Computer Science – Performance
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..643..194h&link_type=abstract
IN: Infrared, adaptive, and synthetic aperture optical systems; Proceedings of the Meetings, Arlington, VA, Apr. 8, 1985 and Orl
Computer Science
Performance
3
Coherent Light, Image Processing, Synthetic Apertures, Telescopes, Diffraction Limited Cameras, Point Spread Functions, Precision, Root-Mean-Square Errors, Synthetic Arrays
Scientific paper
The comparative advantages of synthetic aperture telescopes (SATs) of segmented primary mirror and common secondary mirror type, on the one hand, and on the other those employing an array of independent telescopes, are discussed. The diffraction-limited optical performance of both redundant and nonredundant subaperture configurations are compared in terms of point spread function characteristics and encircled energy plots. Coherent imaging with afocal telescope SATs involves a pupil-mapping operation followed by a Fourier transform one. A quantitative analysis of the off-axis optical performance degradation due to pupil-mapping errors is presented, together with the field-dependent effects of residual design aberrations of independent telescopes.
Bunner Alan N.
Harvey James E.
Wissinger Alan B.
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