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

Jos� Saez-Landete | Zendy; José Alonso | Zendy; Eusebio Bernabéu | Zendy

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

Author(s) -

Jos� Saez-Landete,

José Alonso,

Eusebio Bernabéu

Publication year - 2005

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.000195

Subject(s) - zero (linguistics) , computer science , inverse , inverse problem , algorithm , optics , autocorrelation , zero crossing , mathematics , physics , mathematical analysis , statistics , geometry , philosophy , linguistics , quantum mechanics , voltage

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.

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