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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 81  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WPT 2024-03-14
11:30
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
Multi-beam Metasurface Reflector for Multi-device Wireless Power Transfer
Shimpei Nishiyama (NIT, Kagawa College), Taisei Urakami, Kazutomo Nakamura, Hiroto Yorioka (NAIST), Tamami Maruyama (NIT, Hakodate), Minoru Okada (NAIST), Akira Ono (NIT, Kagawa College) WPT2023-39
Metasurface reflectors have been applied to microwave wireless power transfer (WPT) for transmitting power to IoT device... [more] WPT2023-39
pp.20-25
WPT 2024-03-14
14:50
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
Optimization of Transmission Efficiency of DWPT Controlling Amplitude and Phase of Secondary Side RF Power Supply
Hiroto Yorioka, Kazutomo Nakamura, Keigo Kimura, Taisei Urakami (NAIST), Shimpei Nishiyama (NIT, Kagawa College), Duong Quang Thang (OIT), Minoru Okada (NAIST) WPT2023-42
To improve the transmission efficiency of WPT (Wireless Power Transmission) in electric vehicles (EVs), we focus on the ... [more] WPT2023-42
pp.37-42
SIP, SP, EA, IPSJ-SLP [detail] 2024-02-29
09:30
Okinawa
(Primary: On-site, Secondary: Online)
Simultaneous Estimation of Transfer Coefficients and Signals of Sound-to-Light Conversion Device Blinky Under Saturation Using Non-negative Matrix Factorization
Kosuke Nishida, Natsuki Ueno, Nobutaka Ono (TMU), Daichi Kitamura (Kagawa NCT) EA2023-65 SIP2023-112 SP2023-47
In this study, we propose a method to estimate the intensity of optical signals emitted by sound-to-optical conversion d... [more] EA2023-65 SIP2023-112 SP2023-47
pp.25-30
SIP, SP, EA, IPSJ-SLP [detail] 2024-02-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
Accelerating and stabilizing vectorwise coordinate descent for spatially regularized independent low-rank matrix analysis
Yuto Ishikawa, Takuya Okubo, Norihiro Takamune (UTokyo), Tomohiko Nakamura (AIST), Daichi Kitamura (NIT Kagawa), Hiroshi Saruwatari (UTokyo), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2023-68 SIP2023-115 SP2023-50
Spatially regularized independent low-rank matrix analysis (SR-ILRMA) is the method that introduces the spatial prior in... [more] EA2023-68 SIP2023-115 SP2023-50
pp.43-50
MW 2024-03-01
10:55
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
Reconfigurable Reflection Direction and Multi-Band Metasurface Reflector Using Varactor Diodes Mounted Mushroom-Type Structure
Taisei Urakami (NAIST), Tamami Maruyama (NIT (KOSEN), Hakodate College), Akira Ono (NIT (KOSEN), Kagawa College), Na Chen, Minoru Okada (NAIST) MW2023-190
In this paper, we propose a novel metasurface reflector with considering both reflection directions and frequency bands ... [more] MW2023-190
pp.78-83
EA, US
(Joint)
2023-12-22
13:00
Fukuoka   [Poster Presentation] Multichannel Blind Source Separation Using Independent Low-Rank Matrix Analysis with Observed-Signal-Dependent Regularization Based on Spectrogram Consistency
Takaaki Kojima, Norihiro Takamune, Sota Misawa (UTokyo), Daichi Kitamura (NIT,Kagawa), Hiroshi Saruwatari (UTokyo) EA2023-51
Independent low-rank matrix analysis (ILRMA) is the state-of-the-art technique for blind source separation under the ove... [more] EA2023-51
pp.13-20
LQE, ED, CPM 2023-12-01
11:45
Shizuoka   UV Light Detecting Properties of PEDOT:PSS/ZnO Nanorods/ ZnO:Ga Heterostructures with Annealed ZnO Nanorods Layers
Kaede Hirota, Masato Nakahori, Tomoaki Terasako (Ehime Univ), Masakazu Yagi (Natl. Inst. Tecnol., Kagawa coll.), Tetsuya Yamamoto (Kochi Univ. Technol.) ED2023-29 CPM2023-71 LQE2023-69
 [more] ED2023-29 CPM2023-71 LQE2023-69
pp.68-71
LQE, ED, CPM 2023-12-01
12:10
Shizuoka   Carrier Transport Mechanisms in PEDOT:PSS/ZnO Nanorods/ZnO:Ga Heterostructures
Tomoaki Terasako (Ehime Univ.), Masakazu Yagi (Natl. Inst. Technol., Kagawa Coll.), Tetsuya Yamamoto (Kochi Univ. Technol.) ED2023-30 CPM2023-72 LQE2023-70
 [more] ED2023-30 CPM2023-72 LQE2023-70
pp.72-75
MW, AP
(Joint)
2023-09-29
14:00
Kochi Kochi Castle Museum of History
(Primary: On-site, Secondary: Online)
[Invited Talk] Microwave education and research activity report by a teacher at the National Institute of Technology
Masatoshi Tsuji (NIT, Kagawa College) MW2023-88
Microwave theories can be difficult, and thus a heavy burden on teachers when teaching them to students. In addition, mi... [more] MW2023-88
p.40
SP, IPSJ-SLP, EA, SIP [detail] 2023-03-01
09:50
Okinawa
(Primary: On-site, Secondary: Online)
Regularization Term Design Based on Spectrogram Consistency in Independent Low-Rank Matrix Analysis for Multichannel Audio Source Separation
