Seismic Sensor Using Piezo-Film
Keywords:
Seismic detection, Unattended ground sensor, Piezo-film sensorAbstract
The presented paper focuses on the possibilities of technical methods designed to detect a trespasser under the ground, and in general on the possibilities of detection a trespasser behind an obstruction. The paper analyses method of detection of a trespasser that were practically verified by the author of the paper. The first part of the paper discusses the characteristics and use of piezoelectric films that could be used as a replacement for the traditional geophone for detection of underground mining operation. It also provides a block connection diagram of the measuring chain and photos of the practical implementation of the sensor. The paper is supplemented with illustrative photos and results of numeric processing of signals in the form of graphs and courses.
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