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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 48  /  [Next]  
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
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