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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, ED | 2025-01-23 13:25 |
Tokyo | fukaya-kouminkan (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Design of Stack Structured Filtering Antenna Array with Transmission Zeros Using only Adjacent Resonator Couplings Chiharu Ikeda (Saitama Univ.), Masataka Ohira (Doshisha Univ.), Zhewang Ma (Saitama Univ.), Hiroyuki Deguchi (Doshisha Univ.) |
[more] | |
| MW | 2024-12-19 15:30 |
Aichi | Toyohashi University of Technology (Aichi, Online) (Primary: On-site, Secondary: Online) |
A New Coupling Configuration of Reflectionless Bandpass Filters and Its Microstrip Filter Design Koya Hirota (Saitama Univ.), Masataka Ohira (Doshisha Univ.), Zhewang Ma (Saitama Univ.), Hiroyuki Deguchi (Doshisha Univ.)  MW2024-147 |
In recent years, there has been active researches on reflectionless bandpass filters (BPFs) that can absorb reflected si... [more] | MW2024-147 pp.18-23 |
| EMT, IEE-EMT | 2024-11-28 10:00 |
Shizuoka | Shizuoka Convestion & Arts Center (Shizuoka) | Improvement of Characteristics of a Dual-Band Orthogonally Polarized Single-Layer Reflectarray with Region Segmentation for Mutual Coupling Suppression Haruki Tanaka, Masataka Ohira, Hiroyuki Deguchi (Doshisha Univ.) EMT2024-81 |
[more] | EMT2024-81 pp.117-122 |
| EMT, IEE-EMT | 2024-11-28 10:50 |
Shizuoka | Shizuoka Convestion & Arts Center (Shizuoka) | Optimization for Low Cross-Polarization Multimode Horn with Spherical Wavefront Hiroyuki Deguchi, Masataka Ohira (Doshisha Univ.) EMT2024-83 |
This paper presents a design method for a wideband multimode primary horn by controlling the wavefront on the aperture. ... [more] | EMT2024-83 pp.127-132 |
| MW, EMT, OPE, MWPTHz, EST, IEE-EMT [detail] | 2024-07-12 10:30 |
Hokkaido | otaru-shimin-kaikan (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
On the Multi-Band Operation of 7.1/8.5/20/30-GHz Spline-Taper Horn Antenna with Coaxial-Groove Walls Hideyuki Nanno, Hiroki Nishida, Masataka Ohira, Hiroyuki Deguchi (Doshisha Univ.) EMT2024-49 MW2024-73 OPE2024-52 EST2024-50 MWPTHz2024-56 |
This paper proposes a single circular waveguide feed horn antenna operating in four frequency bands. A spline taper and ... [more] | EMT2024-49 MW2024-73 OPE2024-52 EST2024-50 MWPTHz2024-56 pp.213-218 |
| MW, EMT, OPE, MWPTHz, EST, IEE-EMT [detail] | 2024-07-12 10:55 |
Hokkaido | otaru-shimin-kaikan (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Multimode Transmission Equation using Line-Integral Formulation for Taper Waveguide with Straight Axis Hiroyuki Deguchi, Masataka Ohira (Doshisha Univ.) EMT2024-50 MW2024-74 OPE2024-53 EST2024-51 MWPTHz2024-57 |
This paper proposes a detailed process for converting an area integral into a line integral using Stokes' theorem and Ga... [more] | EMT2024-50 MW2024-74 OPE2024-53 EST2024-51 MWPTHz2024-57 pp.219-224 |
| MW | 2024-06-14 10:55 |
Tokyo | Hachijomachi-shoko-kai (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Special Talk]
Fundamentals of Microwave Filter Design Masataka Ohira, Hiroyuki Deguchi (Doshisha Univ.) MW2024-25 |
The purpose of this paper is to provide the basic principles and the fundamentals of microwave filter design so that stu... [more] | MW2024-25 pp.34-39 |
| EMT, IEE-EMT | 2024-05-27 13:30 |
Tokyo | The Institute of Electrical Engineers of Japan (Tokyo) | Two-band Independent Control of Orthogonal Polarization Single-layer Reflectarray with Arbitrarily Shaped Elements Haruki Tanaka, Yuya Makino, Masataka ohira, Hiroyuki Deguchi (Doushisha Univ) EMT2024-3 |
[more] | EMT2024-3 pp.13-18 |
| EMT, IEE-EMT | 2023-11-10 11:10 |
Yamaguchi | Kaikyo Messe Shimonoseki (Yamaguchi) | A Single-Layer Dual-Band Reflectarray with Orthogonal Polarization Multi-Beam and Single-Beam Ranges Kosei Inoue, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2023-74 |
In this paper, as a construction method for a single-layer reflectarray that shares widely separated frequency bandsand ... [more] | EMT2023-74 pp.64-69 |
| EMT, IEE-EMT | 2023-11-10 13:55 |
Yamaguchi | Kaikyo Messe Shimonoseki (Yamaguchi) | [Invited Lecture]
Optimized Mode Coefficients Based on Quadratic Programming Approach for Multimode Horns with Square-Waveguide Aperture Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2023-81 |
