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  5. Investigation of phase detector for ultrasonic nondestructive testing

Investigation of phase detector for ultrasonic nondestructive testing

O.V. Monchenko
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This article studied the phase detected signals for problems ultrasonic testing of composite materials on the background of additive Gaussian noise. The study was different relations period carrier-frequency, pulse signal and the size of the sliding window of numerical averaging. Simulations performed on the system Matlab.
Keywords: detector phase, the phase characteristics of the signal, Hilbert transform