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, 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 |
MW |
2018-11-16 13:15 |
Nagasaki |
Fukue Cultural Hall |
[Special Talk]
Report on 2018 IEEE MTT-S International Microwave Symposium Takashi Shimizu (Utsunomiya Univ.), Ryo Ishikawa (UEC), Tetsuya Ueda (Kyoto Inst. of Tech.), Masataka Ohira (Saitama Univ.), Hiroshi Okazaki (NTT DOCOMO), Yuji Komatsuzaki (Mitsubishi Electric Corp.), Tamura Masaya (TUT) MW2018-110 |
[more] |
MW2018-110 pp.95-102 |