A simplified view of the cycle‐octave and voice representations of seismic signals
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Figure 3c shows that the semblance-energy function (obtained by raising the numerator in the semblance calculation to the fourth power) combines the false signal rejection properties of semblance with the high resolution properties of the simple stack. Finally, the resolution properties of semblance were verified with surface dynamite data, which exhibited strong air wave contamination. As show~n in Figure 4, semblance has poorer temporal resolution than either stacked energy or the energy-semblance function.