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Technical Committee on Ultrasonics (US)
Chair: Tohru Nomura (Shibaura Inst. of Tech.)
Vice Chair: Masao Takeuchi (Tamagawa Univ.), Akira Yamada (Tokyo Univ. of Agric. and Tech.)
Secretary: Yoshikazu Koike (Shibaura Inst. of Tech.), Takaaki Ishii (Univ. of Yamanashi)
Assistant: Shinichi Takeuchi (Toin Univ. of Yokohama)

DATE:
Fri, Aug 29, 2008 13:30 - 16:45

PLACE:
JAMSTEC(http://www.jamstec.go.jp/j/about/access/tokyo.html)

TOPICS:
Underwater Acoustics

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Fri, Aug 29 PM (13:30 - 16:45)
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(1) 13:30 - 14:00
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.)

(2) 14:00 - 14:30
Theoretical prediction of sound field focused by acoustic lens
Hiromu Shiga, Hideyuki Nomura, Tomoo Kamakura (UEC)

(3) 14:30 - 15:00
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.)

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

(4) 15:15 - 15:45
Acoustics monitoring of water atmosphere in Lake Biwa
-- Estimation of water temperature --
Takaharu Kitamura, Yoshiaki Watanabe (Doshisha Univ.)

(5) 15:45 - 16:15
An SSBL Acoustic Positioning of AUV with DSSS Data Transmission
Yoshitaka Watanabe, Hiroshi Ochi, Takuya Shimura (JAMSTEC), Takehito Hattori (Nippon Marine Enterprises Ltd.)

(6) 16:15 - 16:45
A Characteristic Measurement for the Number of the Receiving Channels of the QPSK Demodulator
Hiroshi Ochi, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC), Takehito Hattori (NME)

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

Thu, Sep 25, 2008 - Fri, Sep 26, 2008: [Tue, Jul 22]
Thu, Oct 30, 2008 - Fri, Oct 31, 2008: [Wed, Aug 20]
Thu, Nov 27, 2008: [Mon, Sep 22]

# SECRETARY:
Takaaki Ishii(University of Yamanashi)
Phone : +81-55-220-8419, Fax : +81-55-220-8778
e-mail: i