Sota Misawa, Norihiro Takamune (UTokyo), Kohei Yatabe (TUAT), Daichi Kitamura (NIT, Kagawa), Hiroshi Saruwatari (UTokyo) EA2022-105 SIP2022-149 SP2022-69
It is known that block permutation occurs in the separated signals obtained by independent low-rank matrix analysis. Rec... [more] EA2022-105 SIP2022-149 SP2022-69
pp.177-184
CPM, ED, LQE 2022-11-24
10:05
Aichi Winc Aichi (Aichi Industry & Labor Center)
(Primary: On-site, Secondary: Online)
Application of Chemical Bath Deposited ZnO Nanorods to UV Light Detectors and Influence of CBD Solution Concentration on Their Device Properties
Taichi Fujikawa, Tomoaki Terasako (Ehime Univ.), Masakazu Yagi (Natl. Inst. Technol., Kagawa Coll.), Tetsuya Yamamoto (Kochi Univ. Technol.) ED2022-24 CPM2022-49 LQE2022-57
PEDOT:PSS/ZnO nanorods (NRs)/GZO heterojunction UV light detectors with the ZnO NRs layers grown from the CBD solutions ... [more] ED2022-24 CPM2022-49 LQE2022-57
pp.1-4
CPM, ED, LQE 2022-11-24
10:25
Aichi Winc Aichi (Aichi Industry & Labor Center)
(Primary: On-site, Secondary: Online)
Voltage-Current Characteristics and Optical Responses of PEDOT:PSS/ZnO Nanorods/GZO Heterojunctions
Tomoaki Terasako (Ehime Univ), Masakazu Yagi (Natl. Inst. Technol., Kagawa Coll.), Tetsuya Yamamoto (Kochi Univ. Technol.) ED2022-25 CPM2022-50 LQE2022-58
Volage-current (V-I) curves of the PEDOT:PSS/ZnO NRs/GZO heterojunctions exhibited a rectification behavior with hystere... [more] ED2022-25 CPM2022-50 LQE2022-58
pp.5-10
CPM 2022-08-05
10:20
Hokkaido   Atmospheric-pressure Chemical Vapor Deposition of β-Ga2O3 and ZnGa2O4 Thin Films on Sapphire Substrates
Tomoaki Terasako, Ryuichi Hamazono (Ehime Univ.), Masakazu Yagi (Natl. Inst. Technol. Kagawa Coll.) CPM2022-18
 [more] CPM2022-18
pp.26-29
EA 2022-05-13
16:50
Online Online Basic study for permutation solver based on deep neural networks
Fumiya Hasuike, Rui Watanabe, Daichi Kitamura (NIT, Kagawa) EA2022-13
This paper focuses on a permutation problem associated with frequency-domain independent component analysis (FDICA) that... [more] EA2022-13
pp.62-67
MW 2021-12-16
10:35
Kanagawa Kawasaki City Industrial Promotion Hall
(Primary: On-site, Secondary: Online)
Interdigital and Multi-Via Structures for Mushroom-Type Metasurface Reflectors -- Simulation-Based Design and Evaluation Experiments --
Taisei Urakami (NIT (KOSEN), Kagawa College), Tamami Maruyama (NIT (KOSEN), Hakodate College), Akira Ono, Takahiro Shiozawa (NIT (KOSEN), Kagawa College) MW2021-84
The novel patch element shapes with the interdigital and multi-via structures of a mushroom-type metasurface reflector h... [more] MW2021-84
pp.1-6
MW 2021-12-17
11:40
Kanagawa Kawasaki City Industrial Promotion Hall
(Primary: On-site, Secondary: Online)
A Study on Improving the High-frequency Spurious Response of SI-LPF by Spurline
Yusuke Kusama (Toyo Univ.), Ryosuke Yamashita (NIT KC) MW2021-100
In the design of a stepped impedance low-pass filter, it is known that the cutoff frequency decreases due to the limit o... [more] MW2021-100
pp.91-96
ED, CPM, LQE 2021-11-25
10:30
Online Online Vapor-Liquid-Solid Growth of ZnGa<sub>2</sub>O<sub>4</sub> Nanostructures and Their Structural and Photoluminescence Properties
Tomoaki Terasako, Takeshi Yoneda (Ehime Univ.), Naohiro Takahashi, Masakazu Yagi (Natl. INst. Technol., Kagawa Coll.) ED2021-16 CPM2021-50 LQE2021-28
 [more] ED2021-16 CPM2021-50 LQE2021-28
pp.7-12
ED, CPM, LQE 2021-11-25
11:20
Online Online Influence of Annealing on Ultraviolet Light Detecting Properties of PEDOT:PSS/ZnO Nanorods/ZnO:Ga Heterostructures
Kohei Kobayashi, Tomoaki Terasako (Ehime Univ.), Masakazu Yagi (Natl. Inst. Technol., Kagawa Coll.), Yutaka Furubayashi, Tetsuya Yamamoto (Kochi Univ. Technol.) ED2021-18 CPM2021-52 LQE2021-30
 [more] ED2021-18 CPM2021-52 LQE2021-30
pp.19-24
SIP 2021-08-24
10:00
Online Online [Invited Talk] Audio source separation based on independent low-rank matrix analysis and its extensions
Daichi Kitamura (NIT Kagawa) SIP2021-32
Audio source separation is a technique for separating individual audio sources from an observed mixture signal. In parti... [more] SIP2021-32
pp.19-24
CPM 2021-03-03
11:30
Online Online Fabrication of ZnO nanorods/CuO and ZnO nanorods/Cu₂O heterojunctions by Chemical bath Deposition
Takuma Omoto, Tomoaki Terasako (Ehime Univ.), Masakazu Yagi (Natl. Inst. Technol. Kagawa Coll.) CPM2020-64
Copper (II) oxide (CuO) and copper (I) oxide (Cu2O) films were grown on Au/Ti/Si(100) substrates by conventional chemica... [more] CPM2020-64
pp.34-37
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