Technology Base 2004 Report on the Ultrasonic Calibration Test Phantom

Lehman, S K ; Fisher, K A ; Werve, M ; Chambers, D H

Lawrence Livermore National Laboratory

关键词: Calibration;    Lawrence Livermore National Laboratory;    Testing;    Phantoms;    42 Engineering;   

DOI  :  10.2172/15011524
RP-ID  :  UCRL-TR-206876
RP-ID  :  W-7405-ENG-48
RP-ID  :  15011524

美国|英语

来源: UNT Digital Library

【 摘 要 】

We designed and built a phantom consisting of vertical wires maintained under tension to be used as an ultrasonic test, calibration, and reconstruction object for the LLNL annular array scanner known as the KCI scanner. We provide a description of the phantom, present some example data sets, and preliminary reconstructions. The project goals are to design and build a reconfigurable ultrasonic phantom for the KCI scanner. Use it to collect well characterized data under controlled conditions for use as ''canonical data sets'' in testing and evaluating new inversion algorithms. The non-destructive evaluation (NDE) of objects and media of interest to LLNL/DOE/DOD is an essential part of LLNL's mission. Many NDE situations have put demands beyond the scope of the current suite of imaging algorithms. As new algorithms and codes come on line, they must be evaluated on well characterized phantoms. The Ultrasonic Calibration Test Phantom provides such a data set.