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This paper addresses the problem of estimating the velocity of a propagating wave in the presence of other waves traveling at different velocities. Signals from a linear array of receivers are first windowed to attenuate interfering signals. Velocities are calculated from spatial frequency estimates obtained for each temporal frequency using a variation of Prony's method. This procedure is applied to the sonic well logging problem where shear wave velocity is estimated from data which contain interfering compressional and guided fluid waves.
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '82. (Volume:7 )
Date of Conference: May 1982