DBPapers
DOI: 10.5593/SGEM2014/B11/S5.078

SELECTION AND PARTIAL PROCESSING GEOMAGNETIC SIGNALS IN MAGNETOTELLURIC OBSERVATIONS

R.Sharapov, O.Kuzichkin
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-07-0 / ISSN 1314-2704, June 19-25, 2014, Book 1, Vol. 1, 597-604 pp

ABSTRACT
Nowadays efficient algorithms processing and interpretation of the recorded electromagnetic signals in magnetotelluric sounding are developed and widely used. However, the using of irregular natural sources of electromagnetic fields for studying and monitoring the natural environments associated with some problems. Purpose of this work is development of algorithms for selecting and regression processing of partial geomagnetic signals during directional analyzing magnetotelluric observations in the monitoring system of pulsed geomagnetic sources on the basis of the model of plane inhomogeneous waves. In paper we obtain a ratio of error estimates for determining the polarization characteristics in the field registration points. They allow synthesizing directional analysis algorithms. Its can be directed at optimizing the construction of measuring systems and the optimal selection of geomagnetic disturbances in the organization of monitoring pulse geomagnetic sources. We offered techniques and algorithms for partial processing of geomagnetic signals. This allows us completely resolve the ambiguity estimates epicenter geomagnetic disturbance, which is typical for the traditional regression analysis conducted by an invariant polarization characteristics.

Keywords: geomagnetic signal, parcial processing, magnetotellurics.