Stellar speckle interferometry energy spectrum recovery by convex projections

Details Stellar speckle interferometry energy spectrum recovery by convex projections Stellar speckle interferometry energy spectrum recovery by convex projections

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apopt..26.1530e&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 26, April 15, 1987, p. 1530-1536. Research supported by the Harvard-Smithsonian Center for

Physics

Optics

6

Energy Spectra, Iterative Solution, Signal To Noise Ratios, Speckle Interferometry, Stellar Spectra, Algorithms, Autocorrelation, Fourier Transformation

Scientific paper

A new method is described for recovering the object energy spectrum in
stellar speckle interferometry. An initial division estimate is improved
with a constrained iterative algorithm that uses projections onto convex
sets. The technique is demonstrated to recover the energy spectrum out
to frequencies where the signal-to-noise ratio is less than 1.

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