Seismic FilteringThis tutorial symposium on seismic filtering contains seven chapters, each by a different author. Topics covered include introductions to 1D and 2D spectra, the FPI's delay-line filter, optical correlation, inverse filtering of plane waves, marine analogue filtering, and seismic emission by vibrators. |
Contents
SOME PHASE CONSIDERATIONS | 9 |
DIFFERENTIATION AND INTEGRATION | 18 |
CYLINDRICAL FUNCTIONS | 24 |
Copyright | |
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amplitude appear applied approximation arrivals assumed attenuation autocorrelation axis band beds bottom calculated channels condition considered constant correlation corresponding curve deconvolution defined delay depth determined diffraction display distance effect employed equal equation example expressed fact Figure filter force formula Fourier transform frequency function given gives ground heads hence horizon impulse input integral inverse k₁ k₂ known less light limit located m/sec marine maximum means measured method modulus msec multiples necessary noise obtained operator optical original output performed period phase plane plate positive present Problem properties ratio record reflection coefficient relation represents respect result reverberations sampling seen seismic seismic trace seismogram shot shows signal spectra spectrum surface symmetrical term tion trace variable vary velocity vibrator wave Weighting written zero