Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMT, PN, MWPTHz, IEE-EMT [detail] |
2024-01-23 09:40 |
Kyoto |
Kyoto Univ. Yoshida Campus |
Terahertz wave scattering experiment and simulation from random rough surface of dielectric on metal Yoshihide Asakura, Riku Yoshino, Arata Ogaki (Waseda Univ.), Jerdvisanop Cakarothai, Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2023-57 EMT2023-97 MWPTHz2023-85 |
Terahertz waves is attracting increasing attention such as Beyond 5G. However, due to short wavelength, it is needed to ... [more] |
PN2023-57 EMT2023-97 MWPTHz2023-85 pp.56-59 |
EMT, PN, MWPTHz, IEE-EMT [detail] |
2024-01-23 10:05 |
Kyoto |
Kyoto Univ. Yoshida Campus |
Scattering experiment and effect of polarization from wooden surface for terahertz wave Riku Yoshino, Yoshihide Asakura (Waseda Univ.), Jerdvisanop Chakarothai, Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2023-58 EMT2023-98 MWPTHz2023-86 |
The research about terahertz wave have been a careful attention toward Beyond 5G system. Because the wavelength of tera... [more] |
PN2023-58 EMT2023-98 MWPTHz2023-86 pp.60-63 |
ED, MWPTHz |
2023-12-21 15:20 |
Miyagi |
RIEC, Tohoku Univ. (Primary: On-site, Secondary: Online) |
Measurement and Simulation of Terahertz Wave Scattering from Dielectric Surfaces Riku Yoshino, Yoshihide Asakura, Ogaki Arata (Waseda Univ.), Jerdvisanop Chakarothai, Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) ED2023-54 MWPTHz2023-64 |
Millimeter and terahertz waves have been researched as an important factor for next wireless communication system such a... [more] |
ED2023-54 MWPTHz2023-64 pp.7-10 |
EMCJ |
2023-12-08 13:35 |
Shizuoka |
Shizuoka University (Hamamatsu) |
NSA Measurements using a Pair of Biconical Antennas Katsumi Fujii, Chakarothai Jerdvisanop (NICT) EMCJ2023-81 |
For the NSA method, which is one of the methods to validate EMI test sites used in radiated disturbance measurements, it... [more] |
EMCJ2023-81 pp.1-6 |
EMT, IEE-EMT |
2023-11-09 14:20 |
Yamaguchi |
Kaikyo Messe Shimonoseki |
Stability Analysis of Frequency-Dependent FDTD Method Using Fast Inverse Laplace Transform and Prony Method Jerdvisanop Chakarothai (NICT) EMT2023-69 |
[more] |
EMT2023-69 pp.36-40 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 15:40 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Analysis of Surface Impedance Using the Fast Inverse Laplace Transform and Prony's Method Kazuma Takeya (Hosei Univ.), Jerdvisanop Chakarothai (NICT), Jun Shibayama (Hosei Univ.), Yukihisa Suzuki (Tokyo Metropolitan Univ.), Katsumi Fujii (NICT) EMT2023-48 MW2023-66 OPE2023-48 EST2023-48 MWPTHz2023-44 |
We often employ the surface impedance method in analyzing the various electromagnetic (EM) problems of high-loss media. ... [more] |
EMT2023-48 MW2023-66 OPE2023-48 EST2023-48 MWPTHz2023-44 pp.196-201 |
AP |
2023-05-12 10:25 |
Okinawa |
Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Investigation of terahertz band indoor propagation loss model Hirokazu Sawada, Kazuki Tsushima, Riku Yoshino, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa, Takeshi Matsumura (NICT) AP2023-18 |
Sub-terahertz and terahertz waves are being considered for use in next-generation wireless communications to enable seve... [more] |
AP2023-18 pp.54-58 |
AP |
2022-10-19 12:20 |
Gifu |
GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Scattering Performance of Endfire Reflectorarray With Linear Monopole Elements Ryogo Aoki, Keisuke Konno, Qiang Chen (Tohoku Univ.), Jerdvisanop Chakarothai, Katsumi Fujii (NICT), Yasutaka Murakami (UEC) AP2022-121 |
[more] |
AP2022-121 pp.113-115 |
RCC, WBS, SAT, MICT |
2022-05-25 14:55 |
Online |
Online |
Design of electromagnetic scattering wall for improvement of wireless communications quality at 28 GHz Yasutaka Murakami (UEC), Jerdvisanop Chakarothai, Lira Hamada, Katsumi Fujii (NICT) WBS2022-5 RCC2022-5 SAT2022-5 MICT2022-5 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. In this frequency band, high-directivity (gain... [more] |
WBS2022-5 RCC2022-5 SAT2022-5 MICT2022-5 pp.18-21 |
RCS, SR, SRW (Joint) |
2022-03-03 09:55 |
Online |
Online |
A Consideration of Indoor Propagation Models in the 232-330 GHz Band Hirokazu Sawada, Takeshi Matsumura, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa (NICT) SRW2021-72 |
[more] |
SRW2021-72 pp.17-20 |
PEM (Workshop) |
2021-11-29 - 2021-11-30 |
