Creating Noise-Corrupted Flaw Signals for Ultrasonic Nondestructive Evaluation
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
Noise-corrupted flaw signals with known contributions due to flaw scattering are needed to study flaw detection and characterization approaches. The inability to create these “known flaw” signals which are corrupted with acoustic noise (e.g., grain scattering noise) has presented a problem to the nondestructive evaluation (NDE) community for years. An approach is needed for creating noise-corrupted flaw signals which can be used as a basis for studying the impact of different flaw types, measurement system configurations, signal-to-noise ratios (SNRs), acoustic noise types, etc. on digital signal processing algorithms which are being developed.