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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 19件中 1~19件目  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA, US
(Joint)
2020-01-22
14:00
Kyoto Doshisha Univ. [Poster Presentation] Detection of multiple reflections using B-scan images in the thickness gauging of underwater port structures with seashells
Shun Uemae, Hiroyoshi Yamashita (KU), Kazuki Abukawa (NITKC), Tomoo Satoh, Sayuri Matsumoto (PARI), Kotaro Hoshiba, Takenobu Tsuchiya, Nobuyuki Endoh (KU) US2019-86
 [more] US2019-86
pp.89-93
US 2019-08-28
13:25
Tokyo   Analysis of the RF signal from the acoustic marker
Tomoo Sato, Kageyoshi Katakura, Sayuri Matsumoto (PARI) US2019-38
In this report, we call an acoustic marker which is consisted of four pieces of triangular trihedral corner reflectors. ... [more] US2019-38
pp.5-9
US 2018-08-30
14:20
Tokyo Tokyo Institute of Technology All-in-one prototype of non-contact ultrasound thickness gauge
Tomoo Sato (PARI), Kazuki Abukawa (Kisarazu College), Akihiro Kobayashi (Micro Design), Toshinari Tanaka, Kazuhiro Shirai, Sayuri Matsumoto (PARI) US2018-43
It is important to check the steel-thickness of the coastal structure, such as the steel-pile quay wall and the pipe-pil... [more] US2018-43
pp.13-18
US 2018-06-21
17:05
Kanagawa   Image enhancement of acoustic video system using acoustic marker
Tomoo Sato, Kazuki Abukawa, Sayuri Matsumoto, Kageyoshi Kageyoshi (PARI) US2018-29
In this technical report, following four items regarding enhanced images of an acoustic video system with acoustic mark... [more] US2018-29
pp.51-56
US, EA
(Joint)
2018-01-23
13:00
Osaka   [Poster Presentation] Direction control of projecting wave from ultrasonic speaker constructed by phase inversion element
Yosuke Sasagawa, Shunichi Fujii, Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto, Kageyoshi Katakura (PARI) US2017-92
 [more] US2017-92
pp.55-58
US 2017-08-31
14:50
Kanagawa   All-in-one prototype of non-contact ultrasound thickness gauge
Kazuki Abukawa, Tomoo Sato (PARI), Akihiro Kobayashi (Micro Design), Toshinari Tanaka, Kazuhiro Shirai, Sayuri Matsumoto (PARI) US2017-54
It is important to check the steel-thickness of the coastal structure, such as the steel-pile quay wall and the pipe-pil... [more] US2017-54
pp.41-46
EA, US
(Joint)
2017-01-25
10:30
Kyoto Doshisha Univ. [Poster Presentation] Direction control of projecting wave from ultrasonic speaker constructed by phase inversion element
Yosuke Sasagawa, Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto, Kageyoshi Katakura (PARI) US2016-72
Ultrasonic speakers can be radiated sound wave linearly by using ultrasonic waves. A typical ultrasonic speaker has been... [more] US2016-72
pp.1-4
US 2016-08-25
15:55
Tokyo Tokyo Institute of Technology, Ookayama Campus Acoustic beam characteristics of polarization inverted transmitter for wide view in near field
Tomoo Sato, Kazuki Abukawa (PARI), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Kageyoshi Katakura, Sayuri Matsumoto (PARI) US2016-42
Experimental study regarding self-focusing of polarization inverted array was done. In the array, the polarization of ea... [more] US2016-42
pp.23-28
US 2014-08-25
14:40
Tokyo Tokyo Institute of Technology, Ookayama Campus Refraction index of phononic crystal lens influenced by structure parameter and analysis of sound field focusing by phononic crystal lens
Takenobu Tsuchiya, Kazuma Shimizu, Tetsuo Anada, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto (PARI), Kazuyoshi Mori (NDA) US2014-37
Phononic crystal structure with a negative refractive index is able to produce a planar acoustic lens having high resolu... [more] US2014-37
pp.25-28
US 2014-08-25
15:20
Tokyo Tokyo Institute of Technology, Ookayama Campus Development and Practical use of Non-contact Thickness Gauging Equipment
Kazuhiro Shirai, Taketugu Hirabayashi, Sayuri Matsumoto (PARI) US2014-38
The thickness of steel structures is periodically measured to preserve the structural soundness of port facilities. The ... [more] US2014-38
pp.29-34
