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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| EMT, MW, OPE, EST, MWP, THz, IEE-EMT [detail] | 2020-07-17 14:55 |
Online | Online | Design of Box-type Coupling Microstrip Bandpass Filter Using Even/odd-symmetric Electric Field Distributions of Half-wavelength Resonator Miho Ono, Masataka Ohira, Zhewang Ma (Saitama Univ.) EMT2020-25 MW2020-34 OPE2020-20 EST2020-25 MWP2020-25 |
[more] | EMT2020-25 MW2020-34 OPE2020-20 EST2020-25 MWP2020-25 pp.107-110 |
| MW | 2020-03-05 13:35 |
Kochi | Kochi City Culture-Plaza CUL=PORT (Cancelled but technical report was issued) |
A Wideband Filtering Wilkinson Power Divider with Transmission Zeros Daishi Nagata, Zwang Ma, Masataka Ohira (Saitama Univ.) MW2019-145 |
In this paper, a wideband filtering Wilkinson power divider (WPD) using short-circuited stubs is proposed, and design fo... [more] | MW2019-145 pp.29-34 |
| MW | 2020-03-05 14:15 |
Kochi | Kochi City Culture-Plaza CUL=PORT (Cancelled but technical report was issued) |
Wideband general chebyshev bandstop filters using signal interference technique Toshiki Tabei, Zhewang Ma, Masataka Ohira (Saitama Univ.) MW2019-146 |
A novel signal interference bandstop filter (SIBSF) that can generate arbitrary number of transmission and reflection ze... [more] | MW2019-146 pp.35-40 |
| MW | 2020-03-05 14:40 |
Kochi | Kochi City Culture-Plaza CUL=PORT (Cancelled but technical report was issued) |
Performance improvement of wideband BPF using short-circuit stub due to signal interference Daisuke Yamada (Saitama Univ), Zhewang Ma (Saitama univ), Masataka Ohira (Saitama Univ) MW2019-147 |
[more] | MW2019-147 pp.41-46 |
| MW | 2020-03-05 15:05 |
Kochi | Kochi City Culture-Plaza CUL=PORT (Cancelled but technical report was issued) |
Wideband Broad-Band Bandpass Filters Using Transmission Line Shorted-Stubs and Coupled-Stubs Naruaki Maruyama, Zhewang Ma, Masataka Ohira (Saitama Univ.) MW2019-148 |
The conventional wideband bandpass filter (BPFs) using short-circuited stubs is relatively simple in structure and easy ... [more] | MW2019-148 pp.47-52 |
| RCS, SR, SRW (Joint) |
2020-03-05 09:00 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
[Invited Lecture]
Design of Microwave Bandpass Filters Using Neural Network Masataka Ohira (Saitama Univ.) SR2019-122 |
Many of engineers engaged in the wireless communications field may have a vague understanding that the design method of ... [more] | SR2019-122 pp.53-58 |
| MW | 2019-11-15 09:55 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Design of Wideband Microstrip Filtering Antenna with Transmission Zeros Ilsub Song, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2019-112 |
In this paper, we propose and design a new structure of microstrip filtering antenna having both a wideband and flat in-... [more] | MW2019-112 pp.71-76 |
| MW | 2019-11-15 10:20 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | On the Relationship between Direct Source/Load Coupling and Higher-order Resonances in Microwave Bandpass Filter Masataka Ohira, Ryo Mikase, Zhewang Ma (Saitama Univ.) MW2019-113 |
It is well known that a direct source/load coupling contributes to the generation of transmission zeros at stopbands in ... [more] | MW2019-113 pp.77-80 |
| MW, AP (Joint) |
2019-09-20 13:10 |
Kanagawa | JAXA (Sagamihara) | Design and Experimental Evaluation of Wideband Microstrip Filtenna Based on Wideband Transmission Line Bandpass Filter Masataka Ohira, Yusuke Suzuki, Zhewang Ma (Saitama Univ.) MW2019-58 |
