Chapters by Dr. Akimasa Suzuki

• Book Chapter Real-Time Distance Measurement for Indoor Positioning System Using Spread Spectrum Ultrasonic Waves
  by Akimasa Suzuki, Taketoshi Iyota and Kazuhiro Watanabe in the book "Ultrasonic Waves" edited by Auteliano Antunes dos Santos Júnior, ISBN 978-953-51-0201-4, InTech, March 3, 2012