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amplitude

1. n. [Geophysics]

The difference between the maximum displacement of a wave and the point of no displacement, or the null point. The common symbol for amplitude is a.

See: amplitude anomaly, attenuation, attribute, bright spot, dilatation, dim spot, filter, footprint, gain, peak, polarity, rarefaction, reflection coefficient, spectral, spectrum, suppression, time slice, trough, true-amplitude recovery, waveform, wavelet, wiggle trace

Diagram of a wavelet.

Diagram of a wavelet.

2. n. [Geophysics]

The amount of displacement of a seismic wavelet measured from peak to trough.

Diagram of a wavelet.

Diagram of a wavelet.