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Nonlinear signal processing techniques in ultrasonic tomography of concrete structures
Questions of using various techniques for processing echo signals in ultrasonic tomography instruments for extended complexly structured concrete articles are considered. Various algorithms are discussed for constructing tomograms of tested articles, techniques for radio engineering processing of ultrasonic signals, and different variants of nonlinear image transformations intended for increasing the signal-to-structural noise ratio and improving image quality. It is obvious that it is possible to apply a particular algorithm for processing ultrasonic signals and modify spatiotemporal processing algorithms, attaining positive results for each particular case of testing using only flexible adaptive multifunctional testing instrumentation. The same instrumentation must allow the development of more complex algorithms for detecting and selecting echo signals from structural noise in the cases where an ultrasonic informative signal is much lower than the structural-noise level.
Nonlinear signal processing techniques in ultrasonic tomography of concrete structures
Questions of using various techniques for processing echo signals in ultrasonic tomography instruments for extended complexly structured concrete articles are considered. Various algorithms are discussed for constructing tomograms of tested articles, techniques for radio engineering processing of ultrasonic signals, and different variants of nonlinear image transformations intended for increasing the signal-to-structural noise ratio and improving image quality. It is obvious that it is possible to apply a particular algorithm for processing ultrasonic signals and modify spatiotemporal processing algorithms, attaining positive results for each particular case of testing using only flexible adaptive multifunctional testing instrumentation. The same instrumentation must allow the development of more complex algorithms for detecting and selecting echo signals from structural noise in the cases where an ultrasonic informative signal is much lower than the structural-noise level.
Nonlinear signal processing techniques in ultrasonic tomography of concrete structures
Nichtlineare Signalverarbeitungstechnik in der Ultraschalltomographie von Betonbauteilen
Kachanov, V.K. (author) / Sokolov, I.V. (author) / Turkin, M.V. (author) / Timofeev, D.V. (author) / Fedorov, M.B. (author)
Russian Journal of Nondestructive Testing ; 45 ; 838-849
2009
12 Seiten, 17 Bilder, 5 Quellen
Article (Journal)
English
Nonlinear signal processing techniques in ultrasonic tomography of concrete structures
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