Modified effective bandwidths of adaptive optical control systems for compensation in Kolmogorov turbulence | Zendy

Youming Guo | Zendy; Xiaoyu Ma | Zendy; Rao Chang-Hui | Zendy

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Modified effective bandwidths of adaptive optical control systems for compensation in Kolmogorov turbulence

Author(s) -

Youming Guo,

Xiaoyu Ma,

Rao Chang-Hui

Publication year - 2013

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.62.134207

Subject(s) - residual , bandwidth (computing) , spectral density , control theory (sociology) , computer science , compensation (psychology) , turbulence , tracking error , physics , algorithm , telecommunications , control (management) , psychology , artificial intelligence , psychoanalysis , thermodynamics

Based on the time serial signal generated by power spectrum density inversion, the closed-loop compensation residual variances of tracking loop and high-order error correction loop with finite error rejection -3 dB bandwidth and time delay are simulated. The data fitting results of relationships between residual variances and corresponding error rejection -3 dB bandwidths are obtained. The system effective bandwidths are modified so as to make the estimate of residual variances more precise.

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