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This workshop is held online.

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Technical Committee on Ultrasonics (US)
Chair: Hikaru Miura (Nihon Univ.)
Vice Chair: Jun Kondo (Shizuoka Univ.), Yoshikazu Koike (Shibaura Inst. of Tech.)
Secretary: Daisuke Koyama (Doshisha Univ.), Mototaka Arakawa (Tohoku Univ.)
Assistant: Shinnosuke Hirata (Tokyo Inst. of Tech.)

DATE:
Wed, Aug 26, 2020 13:00 - 16:10

PLACE:
Online

TOPICS:
Underwater acoustics, etc.

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Wed, Aug 26 PM (13:00 - 16:10)
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(1) 13:00 - 13:25
Rescue and analysis of legacy data
-- Utilization of multidisciplinary long-term continuous observation including acoustic method on deep seafloor --
Ryoichi Iwase (JAMSTEC)

(2) 13:25 - 13:50
Experimental evaluation of non-contact ultrasonic thickness gauging method using spatial frequency filter in actual underwater environment
Shun Uemae (KU), Kazuki Abukawa (NITKC), Tomoo Satoh, Sayuri Matsumoto (PARI), Kotaro Hoshiba, Takenobu Tsuchiya, Nobuyuki Endoh (KU)

(3) 13:50 - 14:15
A study of sound velocity profile acquisition method using Doppler shift
Masato Yoshiguchi, Hanako Ogasawara, Kazuyoshi Mori (NDA)

(4) 14:15 - 14:40
Calibration of the broadband quantitative echo sounders
Tomohito Imaizumi (FRA)

----- Break ( 15 min. ) -----

(5) 14:55 - 15:20
Analysis of fluctuations of sound reflected on sea surface using the FDTD method
Tomoya Tsukui (Tokyo Tech), Shinnosuke Hirata (Chiba Univ), Hiroyuki Hachiya (Tokyo Tech)

(6) 15:20 - 15:45
Accuracy evaluation of liver fibrosis estimation based on multi-Rayleigh model with two components considering the effect of lateral resolution
Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.)

(7) 15:45 - 16:10
Behavior of powder levitated in ultrasonic waveguide
Hiroyuki Komatsu, Daisuke Koyama, Mami Matsukawa (Doshisha Univ.)

# Information for speakers
General Talk will have 20 minutes for presentation and 5 minutes for discussion.

# CONFERENCE SPONSORS:
- This conference is co-sponsored by ASJ；Technical Committee on Ultrasonic and Underwater Acoustics, IEEE UFFC Society Japan Chapter.

# CONFERENCE ANNOUNCEMENT:
- This workshop was held online.

=== Technical Committee on Ultrasonics (US) ===
# FUTURE SCHEDULE:

Mon, Sep 28, 2020: Online [Mon, Jul 13]
Thu, Nov 5, 2020: [Tue, Sep 15]

# SECRETARY:
Daisuke Koyama (Doshisha Univ.)
TEL: 0774-65-6300
E-mail: d