| Title |
Evaluation of material nonlinearities using rectangular pulse trains for excitation / |
| Authors |
Chaziachmetovas, Andrius ; Svilainis, Linas ; Kybartas, Darius ; Aleksandrovas, Arturas ; Liaukonis, Dobilas |
| DOI |
10.1016/j.phpro.2015.08.026 |
| Full Text |
|
| Is Part of |
Physics procedia: proceedings of the 2015 ICU international congress on ultrasonics, Metz, France, May 10-15, 2015.. Amsterdam : Elsevier. 2015, vol. 70, p. 582-585.. eISSN 1875-3892 |
| Keywords [eng] |
nonlinear ultrasound ; rectangular pulse trains ; transducer excitation ; ultrasonic pulser |
| Abstract [eng] |
Aim of the presented investigation was to evaluate the suitability of the rectangular pulse trains for nonlinear material parameters study. It was assumed that if duty cycle of the excitation is 50% then second harmonic is significantly reduced. Excitation signal frequency was fixed to the A/D sampling frequency and signal carefully gated to reduce the signal leak into neighbouring frequency bins. Sine wave correlation was used to extract the harmonics content. Results of nonlinear parameters measurement for several materials are given as performance comparison. |
| Published |
Amsterdam : Elsevier |
| Type |
Conference paper |
| Language |
English |
| Publication date |
2015 |
| CC license |
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