Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
US |
2022-08-22 14:05 |
Tokyo |
Tokyo Tech (Ookayama Campus) |
A Basic Study of Underwater Acoustic Localization Using Bio-mimic Sound in Three Coastal Waters in Japan
-- Comparisons of Offshores in Ishikari, Shima and Satsumasendai -- Eri Sato, Shota Urakawa, Takanobu Kuroyama, Hanako Ogasawara, Kazuyoshi Mori (NDA) US2022-30 |
Utilization of dolphin like bio-mimic signals are proposed for underwater acoustic localization assuming water-side secu... [more] |
US2022-30 pp.7-12 |
US |
2022-08-22 14:30 |
Tokyo |
Tokyo Tech (Ookayama Campus) |
Doppler tolerance of signals generated by combining multiple linear chirp signals and M-sequence Shota Urakawa, Eri Sato, Takanobu Kuroyama, Hanako Ogasawara, Kazuyoshi Mori (NDA) US2022-31 |
A multi-source Multi Static Sonar (MSS) of which the detection volume is larger than that of the conventional MSS has be... [more] |
US2022-31 pp.13-18 |
US |
2020-08-26 13:50 |
Online |
Online |
A study of sound velocity profile acquisition method using Doppler shift Masato Yoshiguchi, Hanako Ogasawara, Kazuyoshi Mori (NDA) US2020-22 |
Sound speed distribution, which is important to calculate sound propagation in the ocean, is currently estimated from a ... [more] |
US2020-22 pp.11-15 |
US |
2019-08-28 14:55 |
Tokyo |
|
Study of acoustic propaties for the surface sediment acoustic measurement at the Ariake Sea Hanako Ogasawara, Masato Yoshiguchi, Kazuyoshi Mori (NDA) US2019-41 |
[more] |
US2019-41 pp.23-26 |
US |
2017-12-11 15:30 |
Tokyo |
|
Visualization of Cavitation Bubble and Ultrasonic Pulse Transmission Generated by Snapping Shrimp Kazuyoshi Mori, Hiroyuki Kawahara, Hanako Ogasawara (NDA), Kouichi Fujimura (Katokoken) US2017-78 |
It is important to survey biological transient noises produced by snapping shrimp, which may be the main noise sources i... [more] |
US2017-78 pp.21-24 |
US |
2017-08-31 11:15 |
Kanagawa |
|
Fundamental Study on the Effect of Acoustic Matching Layer on Convex Acoustic Lens for Equipping in Small AUV's Bow Hiroyuki Kawahara, Hanako Ogasawara, Kazuyoshi Mori (NDA) US2017-49 |
Recently, we designed a convex underwater acoustic lens for equipping in small AUV’s bow, and calculated its converged s... [more] |
US2017-49 pp.15-18 |
US |
2016-08-25 15:30 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
Statistical analysis of transient noise observed at Hashirimizu Port in Yokosuka Keiichi Shikata, Kazuyoshi Mori, Hanako Ogasawara (NDA) US2016-41 |
In coastal water, ambient noise is dominated by snapping shrimp, and it is necessary to know its characteristics to desi... [more] |
US2016-41 pp.19-22 |
US |
2015-08-24 16:10 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
Influence of Noise Spatial Distribution on Ambient Noise Imaging with Acoustic Lens
-- Preliminary Data Analysis for the 2nd Sea Trial in November of 2014 -- Kazuyoshi Mori, Hanako Ogasawara (NDA), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.) US2015-44 |
Recently, we built a 2nd prototype ambient noise imaging (ANI) system using the acoustic lens having a 2-D receiver arra... [more] |
US2015-44 pp.37-41 |
US |
2014-08-25 15:45 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
Measurement of directivity and source level variation for sound produced by snapping shrimp gathered in Hashirimizu Port at Yokosuka Kazuyoshi Mori, Hanako Ogasawara, Toshiaki Nakamura (NDA) US2014-39 |
It is important to survey biological transient noises produced by snapping shrimp, which may be the main noise sources i... [more] |
US2014-39 pp.35-38 |
US |
2014-08-25 16:10 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
Ocean environmental monitoring by AUV for sound propagation analysis Hanako Ogasawara, Kazuyoshi Mori, Toshiaki Nakamura (NDA) US2014-40 |
