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Adaptive instruments for ultrasonic nondestructive testing of large objects with complex structures

  • Acoustic Methods
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Abstract

An ultrasonic multifunctional adaptive measuring complex, which is built on the basis of a personal computer and algorithmically generates various simple and complexly modulated probing signals, is described. This system implements various radio-engineering algorithms for processing echo signals (storage, optimal filtering, synchronous detection, etc.) and provides adaptation of the signal parameters to the characteristics of inspected objects. Using the example of a frequency-modulated signal, it is shown that an adaptive measuring complex can increase the testing reliability and provide high sensitivity and high resolution owing to both the adaptive adjustment of the parameters of a probing signal and the compensation for distortions in the received signal in the electroacoustic path.

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Correspondence to V. K. Kachanov.

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Original Russian Text © V.K. Kachanov, I.V. Sokolov, R.V. Kontsov, A.A. Sinitsyn, M.B. Fedorov, 2016, published in Defektoskopiya, 2016, No. 5, pp. 3–13.

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Kachanov, V.K., Sokolov, I.V., Kontsov, R.V. et al. Adaptive instruments for ultrasonic nondestructive testing of large objects with complex structures. Russ J Nondestruct Test 52, 251–260 (2016). https://doi.org/10.1134/S106183091605003X

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  • DOI: https://doi.org/10.1134/S106183091605003X

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