This paper investigates various types of coded waveforms that could be used for air-coupled ultrasound. These are needed because of the low signal-to-noise ratios that are found in many air-coupled ultrasonic NDT measurements. The various algorithms are described, and their performance in the presence of noise demonstrated.
A comparison of coded waveforms for air-coupled ultrasonic inspection / Ricci, M., Stefano, L., David, H., Lee, D.. - (2013), pp. 1-5. (2013 18th International Conference on Digital Signal Processing (DSP) ) [10.1109/ICDSP.2013.6622786].
A comparison of coded waveforms for air-coupled ultrasonic inspection
RICCI, MARCO;
2013
Abstract
This paper investigates various types of coded waveforms that could be used for air-coupled ultrasound. These are needed because of the low signal-to-noise ratios that are found in many air-coupled ultrasonic NDT measurements. The various algorithms are described, and their performance in the presence of noise demonstrated.File allegati a questo prodotto
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