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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 13:00 |
Tokyo | fukaya-kouminkan (Primary: On-site, Secondary: Online) |
A Frequency-agile Beam-steerable Microstrip Filtering Array Antenna Kazusa Watanabe (Saitama Univ.), Masataka Ohira (Doshisha Univ.), Zhewang Ma (Saitama Univ.) |
[more] | |
| MW, ED | 2025-01-23 13:25 |
Tokyo | fukaya-kouminkan (Primary: On-site, Secondary: Online) |
Designs of Two-Layer Filtering Antenna Array with Transmission Zeros Using only Adjacent Couplings Chiharu Ikeda (Saitama Univ.), Masataka Ohira (Doshisha Univ.), Zhewang Ma (Saitama Univ.) |
[more] | |
| MW | 2024-12-19 15:30 |
Aichi | Toyohashi University of Technology (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.) |
(To be available after the conference date) [more] | |
| EST | 2024-05-17 11:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of Compact Wideband BPFs Using Microstrip Triple-Mode Resonators with Lumped Chip Elements Kota Matsuzaki, Zhewang Ma, Masataka Ohira (Saitama Univ.)  EST2024-3 |
In this paper, a novel microstrip triple-mode resonator with lumped chip elements is proposed, and is use to design a co... [more] | EST2024-3 pp.13-18 |
| MW | 2024-05-17 10:00 |
Osaka | Osaka University Toyonaka Campus (Primary: On-site, Secondary: Online) |
Design and Experiments of Circularly Polarized Wideband Filtering Antenna with 20% Fractional Bandwidth Ken Sakiyama (Saitama Univ.), Masataka Ohira (Doshisha Univ.), Zhewang Ma (Saitama Univ.) MW2024-12 |
In this paper, we propose a new structure of circularly polarized wideband filtering antenna (filtenna) that realizes a ... [more] | MW2024-12 pp.23-28 |
| ED, MW | 2024-01-26 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Design of Novel Box-type Coupling Microstrip Diplexer with Transmission Zeros Yudai Nishiyama, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2023-72 MW2023-164 |
This paper proposes a new box-type coupling microstrip diplexer that can place transmission zeros at arbitrary frequenci... [more] | ED2023-72 MW2023-164 pp.29-34 |
| MW | 2023-06-22 14:00 |
Kanagawa | Yugawara-machi Shou-Kou-Kai Bldg. (Primary: On-site, Secondary: Online) |
Design of Fourth-order Symmetric Box-Coupling Microstrip Bandpass Filters with Transmission Zeros for Asymmetric Frequency Responses Koya Hirota, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2023-21 |
Bandpass filters (BPFs) composed of four resonators as a basic component have been proposed so far, such as CQ filters. ... [more] | MW2023-21 pp.7-12 |
| MW, ED | 2023-01-27 10:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Design of Parasitic-Element Loaded Wideband Filtering Antenna with Unidirectional Radiation Pattern over 30% Frequency Bandwidth Ken Sakiyama, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2022-87 MW2022-146 |
In this paper, we propose a new structure of wideband filtering antenna that realizes a very flat in-band gain and unidi... [more] | ED2022-87 MW2022-146 pp.7-12 |
| MW, ED | 2023-01-27 10:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Reinforcement Learning Approach Enabling Automatic Microstrip BPF Design for Multiple Specifications Yuto Asai, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2022-88 MW2022-147 |
[more] | ED2022-88 MW2022-147 pp.13-18 |
| EMT, IEE-EMT | 2022-11-17 11:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Neural-Network Assisted Microwave Filter Design Masataka Ohira, Zhewang Ma (Saitama Univ.) EMT2022-46 |
A surrogate-based electromagnetic (EM) optimization method using neural networks (NNs) is presented for computationally ... [more] | EMT2022-46 pp.12-17 |
