F-K Analysis
F-K Analysis : Frequency (f) versus wavenumber (k) analysis is a key array processing technique that maps the power of seismic waves observed at an array as a function of the wave propagation azimuth (or backazimuth) and the horizontal slowness component for a given frequency band. F-k analysis is also used to identify seismic phases on the basis of their distance dependent slowness differences and to locate seismic events. See wavenumber filtering, wavenumber vector, slowness, array beam, and slowness vector and Chapter 9 in this Manual
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