Matched and optimal filters for the creation of a local-vertical reference

Details Matched and optimal filters for the creation of a local-vertical reference Matched and optimal filters for the creation of a local-vertical reference

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982kosis..20..682d&link_type=abstract

Kosmicheskie Issledovaniia, vol. 20, Sept.-Oct. 1982, p. 682-689. In Russian.

Physics

Earth Observations (From Space), Infrared Scanners, Matched Filters, Optical Scanners, Reference Systems, Remote Sensing, Weighting Functions, Linear Filters, Optimization, Signal To Noise Ratios

Scientific paper

The paper considers the synthesis of a matched filter and of a filter with an optimal weight characteristic, with the aim of creating a local-vertical reference for a spaceborne infrared scanning system. It is shown that these filters, which localize the main peak of the signal, are effective in determining the angular position of the earth's center. In addition, they are technically simple, i.e., it is possible to construct efficient and reliable local-vertical references on their basis.

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