Three Parametric Model Third-Order Software Phase-Locked Loop and its Application in Range Measuring System

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Abstract:

In order to improve the precision of side tone range measuring and realize the range measuring process by software, one kind of three parametric model third-order software phase-locked loop (SPLL) is designed based on three parametric loop filter model and the predominant closed-loop poles theory, which can apply the parameter setting principles of the second-order phase-locked loop; this kind of third-order SPLL is realized through C++ language programming and used as the range measuring system’s side tone phase-locked loop(PLL) to process the experiment data. The results indicates that the precision of phase measuring and capture time satisfy the system’s index.

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Periodical:

Advanced Materials Research (Volumes 383-390)

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5250-5256

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Online since:

November 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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