Improving industrial inspections combining high-frequency flexible ultrasonic arrays and coded excitation

Germano, Elmergue and Tabatabaeipour, Morteza and Mohseni, Ehsan and Gachagan, Anthony and Lam, Koko and Lines, David (2023) Improving industrial inspections combining high-frequency flexible ultrasonic arrays and coded excitation. In: BINDT - 60th Annual British Conference on NDT (NDT 2023), 2023-09-12 - 2023-09-14, Northampton, UK.

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Abstract

In this study, a commercial 20-MHz 64-element 1 mm-pitch flexible linear array, developed by Novosound Ltd, was evaluated using two different coded excitation techniques to enhance the signal-to-noise ratio and operability on flat and complex-geometry components. Chirp and Golay coded excitation techniques were employed with an arbitrary waveform generation tool to excite the array. A pulse compression technique consisting of a matched filter was implemented, weighted by a Chebyshev window for Chirp excitation.

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• Item metadata

  Item type:	Conference or Workshop Item(Other)
  ID code:	88558
  Dates:	Date Event 12 September 2023 Published 5 May 2023 Accepted
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	25 Mar 2024 16:21
  Last modified:	19 Apr 2024 00:38
  URI:	https://strathprints.strath.ac.uk/id/eprint/88558