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Advances in Acoustics and Vibration
Volume 2014, Article ID 921876, 7 pages
http://dx.doi.org/10.1155/2014/921876
Research Article

Doppler Velocity Estimation of Overlapping Linear-Period-Modulated Ultrasonic Waves Based on an Expectation-Maximization Algorithm

Department of Information Processing, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsutamati, Midori-ku, Yokohama, Kanagawa 226-8502, Japan

Received 30 April 2014; Revised 8 October 2014; Accepted 15 October 2014; Published 12 November 2014

Academic Editor: Benjamin Soenarko

Copyright © 2014 Natee Thong-un and Minoru K. Kurosawa. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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