Dictionary:Fig C-11

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FIG. C-11. Complex-trace analysis. Real (a) and quadrature (b) traces for a portion of a seismic trace. The envelope is shown as the dotted line in (a) and (b). Instantaneous phase is plotted in (c), instantaneous frequency in (d), and weighted average frequency as the dotted curve in (d). (e) Isometric diagram of a complex trace. (From Taner et al., 1979.)