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A new method measuring fluid attenuation spectra is presented. Two opposed transducers are stimulated simultaneously. The measured spectra of reverberation and transmitted pulse are used to compensate the probe response, yielding the fluid transfer function which gives the fluid attenuation. The approach is tested on different liquids, measuring the attenuation in a frequency range from 3...8 MHz...
Electrical conductance of an ultrasonic transducer depends on the applied acoustic load. Provided one mechanical port charged with known impedance, and the other port exposed to a fluid, the resulting load is determined by the acoustic impedance of the liquid. This work applies generalized singular value decomposition (GSVD) to determine the transfer function of a pulsed transducer attached to a reference...
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