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Design of zero reference codes by means of a global optimization method

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Saez Landete, José and Alonso Fernández, José and Bernabeu Martínez, Eusebio (2005) Design of zero reference codes by means of a global optimization method. Optics Express, 13 (1). pp. 195-201. ISSN 1094-4087

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Official URL: http://dx.doi.org/10.1364/OPEX.13.000195


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Abstract

The grating measurement systems can be used for displacement and angle measurements. They require of zero reference codes to obtain zero reference signals and absolute measures. The zero reference signals are obtained from the autocorrelation of two identical zero reference codes. The design of codes which generate optimum signals is rather complex, especially for larges codes. In this paper we present a global optimization method, a DIRECT algorithm for the design of zero reference codes. This method proves to be a powerful tool for solving this inverse problem.


Item Type:Article
Additional Information:

© 2005 Optical Society of America.
This research was supported by the national research program, Project No. DPI2001-1238.

Uncontrolled Keywords:Accurate Alignment, Bar Codes, Systems
Subjects:Sciences > Physics > Optics
ID Code:26740
Deposited On:25 Sep 2014 10:45
Last Modified:25 Sep 2014 10:45

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