What's the minimum distance between the gage and the interface specimen/bar to avoid overlapping signals?
Andrew Barr
If all the bars are the same material, the incident wave will be twice the length of the striker bar, and so the distance between the gauge and specimen should be at least as long as your striker bar to avoid overlap. Similarly, the transmitter bar should have at least a striker bar length after the gauge to avoid overlap from the reflection at the free end. In practice you will want to be a little more generous to allow for the signal dispersing in the bar.
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