The results of using ultrasonic broadband complex-modulated signals to increase the accuracy of measurements of the velocity of ultrasound waves in the acoustic testing of concrete products are presented. It is shown that it is possible to employ signals with linear frequency modulation to analyze the structure of concrete from the attenuation of the ultrasonic signals.
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This research was supported by the Russian Scientific Fund (Project No. 15-19–00096).
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Translated from Izmeritel’naya Tekhnika, No. 7, pp. 61–64, July, 2015.
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Kachanov, V.K., Sokolov, I.V., Fedorov, M.B. et al. The Use of Complex-Modulated Signals to Increase the Accuracy of Measurements of the Velocity of Ultrasound in Concrete. Meas Tech 58, 817–822 (2015). https://doi.org/10.1007/s11018-015-0800-5
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DOI: https://doi.org/10.1007/s11018-015-0800-5