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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-12-20 10:00 |
Aichi | Toyohashi University of Technology (Primary: On-site, Secondary: Online) |
Dielectric Constant Measurement of Liquids Using LC Resonant Circuit Realized on Circuit Board Rena Suetsugu, Yutaka Mimino, Takuichi Hirano (Tokyo City Univ.) |
(To be available after the conference date) [more] | |
| MW | 2024-11-14 10:40 |
Okinawa | JA Kume-jima Yuntaku house (Primary: On-site, Secondary: Online) |
Simulation evaluation of losses due to gaps occurring in split assembly of rectangular waveguide Takuichi Hirano (Tokyou City Univ.)  MW2024-125 |
Rectangular waveguides are often used at high frequencies because they are hollow and have no radiation loss. When fabri... [more] | MW2024-125 pp.13-17 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Proposal of a Simplified Design Model for Substrate Integrated Waveguide Masahiro Hashiba, Takuichi Hirano (Tokyo City Univ.) AP2024-85 |
In the millimeter wave band, radiation loss in transmission lines is a major issue. Substrate Integrated Waveguide (SIW)... [more] | AP2024-85 pp.83-84 |
| AP (2nd) |
2024-08-05 10:50 |
Tokyo | Chichijima | Measurement of the dielectric constant of liquids using a capacitor
-- Confirmation of accuracy through EM simulation -- Takuichi Hirano (Tokyo City Univ.) |
The accuracy of the method for measuring the dielectric constant of liquids using a capacitor was confirmed by electroma... [more] | |
| AP (2nd) |
2024-08-05 15:15 |
Tokyo | Chichijima | Approximate Evaluation of the Transmission Phase in Microstrip Line Bends Based on Geometric Shape
-- Optimal Shape for Arbitrary Bend Angles and Phase Change Due to Bending -- Yutaka Mimino, Takuichi Hirano (TCU), Naoya Okamoto, Shiro Ozaki, Naoki Hara (Fujitsu) |
We derived an approximate formula that provides the shape and phase change amount that minimizes the reflection loss for... [more] | |
| AP, SANE, SAT (Joint) |
2024-07-24 10:00 |
Hokkaido | Frontier Research in Applied Sciences Building, Hokkaido University (Primary: On-site, Secondary: Online) |
A Waveguide Antenna Array Module for Sub-THz Communications Shiro Ozaki (Fujitsu), Takuichi Hirano (Tokyo City Univ.), Naoya Okamoto, Yasuhiro Nakasha, Toshihiro Ohki, Naoki Hara (Fujitsu) AP2024-21 |
For sub-THz communication applications, we developed an antenna array module with element pitch less than 1 wavelength (... [more] | AP2024-21 pp.1-4 |
| AP (2nd) |
2023-12-07 10:40 |
Wakayama | Kiboukan (Nanki Shirahama) | Simulation evaluation of the influence of metal support and glass support on antenna gain probe measurements Takuichi Hirano (Tokyo City Univ.) |
[more] | |
| MW, AP (Joint) |
2023-09-28 16:15 |
Kochi | Kochi Castle Museum of History (Primary: On-site, Secondary: Online) |
Comparison of Transmission Characteristics of Wire Bonding and Flip Chip Bonding by Electromagnetic Simulation Takuichi Hirano (Tokyo City Univ.) MW2023-85 |
Wire bonding connections and flip-chip connections are mainly used to connect RF chips and substrates. In this paper, th... [more] | MW2023-85 pp.22-27 |
| AP, SANE, SAT (Joint) |
2023-07-12 17:40 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Analysis of radio wave propagation characteristics of multiple screen diffraction using finite element method analysis Takuichi Hirano (Tokyo City Univ.) AP2023-38 |
The author tried to analyze the problem of 4th Radio Propagation Modeling Competition (PMC4) of IEICE Technical Committe... [more] | AP2023-38 pp.41-43 |
| AP (2nd) |
2023-06-01 09:35 |
Nagano | Nagano Prefecture Minamimaki Village Office, Central Public Hall | Simulation evaluation of the effect of reflected waves on antenna gain measurements Takuichi Hirano (Tokyo City Univ.) |
[more] | |
| AP (2nd) |
2022-12-08 10:25 |
Okinawa | (Primary: On-site, Secondary: Online) |