Authors measured ocean environment with Autonomous Underwater Vehicle (AUV). The environment at the coastal area changes... [more] |
US2014-40 pp.39-42 |
US |
2014-08-25 16:35 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
Adaptive Impedance Matching of Piezoelectric Transducer for Underwater Acoustic Communication Yosuke Saito, Tadashi Ebihara, Koichi Mizutani, Naoto Wakatsuki (Univ of Tsukuba), Hanako Ogasawara (NDA) US2014-41 |
Underwater sensor is one of the most important components to achieve underwater measurement or to establish underwater s... [more] |
US2014-41 pp.43-48 |
US |
2013-11-23 15:35 |
Kyoto |
Kambaikan, Doshisha Univ. |
Overview of the last five years studies for ambient noise imaging with acoustic lens Kazuyoshi Mori, Hanako Ogasawara, Toshiaki Nakamura (NDA), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.) US2013-72 |
An aspherical lens has been designed and fabricated to develop a prototype system for ambient noise imaging which is the... [more] |
US2013-72 pp.25-30 |
US |
2013-11-23 16:05 |
Kyoto |
Kambaikan, Doshisha Univ. |
The analysis of sound propagation of very shallow area at Hashirimizu Port Hanako Ogasawara, Kazuyoshi Mori, Toshiaki Nakamura (National Defense Academy) US2013-73 |
[more] |
US2013-73 pp.31-35 |
US |
2011-08-30 13:30 |
Ibaraki |
NRIFE |
Tidal Effect of Sound Propagation Experiment in Very Shallow Water Seiji Kamimura (N.D.A.), Yuji Sato (Grad. School, Univ. of Tsukuba), Hanako Ogasawara, Kazuyoshi Mori, Toshiaki Nakamura (N.D.A.) US2011-41 |
[more] |
US2011-41 pp.1-4 |
US |
2011-08-30 13:55 |
Ibaraki |
NRIFE |
A Basic Study of Classification Method of Target Scattering for Ambient Noise Imaging with Acoustic Lens Kazuyoshi Mori, Hanako Ogasawara, Toshiaki Nakamura (NDA), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.) US2011-42 |
We designed and made an aspherical lens with an aperture diameter of 1.0 m for Ambient Noise Imaging. It was expected th... [more] |
US2011-42 pp.5-10 |
US |
2010-08-30 14:00 |
Tokyo |
|
Source Localization of Impulsive Biological Noise at Hashirimizu Port in Yokosuka. Haruki Kada, Keisuke Awaji, Yukihiro Niisato, Seiji Kamimura, Kazuyoshi Mori, Hanako Ogasawara, Toshiaki Nakamura (NDA) US2010-44 |
In this study, we observed impulsive biological noise with a pair of tetrahedron hydrophone array in May 2010. Our aim w... [more] |
US2010-44 pp.13-16 |
US |
2009-08-28 14:55 |
Tokyo |
|
A Basic Study of Utilization of Time Reversal Process for Ambient Noise Imaging Using Acoustic Lens Kazuyoshi Mori, Hanako Ogasawara, Toshiaki Nakamura (NDA), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.) US2009-33 |
In ambient noise imaging (ANI), each pixel of a target image is mapped by either monochrome or pseudo-color to represent... [more] |
US2009-33 pp.21-26 |
US |
2009-08-28 15:20 |
Tokyo |
|
Analysis of Shallow Water Sound Propagation in Hashirimizu Port Hanako Ogasawara, Kazuyoshi Mori, Toshiaki Nakamura (National Defense Academy) US2009-34 |
[more] |
US2009-34 pp.27-32 |
US |
2008-08-29 14:30 |
Tokyo |
Jamstec |
A Basic Study of Focusing Characteristics of Acoustic Aplanatic Lens for Ambient Noise Imaging Kazuyoshi Mori, Hanako Ogasawara, Toshiaki Nakamura (NDA), Yuji Sato (Univ. Tsukuba), Takenobu Tsuchiya, Tetsuo Anada, Nobuyuki Endoh (Kanagawa Univ.) US2008-28 |
Much attention has been paid to the new idea of detecting objects by using ocean ambient noise. This concept is called a... [more] |
US2008-28 pp.11-16 |
US |
2007-08-24 11:00 |
Kanagawa |
The Port and Airport Research Institute |
Fluctuations of Sound Propagation at Hashirimizu Port Hanako Ogasawara, Kazuyoshi Mori, Toshiaki Nakamura (National Defense Academy), Koichi Mizutani (Univ. Tsukuba) US2007-29 |
Acoustical monitoring method could monitor wide area such as ocean because it can spatially measure the measurement obje... [more] |
US2007-29 pp.7-12 |