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.
| Original language | English |
|---|---|
| Number of pages | 1 |
| Publication status | Published - 12 Sept 2023 |
| Event | BINDT - 60th Annual British Conference on NDT (NDT 2023) - Northampton, UK, Northampton, United Kingdom Duration: 12 Sept 2023 → 14 Sept 2023 https://www.bindt.org/events-and-awards/ndt-2023/ |
Conference
| Conference | BINDT - 60th Annual British Conference on NDT (NDT 2023) |
|---|---|
| Abbreviated title | NDT2023 |
| Country/Territory | United Kingdom |
| City | Northampton |
| Period | 12/09/23 → 14/09/23 |
| Internet address |
Keywords
- high-frequency array
- flexible array
- complex geometry components
- ultrasonic NDE
- coded excitation
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