In recent years, a filtering antenna or filtenna is becoming one of the attractive circuits that can be designed with a ... [more] | MW2019-58 pp.17-22 |
| MW (2nd) |
2019-06-26 - 2019-06-28 |
Overseas | RUS, Bangkok, Thailand | Design of Compact Wideband Bandstop Filters Using Microstrip Ring Structures Toshiki Tabei, Zhewang Ma, Masataka Ohira (Saitama Univ.) |
A novel compact wideband bandstop filter (BSF) is proposed by using microstrip ring structure with stepped impedance lin... [more] | |
| MW, ICD | 2019-03-15 14:55 |
Okinawa | An Automated Design Method of Microstrip BPF with Transmission Zeros Using Both Forward and Inverse Models of Neural Network Ao Yamashita, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2018-178 ICD2018-122 |
A forward model of neural-network (NN) using poles and residues in rational function of S parameters has already been pr... [more] | MW2018-178 ICD2018-122 pp.121-126 |
|
| MW, ED | 2019-01-18 14:00 |
Tokyo | Hitachi, Central Research Lab. | Design of Wideband Bandpass Filters with Quasi-Elliptic Characteristics Using Coupled Short-Circuited Stub Kosuke Keima, Zhewang Ma, Masataka Ohira (Saitama Univ.) ED2018-85 MW2018-152 |
In this paper, based on the analysis of the transmission line equivalent circuits of the wideband bandpass filters (BPFs... [more] | ED2018-85 MW2018-152 pp.85-90 |
| MW, ED | 2019-01-18 14:25 |
Tokyo | Hitachi, Central Research Lab. | Design and Fabrication of Microstrip Reconfigurable Bandpass Filter Using Transversal Resonator Array Shuma Hashimoto, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2018-86 MW2018-153 |
[more] | ED2018-86 MW2018-153 pp.91-96 |
| MW, ED | 2019-01-18 14:50 |
Tokyo | Hitachi, Central Research Lab. | Design of Microstrip Tunable Filtering Antenna with Constant Absolute Bandwidth Tomoyasu Soma, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2018-87 MW2018-154 |
A tunable antenna that can change its resonant frequency electronically is one of promising components for future wirele... [more] | ED2018-87 MW2018-154 pp.97-102 |
| MW, ED | 2019-01-18 15:15 |
Tokyo | Hitachi, Central Research Lab. | Design of Quasi-Millimeter-Wave SIW Bandpass Filter with Transmission Zeros Using TE102 Mode for Negative Coupling Yuta Shimizu, Masataka Ohira, Zhewang Ma (Saitama Univ) ED2018-88 MW2018-155 |
A quasi-millimeter-wave band substrate integrated waveguide (SIW) bandpass filter with a fractional bandwidth greater th... [more] | ED2018-88 MW2018-155 pp.103-108 |
| MW | 2018-12-13 10:10 |
Kanagawa | Kanagawa Univ. | A High-order Cul-de-Sac Coupling Bandpass Filter Design Using Even/Odd-mode Stepped Impedance Resonators Ryo Mikase, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2018-115 |
In the design of bandpass filters (BPFs), transmission zeros (TZs) can be generated at arbitrary frequency positions by ... [more] | MW2018-115 pp.7-12 |
| MW | 2018-12-13 11:10 |
Kanagawa | Kanagawa Univ. | Design of Wideband Bandstop Filters Using Open-Circuited Stubs Tianyu You, An Song, Zhewang Ma, Masataka Ohira (Saitama Univ.) MW2018-117 |
In this paper, an exact design method of wideband bandstop filters using open-circuited stubs is proposed. First, the va... [more] | MW2018-117 pp.19-24 |
| MW | 2018-12-13 14:20 |
Kanagawa | Kanagawa Univ. | Design of Microstrip Dual-band Wilkinson Power Dividers with Large Center Frequency Ratios An Song, Zhewang Ma (Saitama Univ.), Xiaolong Wang (Jilin Univ.), Masataka Ohira (Saitama Univ.) MW2018-121 |
In this paper, the design theory of a dual-band Wilkinson power divider (DBWPD) consisting of two-sections of transmissi... [more] | MW2018-121 pp.43-48 |
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