Estimation of the Alignment Parameters of a Scanning Device with a Multirow Focal Plane Array

G. I. Gromilin, V. P. Kosykh, K. V. Kozlov, V. N. Vasil’ev

Research output: Contribution to journalArticlepeer-review

Abstract

Scanning devices based on multirow focal plane arrays providing increased resolution impose much more stringent requirements on alignment than single-row arrays. This paper presents a new method for measuring and estimating the scanning speed and the angle of orientation of a multirow focal plane array relative to the scanning direction — the parameters that determine the quality of the discrete image formed. The method is based on an analysis of the image of a simple test object — an optical slit. An algorithm for estimating these parameters is proposed which provides high-accuracy estimates under fairly weak requirements for the image quality of the test object. The estimation accuracy was calculated analytically and confirmed by simulation modeling.

Original languageEnglish
Pages (from-to)570-575
Number of pages6
JournalOptoelectronics, Instrumentation and Data Processing
Volume53
Issue number6
DOIs
Publication statusPublished - 1 Nov 2017

Keywords

  • focal plane array
  • orientation of focal plane array
  • scanning device
  • scanning speed
  • time delay integration

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