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Avtometriya

2006 year, number 5

Geophysical Data Processing with Allowance for Nonlinear Effects of Radiation and Propagation of Elastic Waves

B. M. Glinsky, M. S. Khairetdinov, and G. F. Sedukhina
Institute of Computational Mathematics and Mathematical Geophysics, SB RAS, Novosibirsk E-mail: marat@opg.sscc.ru
Pages: 37-44

Abstract

The role of nonlinear wave processes of radiation and propagation of elastic oscillations in improving the quality of data processing in physical experiments is considered. Analysis of seismic waves without loss of generality of results relative to waves of another nature is carried out. The data were obtained in seismic physical experiments on depth sounding of the Earth by elastic oscillations generated by powerful surface vibrators developed by scientific institutions of the Siberian Branch of the Russian Academy of Sciences. The efficiency of the proposed approach to data processing is substantiated by the higher measurement accuracy of seismic wave parameters and by results referred to determining by daily and semi-diurnal periodicities of lunar-solar tides in seismic field parameters, which were obtained for the first time.