US 2012-08-27
16:20
Overseas Pukyong National University Consideration about measuring of bended steel pile under the ground in earthquake
Sayuri Matsumoto, Toshinari Tanaka, Taketsugu Hirabayashi, Muneo Yoshie, Kageyoshi Katakura (Port and Airport Research Inst.), Yoshiaki Kikuchi (Tokyo Univ. of Science), Hideki Takahashi (Port and Airport Research Inst.) US2012-43
When the Tohoku earthquake occurred on 11 March 2011, piles heads moved about 40cm to southward. The piles have been dri... [more] US2012-43
pp.47-52
US 2012-08-27
16:40
Overseas Pukyong National University Development of Four-Dimensional Underwater Image-Capture Apparatus
Sayuri Matsumoto, Kageyoshi Katakura (Port and Airport Research Inst.), Mitsuhiko Nanri (Hitachi), Norihide Takeyama (Genecia), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Takatoshi Noguchi (Mlit) US2012-44
A new underwater technology of visual contact and survey, which independent on water turbidity and/or illuminance has be... [more] US2012-44
pp.53-58
US 2012-08-27
17:00
Overseas Pukyong National University Development of Non-contact Thickness Gauging Equipment for Underwater Steel Structure
Kazuhiro Shirai, Sayuri Matsumoto, Kageyoshi Katakura (Port and Airport Research Inst.) US2012-45
We have developed a non-contact thickness gauging equipment for underwater steel structures such as steel pipe piles of... [more] US2012-45
pp.59-63
EA, US
(Joint)
2011-01-20
16:00
Kyoto Doshisha Univ. Analysis of Convergence field by Sonic Crystal Lens using Finite Difference Time Domain Method
Takenobu Tsuchiya, Tetsuo Anada, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto (PARI), Kazuyoshi Mori (NDA) US2010-101 EA2010-114
n this study, we calculated sound field converged by acoustical lens constructing from sonic crystal structure. We obtai... [more] US2010-101 EA2010-114
pp.53-58
US 2009-08-28
16:35
Tokyo   Noncontact ultrasonic thickness gauging for steel structures in ports -- field test at Tanoura wharf --
Natsuki Yoshizumi, Sayuri Matsumoto, Kageyoshi Katakura (PARI), Takashi Matsumoto, Harumi Fukuda, Hideki Kume (MLIT) US2009-37
We develop a novel thickness measurement system for steel structures in ports. The system is based on ultrasonic multip... [more] US2009-37
pp.43-48
EA, US
(Joint)
2009-01-29
15:45
Kyoto   Characteristics of frequency and incident angle of convergence field by aspherical acoustic lens for developing underwater acoustic imaging sonar system
Sayuri Matsumoto (PARI), Yuichi Shin, Fumitaka Naito, Takenobu Tsuchiya (Kanagawa univ.), Norihide Takeyama (Genesia), Nobuyuki Endoh (Kanagawa univ.) US2008-80 EA2008-122
 [more] US2008-80 EA2008-122
pp.43-48(US), pp.35-40(EA)
US 2008-11-27
14:00
Shizuoka   Noncontact ultrasonic thickness gauging for steel structures in ports
Natsuki Yoshizumi, Sayuri Matsumoto, Kageyoshi Katakura (Port and Airport Research Institute), Hiroyuki Hashimoto, Nobuaki Tomoda, Kunirou Ishinuki (Ministry of Land, Infrastructure, Transport and Tourism) US2008-62
We proposed the novel thickness measurement technique for steel structures in ports. The technique is based on ultrason... [more] US2008-62
pp.7-12
US 2008-08-29
13:30
Tokyo Jamstec Analysis of convergence field of acoustical lens for micro-ultrasound probe and measurement of convergence field using the scale model
Takenobu Tsuchiya (Kanagawa Univ.), Sayuri Matsumoto (PARI), Fumitaka Naito, Yuichi Shin, Mari Takahashi, Nobuyuki Endoh (Kanagawa Univ.) US2008-26
Recently, acoustical lens has been to use the development for measurement instrument in underwater acoustics field. For ... [more] US2008-26
pp.1-6
US 2007-08-24
14:40
Kanagawa The Port and Airport Research Institute Measurement for Underwater Acoustic Lens Convergence
Sayuri Matsumoto (PARI), Norihide Takeyama (Genesia), Takenobu Tsuchiya, Tetsuo Anada, Nobuyuki Endoh (Kanagawa Univ.) US2007-33
Authors have been studying an Underwater Acoustic Lens design by using optical lens design method, which is a part of de... [more] US2007-33
pp.31-35
 19件中 1~19件目  /   
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