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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 152  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ISEC, IT, WBS 2024-03-13
- 2024-03-14
Osaka Osaka Univ. (Suita Campus) Improvement of non-interactive privacy-preserving document classification
Yuhei Kitahara (Tokyo Tech), Hibiki Oka, Akira Nakahashi (iric), Wakaha Ogata (Tokyo Tech) IT2023-120 ISEC2023-119 WBS2023-108 RCC2023-102
In the Machine Learning as a Service model, where clients delegate inference to servers, leakage of client inputs or mac... [more] IT2023-120 ISEC2023-119 WBS2023-108 RCC2023-102
pp.279-286
SIP, SP, EA, IPSJ-SLP [detail] 2024-03-01
16:35
Okinawa
(Primary: On-site, Secondary: Online)
Evaluations of Multi-channel Blind Source Separation for Speech Recognition in Car Environments
Yutsuki Takeuchi, Natsuki Ueno, Nobutaka Ono (Tokyo Metropolitan Univ.), Takashi Takazawa, Shuhei Shimanoe, Tomoki Tanemura (MIRISE Technologies) EA2023-127 SIP2023-174 SP2023-109
In car environments, speech recognition is difficult due to various types of noise. For this issue, speech enhancement b... [more] EA2023-127 SIP2023-174 SP2023-109
pp.388-393
MW 2023-11-17
12:55
Okinawa Nago City Industrial Support Center (Okinawa)
(Primary: On-site, Secondary: Online)
Evaluation of temperature characteristics of a dielectric resonator in microwave-band
Kohei Fujiwara, Takashi Kondo (TIRI), Sei Mizojiri, Kazuya Yaginuma (Pale Blue), Shinji Hara, Noriyuki Tanba (Nagoya Univ.) MW2023-143
 [more] MW2023-143
pp.92-97
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
10:00
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
Development and Environmental Test of Dielectric Resonator Oscillator on 24-GHz-band
Kohei Fujiwara, Takashi Kondo (TIRI) EMT2023-24 MW2023-42 OPE2023-24 EST2023-24 MWPTHz2023-20
 [more] EMT2023-24 MW2023-42 OPE2023-24 EST2023-24 MWPTHz2023-20
pp.82-87
MW 2023-06-22
13:35
Kanagawa Yugawara-machi Shou-Kou-Kai Bldg.
(Primary: On-site, Secondary: Online)
Development of millimeter wave signal source using Non-Liner Transmission Line
Makoto Yoshida (CDEX), Kohei Fujiwara, Kouich Tokita, Hidehiko Yamaoka (TIRI), Toshiyuki Yakabe (MPL) MW2023-20
We have been working on the practical application of 28 GHz-band VNA based on six-port method, which is a kind of the ho... [more] MW2023-20
pp.1-6
MW 2022-12-15
13:30
Mie Jingu-Kaikan(Ise)
(Primary: On-site, Secondary: Online)
Development of SIW type directional-coupler in 60-GHz-band
Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) MW2022-132
 [more] MW2022-132
pp.7-10
MW 2022-12-16
10:25
Mie Jingu-Kaikan(Ise)
(Primary: On-site, Secondary: Online)
Development of 28-GHz-band VNA based on six-port method
Makoto Yoshida (CDEX), Kohei Fujiwara, Kouich Tokita, Hidehiko Yamaoka (TIRI), Toshiyuki Yakabe (MPL LLP) MW2022-142
VNAs based on the six-port method (SPC-VNA) is one of the homodyne systems that has a simple structure and is expected t... [more] MW2022-142
pp.54-59
MW 2022-11-15
15:20
Nagasaki Fukue-Bunka-Kaikan
(Primary: On-site, Secondary: Online)
Development of SIW type hybrid coupler with transducer of waveguide to MSL in W-band
Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) MW2022-116
 [more] MW2022-116
pp.41-45
MW 2022-11-16
11:50
Nagasaki Fukue-Bunka-Kaikan
(Primary: On-site, Secondary: Online)
Development of reference signal generator in 28-GHz-band
Makoto Yoshida (CDEX), Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL) MW2022-126
Generally, most VNAs on the market employ a heterodyne method to achieve scalability of the measurement frequency and hi... [more] MW2022-126
pp.90-95
MW 2022-11-16
13:30
Nagasaki Fukue-Bunka-Kaikan
(Primary: On-site, Secondary: Online)
Complex Permittivity Measurement of Liquids at MHz Band Using an Open-Ended Coaxial Line Based on the Lumped Constant Theory
Kouji Shibata (Hachinohe Institute of Tech.), Kohei Fujiwara (TIRI) MW2022-127
(To be available after the conference date) [more] MW2022-127
pp.96-101
MW 2022-11-16
14:20
Nagasaki Fukue-Bunka-Kaikan
(Primary: On-site, Secondary: Online)
