Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1982-06-17
1985-10-08
Tubbesing, T. H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 5CM, 343 7ED, G01S 1390
Patent
active
045463557
ABSTRACT:
Capability is provided for producing 3 scaled high resolution orthogonal image projections on a CRT of a ship under the influence of translational as well as rotational motions arising from sea state conditions, for the purpose of ship target identification and classification, and the subsequent carrying out of stand-off command weapon guidance to a designated resolution cell of the ship from an airborne platform. Doppler processed interferometric azimuth and elevation angle measurements of the ship scatterers derived from a coherent synthetic aperture radar are combined in a weighted multivariate regression fit using digital signal processing techniques to provide measures of ship translational and rotational motions essential to providing focussed high resolution imagery and precision standoff weapon delivery to the designated ship target resolution cell. The invention also provides a capability for scaling the cross-range (doppler) dimension of Inverse SAR Profile Imagery.
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Barron Jr. Gilberto
Geib Richard G.
Grumman Aerospace Corporation
Hoffman Bernard S.
Tick Daniel J.
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