Tatsis G.,University of Ioannina |
Votis C.,University of Ioannina |
Christofilakis V.,University of Ioannina |
Kostarakis P.,University of Ioannina |
And 2 more authors.
Journal of Atmospheric and Solar-Terrestrial Physics | Year: 2015
In this paper, a cost-effective prototype data acquisition system specifically designed for Schumann resonance measurements and an adequate signal processing method are described in detail. The implemented system captures the magnetic component of the Schumann resonance signal, using a magnetic antenna, at much higher sampling rates than the Nyquist rate for efficient signal improvement. In order to obtain the characteristics of the individual resonances of the SR spectrum a new and efficient software was developed. The processing techniques used in this software are analyzed thoroughly in the following. Evaluation of system's performance and operation is realized using preliminary measurements taken in the region of Northwest Greece. © 2015 Elsevier Ltd. Source