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What is GPR acquisition time?

Time in GPR has different meanings: Time Window = the maximum recording time shown on the data. This can be used to calculate the depth. Acquisition Time = how long it takes to finish one A-scan measurement with a perfect electronics instrument for pulsed GPR. However, GPR devices are not able to collect one A-scan in a single pass and, to reduce noise, normally an A-scan is measured multiple times, and then results are averaged together. So the Acquisition Time is longer than the Time Window.

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