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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 64  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMT, IEE-EMT 2022-11-18
13:50
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Lecture] Antenna analysis using FDTD method -- Basics and latest technique --
Takuji Arima (TUAT) EMT2022-60
Electromagnetic field analysis is used in a wide range of applications, from the optical region to the very low-frequenc... [more] EMT2022-60
pp.89-92
MW 2022-05-19
15:40
Kyoto Kyoto Univ.
(Primary: On-site, Secondary: Online)
[Invited Talk] Optimization Design by Genetic Algorithm for Microwave Circuits and Elements
Mikio Tsuji, Hiroyuki Deguchi (Doshisha Univ.), Daichi Higashi MW2022-14
This talk presents optimizations for microwave circuits composed of arbitrary-shaped elements using a genetic algorithm ... [more] MW2022-14
p.2
AP, WPT
(Joint)
2022-01-21
13:05
Tottori Kenmin-Fureai-Kaikan
(Primary: On-site, Secondary: Online)
Analysis and design of a circularly-polarized element on a parallel plate waveguide with perpendicular corporate-feed
Hiroki Nishimoto, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2021-150
In a conventional corporate-feed waveguide circularly polarized slot array antenna, plural thin metal plates are stacked... [more] AP2021-150
pp.86-91
AP 2021-06-17
13:25
Online Online Optimal design of antennas by random deformation method and method of moments.
Akio Oga (EEM) AP2021-20
In order to optimally design the electrical characteristics of an antenna, we consider a method of adjusting the ON/OFF ... [more] AP2021-20
pp.7-12
MW, AP
(Joint)
2020-09-24
13:50
Online Online [Poster Presentation] A Study of a Multi-layer Circularly Polarized Element for a Waveguide Corporate-feed Array
Hiroki Nishimoto, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2020-48
A 60-GHz band corporate-feed waveguide slot array has been fabricated by diffusion bonding of laminated thin metal plate... [more] AP2020-48
pp.75-78
MW, AP
(Joint)
2020-09-24
15:50
Online Online Fundamental Study on Calculation of S11 for a Coaxial-loaded Type Stepped Cut-off Circular Waveguide Based on the Method of Moments
Kouji Shibata (Hachinohe Inst. of Tech.) MW2020-37
The author previously proposed a novel jig structure suitable for S11 calibration using SOM (short, open and reference m... [more] MW2020-37
pp.13-18
AP, SANE, SAT
(Joint)
2020-07-16
13:00
Online Online Numerical Analysis of Array Antennas Using Method of Moments Based on Far-Field Approximation of a Dyadic Green's Function in Free Space.
Tsukasa Susuga, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2020-17
The numerical analysis of a large-scale array antenna is computationally expensive, so it is essential to speed up the c... [more] AP2020-17
pp.45-49
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
AP 2019-10-17
12:30
Osaka Osaka Univ. [Poster Presentation] Far-Field Approximation of a Dyadic Green's Function in Free Space and Its Application to Method of Moments
Tsukasa Susuga, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2019-96
Since the numerical analysis of large-scale antennas using method of moments (MoM) is computationally expensive, reducti... [more] AP2019-96
pp.85-88
AP 2019-10-18
09:30
Osaka Osaka Univ. A Study on a Fast Numerical Analysis Method for Large-Scale Periodic Array Antennas on Multi-Layered Media
Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2019-97
In this report, a fast numerical analysis method for large-scale periodic array antennas on multi-layered media is discu... [more] AP2019-97
pp.89-94
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
15:35
Tokyo Kikai-Shinko-Kaikan Bldg. Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2019-24
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] WPT2019-24
pp.13-17
US 2019-06-17
16:00
Tokyo Akihabara satellite campus, Tokyo Metropolitan University Evaluation of liver fibrosis with high estimation accuracy by using moments of the probability density function of echo envelope in complex space
Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US2019-24
We have been developing a quantitative estimation method of liver fibrosis using multi-Rayleigh model to express a proba... [more] US2019-24
pp.25-30
WPT 2019-06-11
12:05
Hokkaido Hokkaido Univ. Passive-Element Circuit Model of a Wireless Power Transfer System
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2019-21
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] WPT2019-21
pp.57-61
AP 2019-02-21
13:05
Osaka Sumitomo Electric Industries (Osaka Works) [Invited Lecture] Design of Parallel Plate Slot Array by Method of Moments Analysis Considering Higher Order Distribution of Equivalent Magnetic Current on Slot Aperture
Koh Hashimoto, Makoto Higaki (Toshiba) AP2018-170
Parallel plate slot array antennas are known for their high-gain and high-efficiency characteristics. A radiating slot p... [more] AP2018-170
pp.1-6
AP 2018-12-13
15:20
Tokyo Kikai-Shinko-Kaikan Bldg. A Study on Source Reconstruction Method for Array Antenna Using Eigenmode Current
Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2018-150
In this report, a source reconstruction method for array antennas using eigenmode currents is presented. The eigenmode c... [more] AP2018-150
pp.27-31
AP 2018-03-08
15:10
Gunma Hotel Ichii (Kusatsu, Gunma) [Tutorial Lecture] Impedance Expansion Method -- A Circuit-Modeling Technique for Electrically-Very-Small Devices Based on the Method of Moments --
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) AP2017-194
The authors have proposed a circuit-modeling technique for electrically-very-small devices called the impedance expansio... [more] AP2017-194
pp.13-18
AP 2018-02-16
13:05
Tokyo Kozo Keikaku Engineering, Inc. [Invited Lecture] Radar Cross Section Analysis of Large Finite Periodic Structure with the use of Element Pattern
Tai Tanaka, Michio Takikawa, Yoshio Inasawa, Naofumi Yoneda, Hiroaki Miyashita (Mitsubishi Electric Corporation) AP2017-183
We propose a simple method to analyze radar cross section of a large scale periodic structure composed of finite number ... [more] AP2017-183
pp.41-45
WPT, EMCJ
(Joint)
2017-11-21
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. Analysis of a Wireless Power Transfer System by the Impedance Expansion Method
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2017-47
The impedance expansion method (IEM), which was previously proposed by the authors, is a circuit-modeling technique for ... [more] WPT2017-47
pp.15-20
WPT, EMCJ
(Joint)
2017-11-21
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2017-48
The impedance expansion method (IEM), which was previously proposed by the authors, is a circuit-modeling technique for ... [more] WPT2017-48
pp.21-26
EMT, IEE-EMT 2017-11-09
14:25
Yamagata Tendo Hotel (Tendo, Yamagata) Magnetic Field Integral Equation for Computer Simulation of Three Dimensional Waveguide
Masahiro Tanaka (Gifu Univ.) EMT2017-55
We derive a magnetic field integral equation for a three-dimensional waveguide composed of rectangular waveguides. Subst... [more] EMT2017-55
pp.91-95
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