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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 23  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CAS, MSS, IPSJ-AL [detail] 2022-11-17
13:55
Kochi
(Primary: On-site, Secondary: Online)
Mathematical Properties of Linear Equation Derived from One-Dimensional Wave Equation
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2022-39 MSS2022-22
 [more] CAS2022-39 MSS2022-22
pp.13-18
CAS, CS 2022-03-03
16:30
Online Online Spatial One-Dimensional Electromagnetic Equation of Glass for Visible Light
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2021-85 CS2021-87
 [more] CAS2021-85 CS2021-87
pp.59-64
CAS, NLP 2021-10-14
11:40
Online Online Reformulated Maxwell Equations and Coaxial Transmission Line
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2021-21 NLP2021-19
 [more] CAS2021-21 NLP2021-19
pp.23-28
EA, ASJ-H 2021-07-16
13:50
Online Online Inverse esitimaion of shapes of vocal-tract models with cascading two acoustic tubes from sound spectrogram using CNN
Takuya Chiba, Hiroki Matsuzaki, Naofumi Wada, Megumi Takezawa, Hirofumi Sanada (Hokkaido Univ of Science) EA2021-19
We are attempting to use machine learning to vocal tract shape from speaking voice. For this purpose, we have used the v... [more] EA2021-19
pp.89-94
SIP, CAS, VLD, MSS 2021-07-05
11:15
Online Online A Consideration on Physical Properties of Electromagnetic Waves Expressed by Circuit Theory -- Reciprocity Enables Losslessness and Resonance to Stand Together --
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2021-2 VLD2021-2 SIP2021-12 MSS2021-2
 [more] CAS2021-2 VLD2021-2 SIP2021-12 MSS2021-2
pp.5-10
CAS, CS 2021-03-02
10:25
Online Online The Maxwell Equations Reformulated by Heaviside Which Can Handle Reflect Waves and Phase
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2020-78 CS2020-85
 [more] CAS2020-78 CS2020-85
pp.35-40
CAS, ICTSSL 2021-01-29
14:05
Online Online Resonant Waves Formed by Using Reflect Waves Generated with Electromagnetic Waves
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (RISP) CAS2020-65 ICTSSL2020-50
 [more] CAS2020-65 ICTSSL2020-50
pp.136-141
MBE, NC, NLP, CAS
(Joint) [detail]
2020-10-30
14:20
Online Online Application of Circuit Theory to Variational Calculus Used in Analysis of Maxwell Equations
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS), Takashi Yahagi (risp) CAS2020-17 NLP2020-38
 [more] CAS2020-17 NLP2020-38
pp.29-34
MSS, CAS, SIP, VLD 2020-06-18
11:15
Online Online Application of Analytic Method of Lossless Telegrapher's Equation to Quantum Mechanics
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS) CAS2020-4 VLD2020-4 SIP2020-20 MSS2020-4
 [more] CAS2020-4 VLD2020-4 SIP2020-20 MSS2020-4
pp.17-22
MSS, CAS, SIP, VLD 2020-06-18
11:40
Online Online Role of Circuit Theory for Wave Phenomena in Physics
Nobuo Nagai (Hokkaido Univ.), Hirofumi Sanada (HUS) CAS2020-5 VLD2020-5 SIP2020-21 MSS2020-5
 [more] CAS2020-5 VLD2020-5 SIP2020-21 MSS2020-5
pp.23-28
EA, ASJ-H, ASJ-AA 2019-07-16
13:30
Hokkaido SAPPORO COMMUNITY PLAZA [Invited Talk] A study of use of a hyper directional speaker in Yezo sika deer-vehicle collision prevention by sound
Hiroki Matsuzaki, Hirofumi Sanada, Naofumi Wada (HUS) EA2019-6
Experiments to prevent deer-vehicle collision by sounds from speakers or whistles have been attempted. Many products hav... [more] EA2019-6
pp.23-28
EA, ASJ-H, ASJ-AA 2018-07-24
