Optimal AO control with NGS/LGS wavefront sensors: the multirate case

Details Optimal AO control with NGS/LGS wavefront sensors: the multirate case Optimal AO control with NGS/LGS wavefront sensors: the multirate case

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7736e..37k&link_type=abstract

Adaptive Optics Systems II. Edited by Ellerbroek, Brent L.; Hart, Michael; Hubin, Norbert; Wizinowich, Peter L. Proceedings o

Physics

Optics

Scientific paper

We present the minimum variance control solution for an AO system featuring several NGS/LGS wavefront sensors operating at different sampling rates. We show that the optimal solution is based on a non-stationary Kalman filter. A simple sequential implementation is proposed, with one update equation per sensor. A stationary suboptimal solution is also derived.

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