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Rev Sci Instrum. 2014 Mar;85(3):036105. doi: 10.1063/1.4868590.

Note: Detection jitter of pulsed time-of-flight lidar with dual pulse triggering.

Author information

1
Electronics Laboratory, Department of Electrical Engineering, University of Oulu, 90014 Oulu, Finland.

Abstract

To enable very large dynamic range of optical input amplitude for pulsed time-of-flight laser rangefinders required in industrial applications, multi-triggering receivers have been previously proposed. In this Note, the detection jitter of such a receiver using the average of leading and trailing edge crossing times as a pulse timing estimate is experimentally evaluated, with especial attention on the jitter due to signal shot noise. It is shown that the average of leading and trailing edge threshold crossing times gives smaller detection jitter than either edge solely, and that this effect is emphasized at higher signal shot noise levels.

PMID:
24689633
DOI:
10.1063/1.4868590

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