This paper proposes directivity synthesis for multimode horns with square-waveguide aperture based on quadratic programm... [more] | EMT2023-81 pp.102-107 |
| EMT, IEE-EMT | 2023-11-11 09:30 |
Yamaguchi | Kaikyo Messe Shimonoseki (Yamaguchi) | EMT2023-83 |
By introducing phase reversal in the 1.5-wavelength rat-lace circuit and incorporating the CRLH-TL right-handed-left com... [more] | EMT2023-83 pp.114-119 |
| MWPTHz, PN, EMT, IEE-EMT [detail] | 2023-01-23 13:00 |
Osaka | (Osaka, Online) (Primary: On-site, Secondary: Online) |
Investigation on a Dual-Band Reflectarray Independently Controlling Dual Polarization Sota Tanizawa, Kosei Inoue, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) PN2022-31 EMT2022-69 MWPTHz2022-57 |
For obtaining a multi-band reflectarray with multi-beams, we have proposed a novel reflectarray realizing multiple dual-... [more] | PN2022-31 EMT2022-69 MWPTHz2022-57 pp.1-6 |
| EMT, IEE-EMT | 2022-11-18 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Compact 7λ/6 rat-race coupler consisting of λ/6 CRLH-TLs with short-circuit stubs at both ends Tomoya Shigemura, Mikio Tsuji, Hiroyuki Deguchi (Doshisha Univ.) EMT2022-68 |
Left-handed artificial media have different directions of phase velocity and group velocity, and are expected to be appl... [more] | EMT2022-68 pp.133-138 |
| EMT, IEE-EMT | 2022-11-18 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Cross-Polarization Reduction by Folded Grooves Loaded on the Wall of the 7.8/20/30 GHz Band Multistage Step Horn Antenna Hideyuki Nanno, Shinichi Ito, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2022-63 |
In this paper, we first created a three-step shape that exhibited good antenna characteristics in the center frequency 7... [more] | EMT2022-63 pp.105-110 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-20 09:45 |
Hokkaido | Asahikawa Civic Culture Hall (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Improvement of Transmission Characteristics and Leakage Characteristics by Waveguide Wall Slot in CRLH Square Waveguide Loaded with Cross Conductor Plates with a Central Disk Daichi Amami, Shuya Nishimura, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2022-39 MW2022-63 OPE2022-42 EST2022-40 MWPTHz2022-37 |
[more] | EMT2022-39 MW2022-63 OPE2022-42 EST2022-40 MWPTHz2022-37 pp.151-156 |
| MW | 2022-05-19 15:40 |
Kyoto | Kyoto Univ. (Kyoto, Online) (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 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-28 11:45 |
Online | Online (Online, Online) | Broadband Coaxial Groove Horn Antenna with Ring Loading Shinichi Ito, Hideyuki Nanno, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) PN2021-45 EMT2021-61 MWP2021-50 |
This paper proposes a new horn with the coaxial groove structure, partly loading rings, which can be used in four bands ... [more] | PN2021-45 EMT2021-61 MWP2021-50 pp.67-72 |
| MW, AP (Joint) |
2021-09-09 13:25 |
Online | Online (Online) | Broadband Left-Handed Region of CRLH-TL Using an Ω-Shaped Interdigital Capacitive Gap Tetsuhiro Takada, Mikio Tsuji, Hiroyuki Deguchi (Doshisha Univ.) MW2021-34 |
Various structures have been proposed to expand the left-handed region of the right-handed/left-handed combined transmis... [more] | MW2021-34 pp.6-11 |
| EMT, IEE-EMT | 2021-05-21 10:50 |
Online | Online (Online) | Horn Antennas Loading Grooves with Projection for Dual Bands Atsuki Takada, Shinichi Ito, Fumiya Nakatani, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2021-2 |
The general requirements for the primary horn of a reflector antenna used in earth stations for satellite communications... [more] | EMT2021-2 pp.7-12 |
| EMT, MWP, PN, IEE-EMT [detail] | 2021-01-21 10:25 |
Online | Online (Online) | GA-optimized Dual Bandpass Filters Constructed by Multi-layered Planar Circuits Kazuki Ito, Yuichi Nishioka, Mikio Tsuji, Hiroyuki Deguchi (Doshisha Univ) PN2020-30 EMT2020-48 MWP2020-31 |
In this paper, we report a design method using the genetic algorithm of a compact dual bandpass filter that operates in ... [more] | PN2020-30 EMT2020-48 MWP2020-31 pp.7-11 |
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