Influence Analysis of CCD Miss-Distance and Corresponding Research of τ Compensatory Technology Based on Finite Memory

Hai Bo Huang; Wei Hua Wang; Tao Zuo

doi:10.4028/www.scientific.net/KEM.474-476.309

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 474-476Influence Analysis of CCD Miss-Distance and...

Influence Analysis of CCD Miss-Distance and Corresponding Research of τ Compensatory Technology Based on Finite Memory

Abstract:

A series of time lag taches result in miss-distance lag in the coarse tracking system of APT system, which will greatly influence the tracking precision of the whole FSO communication system. In order to provide theory basis for determining the sampling frequency and components with time lag character, the influence on systems stability resulted from phase margin loss caused by miss-distance lag is analyzed in detail. To eliminate the influence caused by miss-distance lag, finite memory based τ Compensatory Technology is put forward, which has characteristics of simple program realization, low CPU overhead and high precision, experiment result shows that miss-distance lag based on τ Compensatory Technology is feasible and effective to practical APT system.

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Periodical:

Key Engineering Materials (Volumes 474-476)

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309-314

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.474-476.309

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Online since:

April 2011

Authors:

Hai Bo Huang, Wei Hua Wang, Tao Zuo

Keywords:

Compensatory Technology, Finite Memory, Miss Distance

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