Computer Science – Performance
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992josaa...9.1525r&link_type=abstract
Journal of the Optical Society of America A, Vol. 9, No. 9, p. 1525 - 1535
Computer Science
Performance
30
Scientific paper
The use of predetection compensation for the effects of atmospheric turbulence combined with postdetection image processing for imaging applications with large telescopes is addressed. Results from a parametric study of performance are presented to demonstrate improvements in power spectrum estimation for both point sources and an extended object and improvements in the Fourier phase spectrum estimation for an extended object. Three regions of performance were found with respect to the object Fourier phase spectrum estimate obtained from bispectrum postprocessing. Accurate simulations were used to obtain some parameters for the power spectrum SNR analysis and to obtain the Fourier phase spectrum results.
Matson Charles L.
Roggemann Michael C.
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