Range/doppler ship imaging for ordnance control

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

1982-06-17

1986-01-07

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5CM, 343 7ED, G01S 1390

Patent

active

045636869

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 are removed in conjunction with a least squares linear regression solution to doppler processed interferometric azimuth angle data derived from ship radar reflections, resulting in a scaled high resolution range/doppler image representative 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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