Coach-Swimmer Communications Based on Wrist Mounted 2.4GHz Accelerometer Sensor
作者： Rabee M. Hagem , Haider A. Sabti , David V. Thiel
DOI: 10.1016/J.PROENG.2015.07.234
关键词: Real-time communication 、 Stroke (engine) 、 Accelerometer 、 Simulation 、 Underwater 、 Wireless communication systems 、 Acceleration 、 Stroke rate 、 Wrist 、 Engineering
摘要: Abstract Two way real time communications during swimming is important for coaches and swimmers in order to reach optimum performance. This paper presents a 2.4 GHz wireless communication system send acceleration data coach tablet at the pool side allow active interactions between their coaches. The radio frequency signal does not propagate effectively underwater because of high attenuation. Therefore transmitter sends only when swimmer's wrist outside water. y-axis provides stroke rate SR, length swim velocity. experimental results showed that link operational 28% per freestyle swimming. more than enough from swimmer reply with coach's feedback.
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