Multichannel seeing compensation via software

Details Multichannel seeing compensation via software Multichannel seeing compensation via software

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apopt..24.2898m&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 24, Sept. 15, 1985, p. 2898-2902.

Physics

Optics

1

Astronomical Photometry, Atmospheric Optics, Computer Programs, Instrument Compensation, Signal Processing, Amplitude Distribution Analysis, Binary Stars, Brightness, Fortran, Fourier Transformation, Interferometry, Speckle Patterns

Scientific paper

This article describes a dynamic signal processing program that utilizes 2-D photon counter data and forms the Fourier transform of an image while phase-tracking the individual space-frequency components. Both phase and amlitude spectra are well behaved. Inverse Fourier transforms from the mean phases and mean amplitudes illustrate the imaging performance of the procedure using observations of a double star with a small telescope and verify the legitimacy of the tracking at fairly low light levels. A subset of the procedure is also suggested as an interferometric star tracker having a greater sensitivity bandwidth product than that available from previous techniques.

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