amplitude 2.20 amplitude. Magnitude of the largest departure from its equilibrium value of an acoustic variable.Related Articles: Standards Terms: Rayleigh waveStandards Terms: wave interferenceStandards Terms: nodeStandards Terms: acoustic propagation constantStandards Terms: shadingAlternative Meanings: amplitude9.50 amplitude. In ultrasonic testing, the vertical pulse height of a signal, usually base to peak, when indicated by an A-scan presentation.« Back to Standards Terminolgy IndexRelated Terms:Term: acoustic variableTerm: amplitude
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