Translations:Wavelets - Chapter 9/13/en

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Figure 2 shows the Widess (1973)[1] diagram for a thin soft bed that pinches out in a hard formation. The top and bottom traces correspond, respectively, to the thick and thin edges of a wedge. T is the peak-to-peak period of an individual wavelet. In the top trace, the two wavelets are separated by 2T. In other words, 2T is the distance between the small black circle and the small white circle. In the bottom trace, the separation is only T/20.

  1. Widess, M. B., 1973, How thin is a thin bed?: Geophysics, 38, 1176-1254.