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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 143  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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
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
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
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