Strain sensitivity model for guided waves in plates using the time-reversal technique

  title={Strain sensitivity model for guided waves in plates using the time-reversal technique},
  author={Alan C. Kubrusly and Nicolas Pex0301rez and J{\'u}lio Cezar Adamowski and Jean Pierre von der Weid},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control},
The use of the time-reversal technique to detect variations in the external applied traction in a strip of aluminum plate is presented. Experiments have been performed in transmission-reception mode, using two fixed ultrasonic transducers near the ends of the plate. Two different parameters of the time-reversed signal are used for monitoring the strain state, the peak amplitude and the focusing time. The inverse filter technique was used in the transmitted signal to equalize the amplitude… CONTINUE READING
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