Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975gita.rept.....r&link_type=abstract
Final Technical Report, Oct. 1972 - Dec. 1974 Georgia Inst. of Tech., Atlanta. School of Electrical Engineering.
Astronomy and Astrophysics
Astronomy
Digital Techniques, Imaging Techniques, Synthetic Arrays, Atmospheric Attenuation, Atmospheric Scattering, Computerized Simulation, Fourier Transformation, Transfer Functions
Scientific paper
The synthetic aperture approach offers an attractive method for obtaining high resolution imagery with low mass, space-borne optical telescopes. This report presents a simple but effective method which allows the processing of dilute-array synthetic aperture optical data in such a way that aberration effects, introduced by unspecified improper positioning of telescope mirror segments can be removed. It is especially well-suited to two-mirror-segment synthetic aperture telescopes, which are characterized by low mass and comparatively good signal-to-noise ratio characteristics. Although there are restrictions on the spectral bandwidth allowed in the imaging process, the method can nonetheless be applied to multispectral imagery. Adoption of the method to the imaging of astronomical subjects through the turbulent atmosphere is also discussed.
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