Ultrasonic Spectroscopy (USS) is the characterisation of the ultrasonic response of a material to the propagation of a low energy ultrasonic wave. Ultrasonic Spectroscopy can measure the absolute frequency dependant velocity and attenuation of liquids and soft solids. Ultrasonic waves propagate through a medium as a mechanical wave Due to the nature of the Ultrasound wave the method has a number of inherent and useful features.
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