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A prototype sensor node for footstep detection

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2 Author(s)
Mazarakis, G.P. ; Dept. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Greece ; Avaritsiotis, J.N.

Persons moving over ground can be detected from vibrations induced to soil in the form of seismic waves which are measured by geophones or expensive MEMS accelerometers. We are proposing a sensor node that uses a low-cost bending mode piezoelectric accelerometer, operating near its resonant frequency, specially designed for footstep detection.

Published in:

Wireless Sensor Networks, 2005. Proceeedings of the Second European Workshop on

Date of Conference:

31 Jan.-2 Feb. 2005