 14:00 |
Online |
Online |
EDF laser using cascaded-chirped long period fiber grating in sigma configuration and its application to temperature sensing Koken Fukushima, Manuel Guterres Soares, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-56 OPE2020-76 |
We have constructed an EDF sigma laser (EDF$sigma$L) that employs a wavelength selection element consisting of a cascade... [more] |
OFT2020-56 OPE2020-76 pp.5-8 |
ITS, WBS, RCC |
2020-12-15 09:30 |
Online |
Online |
A Study on a Drone Recognition Method Based on Deep learning Using UWB Radar Daiki Kawaguchi, Ryohei Nakamura, Hisaya Hadama (NDA) WBS2020-21 ITS2020-17 RCC2020-24 |
[more] |
WBS2020-21 ITS2020-17 RCC2020-24 pp.73-78 |
AP (2nd) |
2020-12-10 09:35 |
Okinawa |
Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
Bistatic RCS Measurement of Dual Band and Dual Polarized Reflectarray Cong Oai Nguyen, Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research) |
In the fifth generation wireless communication systems, high frequency band such as the 28 GHz is used to high data rate... [more] |
|
RCS, AP, UWT (Joint) |
2020-11-25 09:25 |
Online |
Online |
Mantle Cloak Antenna by Controlling Surface Reactance of Dielectric Loaded Dipole Antenna Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2020-73 |
Recently, antennas for various systems are often placed in proximity in a narrow space with the miniaturization of wirel... [more] |
AP2020-73 pp.1-6 |
EA, ASJ-H, EMM |
2020-11-20 09:00 |
Online |
Online |
[Poster Presentation]
Improving wavelet-synchrosqueezing transform with calculating angular frequency using time shift Akira Kakutani, Takashi Matsubara, Keisuke Iwai, Takakazu Kurokawa (NDA) EA2020-21 EMM2020-36 |
Time-frequency analysis is mainly used for analyzing acoustic signals. Short-time Fourier transform by Allen, et al. and... [more] |
EA2020-21 EMM2020-36 pp.1-5 |
LOIS, ISEC, SITE |
2020-11-06 10:55 |
Online |
Online |
Information theoretical evaluation for visual secret sharing Le Thanh Thai Binh, Hidema Tanaka (NDA) ISEC2020-33 SITE2020-30 LOIS2020-13 |
[more] |
ISEC2020-33 SITE2020-30 LOIS2020-13 pp.7-12 |
OFT |
2020-10-08 09:10 |
Online |
Online |
[Poster Presentation]
Fabrication and elastic strain characteristics of cascaded long period fiber gratings Manuel Guterres Soares*, Koken Fukushima, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-11 |
We have proposed temperature and strain sensors based on cascaded chirped long period fiber gratings (C-CLPGs), which ar... [more] |
OFT2020-11 pp.8-12 |
OFT |
2020-10-08 10:00 |
Online |
Online |
[Poster Presentation]
Multipoint vibration sensing using low-reflective FBG-FPIs and laser diode modulated by triangular wave Koki Nakaya, Koken Fukushima, Manuel Guterres Soares, Atsushi Wada, Satoshi Tanaka (NDA) OFT2020-14 |
[more] |
OFT2020-14 pp.21-26 |
MW, AP (Joint) |
2020-09-25 09:00 |
Online |
Online |
A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Consideration by Characteristic Mode Analysis Quang Quan Phung, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2020-59 |
Recently, Massive MIMO (Multiple-Input Multiple-Output) has been developed as an elemental technology for next-generatio... [more] |
AP2020-59 pp.116-120 |
MW, AP (Joint) |
2020-09-25 09:25 |
Online |
Online |
A Study on Reduction of Electromagnetic Coupling between Symmetric Antennas Using Even-odd Mode Analysis Hiroshi Sato (panasonic), Phung Quang Quan (NDA), Kazuhiro Eguchi, Yoshio Koyanagi (panasonic), Hisashi Morishita (NDA) AP2020-60 |
In recent information terminals, MIMO technology that uses multiple antennas is often used for stable communication of l... [more] |
AP2020-60 pp.121-126 |
US |
2020-08-26 13:50 |
Online |
Online |
A study of sound velocity profile acquisition method using Doppler shift Masato Yoshiguchi, Hanako Ogasawara, Kazuyoshi Mori (NDA) US2020-22 |
Sound speed distribution, which is important to calculate sound propagation in the ocean, is currently estimated from a ... [more] |
US2020-22 pp.11-15 |
AP (2nd) |
2020-08-24 14:35 |
Online |
Online |
Study on the Configuration of Slit on Bowtie Antenna for Miniaturization and Bandwidth Enhancement Hikaru Takizawa, Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
A folded bow-tie antenna is one of the small and wideband antennas. Miniaturization of the folded bow-tie
antenna is p... [more] |
|
AP |
2020-08-21 09:00 |
Online |
Online |
Dual Frequency and Polarized Reflectarray Using Cross Dipole and Patch Elements Cong Oai Nguyen, Naobumi Michishita, Hisashi Morishita (Natinal Defense Acad.), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research) AP2020-23 |
[more] |
AP2020-23 pp.1-4 |
AP |
2020-05-21 13:00 |
Okinawa |
Tiruru Okinawa (Naha-city) (Cancelled, technical report was not issued) |
Dual Frequency and Polarized Reflectarray Using Cross Dipole and Patch Elements Cong Oai Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Acad.), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research) |
[more] |
|
OFT |
2020-05-15 09:00 |
Aomori |
Aomori Tourist Information Center ASPAM (Cancelled but technical report was issued) |
EDF ring laser using cascaded-chirped long period fiber grating and its application to temperature sensing Koken Fukushima, Bui Quoc Hung, Koki Nakaya, Manuel Guterres Soares, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-1 |
We have proposed a novel erbium-doped fiber ring laser (EDFRL) using a cascaded-chirped long period fiber grating (C-CLP... [more] |
OFT2020-1 pp.1-4 |