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Analysis of a polarized seismic wave model

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2 Author(s)
S. Anderson ; Ericsson Radio Syst. AB, Stockholm, Sweden ; A. Nehorai

We present a model for polarized seismic waves where the data are collected by three-component geophone receivers. The model is based on two parameters describing the polarization properties of the waveforms. These parameters are the ellipticity and the orientation angle of the polarization ellipse. The model describes longitudinal waveforms (P-waves) as well as elliptically polarized waves. For the latter waves the direction-of-propagation of the waveform is in the plane spanned by the ellipse's major and minor axes; Rayleigh waves are treated as a special case. We analyze the identifiability of the models and derive the Cramer-Rao and mean-square-angular-error (MSAE) bounds involving one or two three-component geophones

Published in:

IEEE Transactions on Signal Processing  (Volume:44 ,  Issue: 2 )