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Engineering » Mechanical Engineering » "Ultrasonic Waves", book edited by Auteliano Antunes dos Santos Júnior, ISBN 978-953-51-0201-4, Published: March 7, 2012 under CC BY 3.0 license. © The Author(s).

Chapter 9

Real-Time Distance Measurement for Indoor Positioning System Using Spread Spectrum Ultrasonic Waves

By Akimasa Suzuki, Taketoshi Iyota and Kazuhiro Watanabe
DOI: 10.5772/30215