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Proceedings Paper

Unique criterion to estimate the performances of some laser diode range finders
Author(s): Bernard A. Journet; Gaelle Bazin; Cecile Durieu
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Paper Abstract

The purpose of this paper is to present a general method to estimate the intrinsic performances of some laser range finders based on flight time measurement. Classically this flight time can be measured directly, or after a conversion into a phase shift, or into a beat frequency. We prose here a criterion based on signal processing notions, as matched filtering to get the best detection, and ambiguity function to estimate the quality of the detection. The concept of characteristic length is introduced and applied to the different kind of laser range finders, which suggest a new possibility for flight time measurement.

Paper Details

Date Published: 11 September 2001
PDF: 10 pages
Proc. SPIE 4420, Laser Metrology for Precision Measurement and Inspection in Industry, (11 September 2001); doi: 10.1117/12.439213
Show Author Affiliations
Bernard A. Journet, LESiR ENS-Cachan (France)
Gaelle Bazin, ESIEE (France)
Cecile Durieu, LESiR ENS-Cachan (France)

Published in SPIE Proceedings Vol. 4420:
Laser Metrology for Precision Measurement and Inspection in Industry
Armando Albertazzi Jr., Editor(s)

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