| MW | 2021-12-17 09:55 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Precise Design of an 11-Pole BPF Using TM010 Mode Dielectric Ring Resonators with Novel Capacitive Coupling Structures Fan Liu, Zhewang Ma, Weihao Zhang, Masataka Ohira (Saitama Univ.), Dongchun Qiao, Guosheng Pu, Masaru Ichikawa (HUAWEI Technologies) MW2021-96 |
[more] | MW2021-96 pp.67-72 |
| MW | 2021-12-17 10:20 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
A Novel Design of Wideband Impedance Transformers Weihao Zhang, Zhewang Ma, Fan Liu, Masataka Ohira (Saitama Univ.), Xiaolong Wang (JLU) MW2021-97 |
[more] | MW2021-97 pp.73-78 |
| MW | 2021-11-18 16:05 |
Kagoshima | Kagoshima University (Primary: On-site, Secondary: Online) |
60-GHz Band Inline-Type SIW Filtering Antenna With Transmission Zeros Without Cross Coupling Masaki Hoshino, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2021-72 |
This paper proposes a new structure of 60-GHz band inline-type SIW filtering antenna that can generate transmission zero... [more] | MW2021-72 pp.29-34 |
| EST, MW, EMCJ, IEE-EMC [detail] | 2021-10-07 10:30 |
Online | Online | Design of Planar Filtering Antenna with Transmission Zeros Using Even/Odd-symmetric Electric Field Distributions Ryosuke Kono, Masataka Ohira, Zhewang Ma (Saitama Univ) EMCJ2021-29 MW2021-41 EST2021-31 |
[more] | EMCJ2021-29 MW2021-41 EST2021-31 pp.11-16 |
| MW, AP (Joint) |
2021-09-10 16:05 |
Online | Online | A Novel Compact Wideband Microstrip Wilkinson Power Divider Weihao Zhang, Zhewang Ma, Fan Liu, Masataka Ohira (Saitama Univ.) MW2021-38 |
[more] | MW2021-38 pp.30-34 |
| OPE, MW, IEE-EMT, MWP, EST, EMT, THz [detail] | 2021-07-15 13:00 |
Online | Online | Acquisition of Automatic Design Techniques for Microstrip BPF with Transmission Zeros through Deep Reinforcement Learning Kohei Takano, Masataka Ohira, Zhewang Ma (Saitama Univ.) EMT2021-11 MW2021-16 OPE2021-5 EST2021-12 MWP2021-13 |
This paper investigates the acquisition of an automatic design technique for a microstrip bandpass filter (BPF) having t... [more] | EMT2021-11 MW2021-16 OPE2021-5 EST2021-12 MWP2021-13 pp.22-27 |
| MW | 2021-03-05 10:30 |
Online | Online | Design of Tunable Filtering Array Antenna with Constant Absolute Bandwidth Takuya Sakemoto, Masataka Ohira, Zhewang Ma (Saitama Univ.), Akihiiro Yamada (Nippon Antenna) MW2020-91 |
In recent years, the demand for tunable antennas has been increasing with the rapid growing various wireless communicati... [more] | MW2020-91 pp.1-6 |
| MW, ED | 2021-01-29 10:55 |
Online | Online | Experimental Evaluation of 60-GHz Band Planar Antenna Consisting of Multiple Radiators and Multiple Resonators for Radiation of Three Orthogonal Components Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2020-28 MW2020-81 |
This paper reports the experimental evaluation results of a 60-GHz band planar MRMR (Multiple Radiators Multiple Resonat... [more] | ED2020-28 MW2020-81 pp.7-12 |
| MW | 2020-12-10 15:35 |
Kanagawa | (Primary: On-site, Secondary: Online) |
Automatic Structural Adjustment Method of Microstrip BPF using Deep Q-network Kohei Takano, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2020-76 |
The design of bandpass filter (BPF), especially its structural adjustment, is often performed by trial and error with hu... [more] | MW2020-76 pp.30-35 |
| MW | 2020-11-19 15:25 |
Online | Online | A Filter-Technique Assisted Design of 60-GHz Band Planar Antenna with Radiation of Three Orthogonal Components Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2020-70 |
This paper proposes a new structure of 60-GHz band planar antenna having radiations of three orthogonal x, y, and z comp... [more] | MW2020-70 pp.29-34 |
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