Hokkaido |
Hokkaido Univ. (Hybrid by remote) (Primary: On-site, Secondary: Online) |
Uncertainty Evaluation of Optical Electric-Field Probe Calibration for Human Exposure Assessment at 85 kHz Yuto Shimizu (NICT), Eishi Oho (NICT/TUAT), Jerdvisanop Chakarothai, Tomoaki Nagaoka (NICT), Takuji Arima, Toru Uno (TUAT) |
The electromagnetic field in the intermediate frequency band (300 Hz–10 MHz) emitted from wireless power transfer (WPT) ... [more] |
|
EMCJ |
2021-07-01 13:05 |
Online |
Online |
An Investigation on Effect of Anisotropy of FR-4 Substrates to Signal Transmission Using FDTD Analysis Taiki Kitazawa (NAIST), Taiki Yamagiwa, Ren Kitahara (UEC), Jerdvisanop Chakarothai (NICT), Takashi Kasuga (NIT, Nagano College), Yuichi Hayashi (NAIST) EMCJ2021-17 |
Recently, FR-4 substrates are widely used in PCB. FR-4 substrates are composed of glass fiber and epoxy resin, and there... [more] |
EMCJ2021-17 pp.1-6 |
EMT, IEE-EMT |
2021-05-21 11:15 |
Online |
Online |
A Comparison on the Numerical Accuracy of the Reflection Coefficients in the Three Types of Frequency-Dependent FDTD Schemes Atsushi Sugimoto, Yukihisa Suzuki (Tokyo Metropolitan Univ.), Jun Shibayama (Hosei Univ.), Jerdvisanop Chakarothai (NICT) EMT2021-3 |
The reflection at the interface between air and gold whose dielectric properties are expressed by the Drude-Lorentz mode... [more] |
EMT2021-3 pp.13-18 |
EMCJ, IEE-EMC, IEE-SPC |
2020-12-11 09:30 |
Online |
Online |
EMI Measurements below 30MHz using a Loop Antenna
-- Effect on Location of Feeding Gap of Loop Antenna -- Jun Chikayama (TUAT), Jerdvisanop Chakarothai, Katsumi Fujii, Kanako Wake (NICT), Takuji Arima, Toru Uno (TUAT) EMCJ2020-56 |
Recently, equipment including wireless power transfer system using electromagnetic (EM) waves below 30 MHz have been dev... [more] |
EMCJ2020-56 pp.7-12 |
MW, EST, EMCJ, PEM, IEE-EMC [detail] |
2020-10-22 10:35 |
Online |
Online |
Investigation on Measurement Method of Radiated Electromagnetic Disturbance from EUTs Unable to Measure on Conventional Test Site Jerdvisanop Chakarothai, Katsumi Fujii, Yukio Yamanaka (NICT), Kimihiro Tajima (NTT-AT), Nobuyuki Mitsuzuka (TELEC) EMCJ2020-27 MW2020-41 EST2020-29 |
[more] |
EMCJ2020-27 MW2020-41 EST2020-29 pp.14-19 |
MW, EST, EMCJ, PEM, IEE-EMC [detail] |
2020-10-22 15:50 |
Online |
Online |
A Study on a Calibration Method for an Optical Electric-Field Probe in a Liquid Phantom Using a Sheathed Dipole Antenna at 85 kHz-Band Eishi Oho (TUAT/NICT), Yuto Shimizu, Jerdvisanop Chakarothai, Kanako Wake (NICT), Takuji Arima, Toru Uno (TUAT) |
[more] |
|
MW, EST, EMCJ, PEM, IEE-EMC [detail] |
2020-10-23 13:15 |
Online |
Online |
Basic Study on Signal Transmission Analysis of FR-4 Using FDTD Method Implemented Frequency Dispersion Taiki Kitazawa (NIT,Nagano College), Taiki Yamagiwa, Ren Kitahara (UEC), Jerdvisanop Chakarothai (NICT), Takashi Kasuga (NIT,Nagano College) EMCJ2020-44 MW2020-58 EST2020-46 |
Since the permittivity of FR-4 substrate has a frequency dispersion property, transmission characteristics change signif... [more] |
EMCJ2020-44 MW2020-58 EST2020-46 pp.109-114 |
EMCJ, EMD, WPT (Joint) [detail] |
2020-07-03 13:05 |
Online |
Online |
Circuit Modeling of Wireless Power Transfer System Considering Scattering from Perfect Conductor Nozomi Haga (Gunma Univ.), Jerdvisanop Chakarothai (NICT), Keisuke Konno (Tohoku Univ.) WPT2020-15 |
The impedance expansion method (IEM) is a circuit-modeling technique for electrically small devices based on the method ... [more] |
WPT2020-15 pp.1-6 |
EMCJ |
2020-07-02 14:15 |
Online |
Online |
Design of an electromagnetic scattering wall applying array antenna theory
-- Reduction of the thickness with metamaterial structures -- Yasutaka Murakami, Jerdvisanop Chakarothai, Katsumi Fujii (NICT) EMCJ2020-13 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. High-directivity(gain) antennas are actually u... [more] |
EMCJ2020-13 pp.13-17 |
EMCJ, IEE-SPC (Joint) |
2019-11-15 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Design of an electromagnetic scattering wall applying array antenna theory
-- Optimization for location of a transmitting antenna -- Yasutaka Murakami, Jerdvisanop Chakarothai, Katsumi Fujii (NICT) EMCJ2019-71 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. High-directivity(gain) antennas are actually u... [more] |
EMCJ2019-71 pp.1-6 |