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frequency-wavenumber domain

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6 - Data Transformations
Edward S. Krebes, University of Calgary
Book:

Seismic Wave Theory

Published online:

15 March 2019

Print publication:

28 March 2019, pp 230-241
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Summary

This chapter looks at how seismic wave theory relates to transforming seismic wave travel-time data into different representations such as the frequency domain (achieved with a 1D Fourier transform), the frequency-wavenumber domain (achieved with a 2D Fourier transform), and the tau-p domain (or intercept time–ray parameter domain). The reason for transforming seismic data into different domains is that the data may be easier to analyze and interpret in other domains. Furthermore, 1D and 2D filtering can be done often more conveniently in the frequency and frequency-wavenumber domains. Also covered are topics related to the tau-p domain, namely, slant-stacking, plane wave decomposition, and the Hilbert and Radon transforms.