Square element antisymmetric coded apertures

Details Square element antisymmetric coded apertures Square element antisymmetric coded apertures

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992exa.....2..227b&link_type=abstract

Experimental Astronomy (ISSN 0922-6435), vol. 2, no. 4, p. 227-232.

Astronomy and Astrophysics

Astronomy

8

Antisymmetry, Apertures, Background Noise, Coding, Gamma Ray Astronomy, Imaging Techniques, X Ray Astronomy, Error Correcting Codes, Pixels

Scientific paper

This paper describes a method for constructing square element coded
aperture patterns which possess 90 deg antisymmetry. The resulting
patterns now make possible the removal of systematic detector background
noise from a square pixel detector by means of 'antimask' imaging using
a single aperture, and without requiring full 180 deg aperture rotation.

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