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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 116  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EST 2024-01-26
14:25
Kyoto Kyoto University ROHM Plaza
(Primary: On-site, Secondary: Online)
Application of electron density identification by VLF wave variations to realistic ionosphere model
Toshiyuki Irie, Yoshiaki Ando (UEC) EST2023-119
The identification method of electron density distribution is proposed. The method utilizes temporal variation of the ve... [more] EST2023-119
pp.112-116
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
09:35
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
Coupled analysis of a photoconductive antenna using the drift-diffusion and FDTD methods
Hayato Kobayashi, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EMT2023-10 MW2023-28 OPE2023-10 EST2023-10 MWPTHz2023-6
(To be available after the conference date) [more] EMT2023-10 MW2023-28 OPE2023-10 EST2023-10 MWPTHz2023-6
pp.6-10
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
EST 2023-05-19
11:25
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
An identification of ambient electron density profile in the lower ionosphere by using a temporal variation of VLF earth-ionosphere waveguide propagation
Toshiyuki Irie, Yoshiaki Ando (UEC) EST2023-3
The use of electromagnetic waves in the very low frequency (VLF; 3-30 kHz) band has been expected to serve as a possible... [more] EST2023-3
pp.11-16
EST 2023-05-19
13:25
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Analysis of a TM-pass polarizer using the three-dimensional semi-implicit FDTD method
Hiroto Miyao, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2023-5
We analyze a TM-pass/TE-stop terahertz waveguide polarizer with an InAs semiconductor layer using the three-dimensional ... [more] EST2023-5
pp.23-27
EST 2023-01-26
11:00
Okinawa
(Primary: On-site, Secondary: Online)
Film profiles optimization for multilayer-type multispectral filter array
Yasuo Ohtera (Toyama Prefectural Univ.), Yasuhide Tsuji (Inst. Tech.) EST2022-77
We investigated the film thickness optimization of a multilayer-type multispectral filter array for integrated multispec... [more] EST2022-77
pp.20-25
EST 2023-01-26
11:40
Okinawa
(Primary: On-site, Secondary: Online)
FDTD analysis of a plasmonic grating coupler
Hinami Nakasaka, Kazuma Takeya, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2022-79
We analyze a plasmonic grating coupler at optical frequencies, considering the angle of incidence and the shape of diele... [more] EST2022-79
pp.31-34
EST 2023-01-26
15:40
Okinawa
(Primary: On-site, Secondary: Online)
Extension of DCP-FDTD method to the three-dimensional problem for the analysis of arbitrarily-shaped dispersive media
Kazuma Takeya, Tetsuya Iwamoto, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2022-86
We have extended the contour-path effective-permittivity technique to three-dimensional (3-D) problems, in which a reaso... [more] EST2022-86
pp.64-69
EMT, IEE-EMT 2022-11-17
13:00
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Lecture] Development of programming language for efficient numerical electromagnetic-field analyses
Jun-ichiro Sugisaka (Kitami Inst. Tech.) EMT2022-48
It is difficult to create programming codes for electromagnetic analysis that maximize the processing speed while mainta... [more] EMT2022-48
pp.24-29
AP, SANE, SAT
(Joint)
2022-07-27
15:30
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
Time Reversal Algorithm Position Estimation of Cylindrical Target/s Using Direct Path and Multipath Cross-correlation
Hanns Christian Jaurigue Chua, Keizo Cho, Hiroaki Nakabayashi, Koji Suizu (Chiba Inst. of Tech) AP2022-43
This research proposes the usage of the time-reversal algorithm to estimate one and two passive thin cylindrical targets... [more] AP2022-43
pp.50-55
EST 2022-05-19
13:50
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Extension of the CP-EP FDTD method to the three-dimensional problem for the analysis of arbitrarily-shaped dielectric media
Kazuma Takeya, Tetsuya Iwamoto, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2022-3
The conventional finite-difference time-domain (FDTD) method is formulated in the Cartesian coordinate system. The stair... [more] EST2022-3
pp.12-17
EST 2022-01-27
09:35
Online Online Design and analysis of a three-dimensional TM-pass/TE-stop waveguide polarizer in the THz region
Hiroki Tanaka, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2021-56
We propose a THz TM-pass/TE-stop waveguide polarizer, the core of which is sandwiched by semiconductor layers. First, we... [more] EST2021-56
pp.1-5
EST 2022-01-27
11:20
Online Online Research on two-dimensional object shape recognition technology using AI
Hiroki Nishida, Ryuji Sanuki, Shu Otoshiro, Nanako Yoshimura, Hideaki Kimura (Chubu Univ.) EST2021-61
In recent years, the shortage of engineers due to the declining birthrate and aging population has become an issue. In t... [more] EST2021-61
pp.23-26
EST 2022-01-28
15:10
Online Online FDTD analysis of an InSb sphere array on a dielectric substrate in the THz region
Takuma Kuroda, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2021-92
We investigate a periodic array of an InSb sphere on a substrate at terahertz (THz) frequencies using the three-dimensio... [more] EST2021-92
pp.173-177
EST 2022-01-28
15:30
Online Online Analysis of arbitrarily-shaped dispersive media using the DCP-FDTD method in the THz region
Tetsuya Iwamoto, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2021-93
The conventional finite-difference time-domain (FDTD) method is formulated in the Cartesian coordinate system. Therefore... [more] EST2021-93
pp.178-182
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-07
11:35
Online Online Research on technology for predicting the causes and locations of system abnormalities
Hiroki Nishida, Ryuji Sanuki, Nanako Yoshimura, Hideaki Kimura (Chubu Univ.) EMCJ2021-31 MW2021-43 EST2021-33
In recent years, the shortage of engineers has become a problem due to the declining birthrate and aging population. In ... [more] EMCJ2021-31 MW2021-43 EST2021-33
pp.21-24
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-08
11:35
Online Online Development of the explicit FDTD method using the iterated Crank-Nicolson scheme
Jun Shibayama, Tomomasa Nishio, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EMCJ2021-46 MW2021-58 EST2021-48
The implicit finite-difference time-domain (FDTD) method has been developed using the Crank-Nicolson (CN) scheme, which ... [more] EMCJ2021-46 MW2021-58 EST2021-48
pp.92-95
EST 2021-01-21
14:05
Online Online Development of the FDTD method for the analysis of arbitrarily-shaped dispersive media
Jun Shibayama, Tetsuya Iwamoto, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2020-59
With the fi nite-difference time-domain (FDTD) method in the Cartesian coordinate system, the staircase approximation sh... [more] EST2020-59
pp.34-38
EST 2021-01-21
15:35
Online Online Shape Design of Dielectric Cover for Millimeter-Wave Waveguide Slot Array Antenna Using Topology Optimization
Kazuma Takita, Shun Togase, Masaki Tanaka, Keiichi Itoh (NIT, Akita) EST2020-62
Recent years, millimeter wave applications have been used widely as high-precision sensors for water level gauges, auto... [more] EST2020-62
pp.51-55
EST 2021-01-22
15:35
Online Online Efficient analysis of a TM-pass terahertz waveguide polarizer using implicit and semi-implicit FDTD methods
Shoko Gomi, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2020-77
A TM-pass terahertz waveguide polarizer is efficiently analyzed using implicit and semi-implicit finite- difference time... [more] EST2020-77
pp.124-128
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