Complex permittivity measurement of Si using THz-TDS Takuichi Hirano (TCU) |
Complex permittivity measurements of Si substrates were performed by terahertz time-domain spectroscopy (THz-TDS). 1) ca... [more] | |
| AP (2nd) |
2022-06-10 10:00 |
Hokkaido | Nemuro General Cultural Center (Primary: On-site, Secondary: Online) |
Electromagnetic Simulation and Understanding Principles of Network Analyzer Open-Short-Load Calibration Takuichi Hirano (Tokyo City Univ.) |
[more] | |
| MW, AP (Joint) |
2021-09-10 11:10 |
Online | Online | Relationship between OAM Modes and MIMO Modes of Double Ring Circular Array Hideaki Sugiura, Takuichi Hirano (TCU) MW2021-35 |
The MIMO eigenmodes generated from double ring circular array antennas was compared with Orbital Angular Momentum (OAM) ... [more] | MW2021-35 pp.12-17 |
| AP | 2021-05-21 14:25 |
Online | Online | [Tutorial Lecture]
Fundamentals of Finite Element Method for Electromagnetic Simulation and Canonical Problem Examples Takuichi Hirano (Tokyo City Univ.) AP2021-18 |
With the development of computers and analysis methods, electromagnetic field simulators have become an indispensable to... [more] | AP2021-18 pp.48-53 |
| EST | 2019-05-17 14:40 |
Aichi | Nagoya Inst. Tech. | Dielectric Constant Change of Silicon Substrate after H/He Ion Irradiation for Loss Reduction Takuichi Hirano (Tokyo City Univ.), Maya Mizuno (NICT), Ning Li (Sophia Univ.), Takeshi Inoue, Masatsugu Sogabe (SHI-ATEX), Kenichi Okada (Tokyo Tech.) EST2019-5 |
The hydrogen (H) or helium (He) ion irradiation on a silicon (Si) substrate had been proposed to reduce loss in high fre... [more] | EST2019-5 pp.19-23 |
| EST, MW, EMCJ, IEE-EMC [detail] | 2018-10-19 11:35 |
Aomori | Hachinohe Chamber of Commerce and Industry(Hachinohe city, Aomori) | A Study of Loss Reduction in 60 GHz Band Silicon CMOS On-Chip Dipole Antenna using TSV Takuichi Hirano (Tokyo City Univ.) EMCJ2018-51 MW2018-87 EST2018-73 |
60 GHz CMOS on-chip antenna is low radiation efficiency due to large loss of silicon (Si) substrate. It is reported that... [more] | EMCJ2018-51 MW2018-87 EST2018-73 pp.105-109 |
| EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2018-07-20 10:45 |
Hokkaido | Quantitative evaluation of required distance between objects and absorbing boundaries in electromagnetic simulation for open space Takuichi Hirano (Tokyo City Univ.) EMT2018-36 MW2018-51 OPE2018-39 EST2018-34 MWP2018-35 |
Electromagnetic simulation is difficult because there are large freedom in modeling of excitation and boundaries. Absorb... [more] | EMT2018-36 MW2018-51 OPE2018-39 EST2018-34 MWP2018-35 pp.161-164 |
|
| ICD, MW | 2018-03-01 15:15 |
Shiga | The University of Shiga Prefecture | [Poster Presentation]
A Study of Impedance Mismatch for S-parameter Measurement using Network Analyzer Takuichi Hirano (Tokyo Tech) MW2017-185 ICD2017-109 |
S parameters of high frequency circuits are measured by a network analyzer. Calibration is performed before measurement ... [more] | MW2017-185 ICD2017-109 p.55 |
| MW | 2017-11-09 10:00 |
Okinawa | Miyakojima Marin Terminal Bldg. | Similarity of MIMO Eigenmode Transmission in Two Uniform Circular Arrays and OAM Transmission Takuichi Hirano (TokyoTech) MW2017-111 |
It had been shown that array weight vectors using uniform circular arrays (UCAs) in multiple-input multiple-output (MIMO... [more] | MW2017-111 pp.1-4 |
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-21 15:55 |
Hokkaido | Obihiro Chamber of Commerce and Industry | Influence of Higher-Order Modes at Waveguide Ports in Electromagnetic Simulation Takuichi Hirano (Tokyo Inst. of Tech.) EMT2017-42 MW2017-67 OPE2017-47 EST2017-44 MWP2017-44 |
Appropriate setting of boundary conditions and excitations are key point to master electromagnetic simulators. In this p... [more] | EMT2017-42 MW2017-67 OPE2017-47 EST2017-44 MWP2017-44 pp.207-210 |
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