Self compensating phase control for Venetian blind steering in phased arrays.

Details Self compensating phase control for Venetian blind steering in phased arrays. Self compensating phase control for Venetian blind steering in phased arrays.

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988vlti....2..771p&link_type=abstract

ESO Conference on Very Large Telescopes and their Instrumentation, Vol. 2, p. 771 - 780

Computer Science

Image Processing

Scientific paper

The term "self compensating phase control" is a name for the approach to use the rotation of each array element (e.g. telescopes) in the phased array to provide most of the large optical path length shift required for phasing during a phased array look angle shift by individual telescope slew (i.e. venetian blind steering). The optical train configuration discussed here provides about 97% of the optical path length compensation required for a slew of ±20 degrees from the array normal. This greatly reduces the amplitude required of the piston control mirror.

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