Compressed sensing for next generation instruments

Details Compressed sensing for next generation instruments Compressed sensing for next generation instruments

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010an....331..652a&link_type=abstract

Astronomische Nachrichten, Vol.331, Issue 6, p.652

Astronomy and Astrophysics

Astronomy

1

Instrumentation: Polarimeters, Instrumentation: Spectrographs, Methods: Observational

Scientific paper

This document discusses the possibility of using compressed sensing techniques for measuring 2D spectro-polarimetric information using only one etalon and a broad prefilter. Instead of using an etalon and an extremely narrow prefilter (with all the subsequent problems of alignment), the idea is to use multiplexing techniques to include in the observations all the secondary peaks of the etalon. The reconstruction of the signal is done under the assumption that it can be efficiently reproduced in an orthogonal basis set.

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