13:00
Hokkaido Hokkaido Univ. [Poster Presentation] 3D printing by fused deposition modeling of vocal-tract physical models and their acoustic characteristics
Hiroki Matsuzaki, Hirofumi Sanada, Naofumi Wada (HUS) EA2018-12
Acoustic characteristics of acoustic tubes or solid vocal-tract models, which are formed using different material for mo... [more] EA2018-12
pp.65-70
IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] 2017-02-21
16:00
Hokkaido Hokkaido Univ. A Study on Local Adaptation of Extended Joint Bilateral Filtering for Color Compression Artifacts Reduction
Naofumi Wada, Hiroki Matsuzaki, Hirofumi Sanada (HUS) ITS2016-62 IE2016-120
The purpose of our research is color bleeding reduction for images and videos compressed by 4:2:0 color format. We propo... [more] ITS2016-62 IE2016-120
pp.305-310
VLD, CAS, MSS, SIP 2016-06-17
11:20
Aomori Hirosaki Shiritsu Kanko-kan Equivalent Circuit Approach for Wave Propagation in Graphene-based Structures
Hirofumi Sanada, Hiroki Matsuzaki, Naofumi Wada, Megumi Takezawa (HUS) CAS2016-23 VLD2016-29 SIP2016-57 MSS2016-23
 [more] CAS2016-23 VLD2016-29 SIP2016-57 MSS2016-23
pp.125-128
ET 2012-11-17
11:35
Saga   Development of information sharing system for support job hunting
Yoshiaki Shindo, Hirofumi Sanada, Megumi Takezawa, Hiroki Matsuzaki, Kenji Ueno (HIT) ET2012-56
Universities and other institutions of higher education are carrying out initiatives for storing various types of studen... [more] ET2012-56
pp.19-24
CAS 2011-01-25
13:20
Kumamoto Kumamoto University Analysis of microstrip lines using GPU-FDTD method
Daisuke Kawakami, Hirofumi Sanada, Megumi Takezawa, Hiroki Matsuzaki, Kenji Ueno (HIT) CAS2010-86
(To be available after the conference date) [more] CAS2010-86
pp.11-16
CAS, CS, SIP 2009-03-02
15:05
Gifu Nagaragawa Convention Center An Extraction Method of Quasi-Passbands for Modulated Superlattices
Kunihiko Asakura (Yonago National College of Tech.), Osamu Ogurisu (Kanazawa Univ.), Hirofumi Sanada (Hokkaido Inst. of Tech.), Masakiyo Suzuki (Kitami Inst. of Tech.) CAS2008-114 SIP2008-177 CS2008-88
Modulated Superlattices that has an excellent energy filter performance might form a quasi-passband that consists of sev... [more] CAS2008-114 SIP2008-177 CS2008-88
pp.77-82
CAS 2008-01-31
16:40
Okinawa   A Study on Quasi-Passband for Modulated Superlattices by Applying Circuit Theory
Kunihiko Asakura (Yonago National Coll. of Tech.), Osamu Ogurisu (Kanazawa Univ.), Hirofumi Sanada (Hokkaido Inst. of Tech.), Masakiyo Suzuki (Kitami Inst. of Tech.) CAS2007-92
 [more] CAS2007-92
pp.49-54
CAS, NLP 2007-10-18
15:30
Tokyo Musashi Institute of Technology Design of nonuniform transmission-line impedance matching circuits using a GA
Hiroaki Ito, Hirofumi Sanada, Megumi Takezawa, Kazuhisa Watanabe (HIT) CAS2007-49 NLP2007-77
In this paper, a method to design impedance-matching circuits using nonuniform transmission lines is presented.
A filt... [more]
CAS2007-49 NLP2007-77
pp.87-92
ITS, IE, ITE-ME, ITE-AIT, ITE-HI 2006-02-21
15:40
Hokkaido Hokkaido Univ. A New Application of Fractal Coding to Video Images
Megumi Takezawa, Hirofumi Sanada, Kazuhisa Watanabe (Hokkaido Inst. of Tech.), Miki Haseyama (Hokkaido Univ.)
Fractal image coding based on an iterated function system (IFS), one of the coding techniques for digital images, compre... [more] ITS2005-103 IE2005-310
pp.131-136
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