Evaluation of fixture correction method of s-parameter measurement for surface mount devices
Takashi Kondo, Kohei Fujiwara (TIRI) MW2022-129
A fixture correction is generally involved in s-parameter measurements for surface mount devices in the microwave band. ... [more] MW2022-129
pp.108-112
ICTSSL, IN, NWS, IEE-SMF 2022-10-28
13:05
Nagano Shinshu University
(Primary: On-site, Secondary: Online)
Study of Storage Energy Loss in a Distributed Power Flow System for Smart Home Environment
Ruengwit Khwanrit, Yuto Lim, Saher Javaid (JAIST), Somsak Kittipiyakul (SIIT), Yasuo Tan (JAIST) IN2022-40
Today, renewable energy resources are a critical component of distributed energy systems. However, their intermittent na... [more] IN2022-40
pp.47-52
EMCJ, MW, EST, IEE-EMC [detail] 2022-10-13
15:25
Akita Akita University
(Primary: On-site, Secondary: Online)
Dielectric Measurement of Li(N(SO2CF3)2) Solutions Based on the Cut-off Circular Waveguide Reflection Method
Kouji Shibata (Hachinohe Inst. of Tech.), Erika Otani, Jihae Han (Nigata Univ.), Kohei Fujiwara, Kouichi Tokita (TIRI), Yasuhiro Umebayashi (Nigata Univ.) EMCJ2022-46 MW2022-92 EST2022-56
(To be available after the conference date) [more] EMCJ2022-46 MW2022-92 EST2022-56
pp.58-63
EMCJ, MW, EST, IEE-EMC [detail] 2022-10-13
15:50
Akita Akita University
(Primary: On-site, Secondary: Online)
Development of SIW type hybrid-coupler in 60-GHz-band
Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) EMCJ2022-47 MW2022-93 EST2022-57
 [more] EMCJ2022-47 MW2022-93 EST2022-57
pp.64-67
AP, MW
(Joint)
2022-09-14
15:15
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Development of 28 GHz band down-converter module with antenna using polymer powder bed fusion and plating
Ryuichi Kobayashi, Kohei Fujiwara, Yuta Watanabe, Satoshi Kuwahara, Shota Takemura, Kohei Takizawa (TIRI) MW2022-68
We developed a down-converter module with a standard gain horn antenna using polyamide-12 polymer powder bed fusion. The... [more] MW2022-68
pp.1-6
AP, MW
(Joint)
2022-09-14
16:05
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Dielectric Measurement of LiBF4 and LiPF6 Solutions Based on the Cut-off Circular Waveguide Reflection Method
Kouji Shibata (Hachinohe Inst. of Tech.), Erika Otani, Jihae Jan (Nigata Univ.), Kohei Fujiwara, Kouichi Tokita (TIRI), Yasuhiro Umebayashi (Nigata Univ.) MW2022-70
(To be available after the conference date) [more] MW2022-70
pp.13-18
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
09:20
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Dielectric Measurement of liquids at Frequency Range of 10 - 1000MHz Based on the Combination of Cut-off Circular Waveguide Reflection Method and a Large-bore Jig
Kouji Shibata (Hachinohe Institute of Tech.), Kohei Fujiwara (TIRI) EMT2022-17 MW2022-41 OPE2022-20 EST2022-18 MWPTHz2022-15
(To be available after the conference date) [more] EMT2022-17 MW2022-41 OPE2022-20 EST2022-18 MWPTHz2022-15
pp.52-56
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
13:00
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Development of SIW type power divider with transducer of waveguide to MSL in W-band
Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) EMT2022-22 MW2022-46 OPE2022-25 EST2022-23 MWPTHz2022-20
A conventional vector network analyzer employs the super-heterodyne scheme to expand a measuring frequency band. However... [more] EMT2022-22 MW2022-46 OPE2022-25 EST2022-23 MWPTHz2022-20
pp.73-78
MW 2022-05-20
10:50
Kyoto Kyoto Univ.
(Primary: On-site, Secondary: Online)
Development of a power divider based on SIW structure in the 60-GHz-band
Kohei Fujiwara, Kouichi Tokita (TIRI), Makoto Yoshida (CDEX) MW2022-18
 [more] MW2022-18
pp.18-22
MW 2022-03-04
13:00
Online Online Expantion of dynamicrange on a six-port correlator in the transmission measurement
Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL), Makoto Yoshida (CDEX) MW2021-136
A conventional vector network analyzer employs the super-heterodyne scheme to expand a measuring frequency band. The cir... [more] MW2021-136
pp.140-145
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