SYSTEM-DESIGN CONSIDERATIONS FOR AN OPTICAL CORRELATOR FOR THE SEASAT-A SYNTHETIC-APERTURE RADAR

Authors
  1. Felstead, E.B.
Corporate Authors
Communications Research Centre, Ottawa ONT (CAN)
Abstract
System-design considerations are presented for an optical correlator that processes signals recorded on film from the synthetic-aperture radar of the SEASAT-A satellite. A strip-map image of the earth's surface is to be produced with a resolution down to 6.5 m along track (azimuth) and 25 m across track (range). The input film and the two-dimensional Fourier transform are described mathematically and their parameters given. Processing problems introduced by range curvature, antenna pitch and yaw, earth rotation, low PRF, etc. are handled by simple modifications to a standard tilted-plane correlator. Recommended system configurations, output parameters and system limitations are given.
Report Number
1321 —
Date of publication
15 Apr 1979
Number of Pages
80
DSTKIM No
79-02166
CANDIS No
86514
Format(s):
Originator's fiche received by DSIS;Hardcopy

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