Range/doppler ship imaging for ordnance control

Details Range/doppler ship imaging for ordnance control Range/doppler ship imaging for ordnance control

G - Physics

01

S

343/28

G01S 13/90 (2006.01) G01S 13/66 (2006.01)

Patent

CA 1213024

RANGE/DOPPLER SHIP IMAGING FOR ORDNANCE CONTROL ABSTRACT Distortions inherent in the formation of a range/doppler image by an airborne Synthetic Aperture Radar (SAR) of a ship under the influence of roll, pitch, and yaw motions characteristic of sea state conditions removed in conjunction with a least squares linear regression solution to doppler processed interfero- metric azimuth angle data derived from ship radar reflections, resulting in a scaled high resolution range/doppler image repre- sentative of the true range/cross range (azimuth) distribution of the ship, so that continuous automatic tracking of a cursor imbedded in a single designated resolution cell of the ship's displayed image, essential to carrying out precision standoff command weapon guidance to that selected ship target cell, can be accomplished.

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