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Precision of frequency scanning interferometry distance measurements in the presence of noise.

Warden, M S (2014) Precision of frequency scanning interferometry distance measurements in the presence of noise. Appl. Opt., 53 (25). pp. 5800-5806.

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Abstract

A lower limit - the Cramér-Rao Bound (CRB) - on the variance of Frequency Scanning Interferometry (FSI) distance measurements in the presence of noise is presented. We show that, with a suitable analysis method, the variance of experimental measurements almost reaches this limit. In particular, the variance of results with a simple analysis method was 1.54 times the limit. This bound aids the understanding of FSI distance measurement uncertainty, and provides a benchmark to compare FSI analysis algorithms against.

Item Type: Article
Keywords: Cramer Rao Bound, FSI, multilateration, lasers, noise
Subjects: Engineering Measurements
Engineering Measurements > Dimensional
Identification number/DOI: 10.1364/AO.53.005800
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/6348

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