Detection the nonlinear ultrasonic signals based on modified Duffing equations
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DOI: 10.1016/j.rinp.2017.08.054
Abstract: Abstract The nonlinear ultrasonic signals, like second harmonic generation (SHG) signals, could reflect the nonlinearity of material induced by fatigue damage in nonlinear ultrasonic technique which are weak nonlinear signals and usually submerged by strong… read more here.
Keywords: shg signals; nonlinear ultrasonic; duffing equations; duffing equation ... See more keywords