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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 105  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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.)
 [more]
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
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
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