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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-06-14 10:55 |
Tokyo | Hachijomachi-shoko-kai (Primary: On-site, Secondary: Online) |
[Special Talk]
Fundamentals of Microwave Filter Design Masataka Ohira (Doshisha Univ.) |
[more] | |
| EMT, IEE-EMT | 2024-05-27 13:30 |
Tokyo | The Institute of Electrical Engineers of Japan | Two-band Independently Control of Orthogonal Polarization Single-layer Reflectarray with Arbitrarily Shaped Elements Yuya Makino, Haruki Tanaka, Hiroyuki Deguchi, Masataka ohira (Doushisha Univ) |
[more] | |
| EST | 2024-05-17 11:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of Wideband BPF Using Microstrip Triple-Mode Resonator and Lumped Elements Kota Matsuzaki, Zhewang Ma, Masataka Ohira (Saitama Univ.) |
(To be available after the conference date) [more] | |
| 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.) |
(To be available after the conference date) [more] | |
| 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 |
| ED, MW | 2022-01-27 15:05 |
Online | Online | [Invited Lecture]
A Compact 26 GHz Filtering Antenna with Cross Coupling Using LTCC Substrate Kaoru Sudo, Ryo Mikase, Yoshinori Taguchi, Koichi Takizawa, Natsumi Minamitani, Kengo Onaka, Saneaki Ariumi, Hisao Hayafuji (Murata), Masataka Ohira (Saitama Univ.) ED2021-66 MW2021-108 |
This paper proposes a compact 26 GHz filtering antenna with cross coupling using LTCC substrate. The cross coupling betw... [more] | ED2021-66 MW2021-108 pp.22-27 |
| 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 | 2021-12-17 11:15 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Building Surrogate Model Using Convolutional Autoencoder for Fast Frequency Response Calculation of Planar BPFs Ren Shibata, Masataka Ohira, Ma Zhewang (Saitama Univ.) MW2021-99 |
Recently, surrogate models using deep learning are introduced to speed up electromagnetic (EM) analysis. For instance, a... [more] | MW2021-99 pp.85-90 |
| SRW, SeMI, CNR (Joint) |
2021-11-26 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Examination status for the realization of wire-free robots Satoru Shimizu, Kazunobu Serizawa, Kazushi Sakuma, Yoshinori Suzuki (ATR), Hiroo Sekiya (Chiba Univ.), Masataka Ohira (Saitama Univ.) SRW2021-38 SeMI2021-36 CNR2021-12 |
There are many wires inside mechatronic devices and robots. We call replacing the wiring inside the devices with wireles... [more] | SRW2021-38 SeMI2021-36 CNR2021-12 pp.44-47(SRW), pp.27-30(SeMI), pp.21-24(CNR) |
| 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 |
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