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Optical Engineering

Use of spatial light modulators in frequency modulation reticle trackers
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Paper Abstract

Advances in spatial light modulator (SLM) technology have resuited in an active search for signal processing algorithms for use with SLMs in incoherent electro-optical systems. This paper presents an effective means of generating tracking algorithms for locating small targets with a single detector using FM reticle theory. A simple "barrel transformation" of a spinning FM reticle pattern to an SLM is shown to allow tracking systems to be constructed with solid state devices and avoids the need for moving parts. Also, SLMs allow the FM patterns to change over time, allowing adaptive interrogation of targets in a particular region of a system's field of view.

Paper Details

Date Published: 1 November 1990
PDF: 6 pages
Opt. Eng. 29(11) doi: 10.1117/12.55744
Published in: Optical Engineering Volume 29, Issue 11
Show Author Affiliations
Ronald G. Driggers
Carl E. Halford, Memphis State Univ. (United States)


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