Velocity estimation from short-time temporal and spatial frequency estimates

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.