Waves and Fourier sums
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Waves and Fourier sums
Jon Claerbout
1
FOURIER TRANSFORM
FT as an invertible matrix
The Nyquist frequency
Laying out a mesh
INVERTIBLE SLOW FT PROGRAM
CORRELATION AND SPECTRA
Spectra in terms of Z-transforms
Two ways to compute a spectrum
Common signals
SETTING UP THE FAST FOURIER TRANSFORM
SETTING UP 2-D FT
Basics of two-dimensional Fourier transform
Signs in Fourier transforms
Simple examples of 2-D FT
Magic with 2-D Fourier transforms
Passive seismology
THE HALF-ORDER DERIVATIVE WAVEFORM
Hankel tail
References
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2013-01-06
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