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1. n. []

A measure of the similarity of two seismic traces.

See: correlationphantomseismic tracesemblance

2. n. []

The quality of two wave trains, or waves consisting of several cycles, being in phase.

See: wave

3. n. []

The similarity of two mathematical functions as evaluated in the frequency domain.

See: correlation

4. n. []

A quantitative assessment of the similarity of three or more functions, also called semblance.