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DOE OSTI · 1605445

Full waveform analysis for high pressure ultrasonic measurement

Li, L.·Weidner, D. J.
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Abstract

In this paper we report a data analysis protocol for ultrasonic velocity measurements carried out in a synchrotron x-ray facility based multi-anvil high-pressure apparatus. Synthetic ultrasonic signals for the time period between echoes from the two ends of the sample assembly are created with a few simple parameters as the echo waveform is modeled by the first echo from the anvil-assembly boundary. Each echo is modeled as a delta function with an amplitude and arrival time and convolved with this waveform. The final waveform, fit to the data, enables analysis of signals with overlapped echoes as they are common in small cell assemblies and high pressure.

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47 OTHER INSTRUMENTATIONCell assemblyData analysisGeneralized functionsHigh pressure instrumentsSynchrotronsUltrasonics

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BibTeXRIS

Li, L., Weidner, D. J.. 2020-03-10. Full waveform analysis for high pressure ultrasonic measurement. https://doi.org/10.1063/1.5134084

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