Moving Target Indicator Using Higher Order Statistics.
Patent, Filed 30 Sep 92, patented 27 Jul 93,
DEPARTMENT OF THE NAVY WASHINGTON DC
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While the computation of high resolution radar images based on higher order statistics is position insensitive, velocity estimation may be based on the ratios of values of a trispectral slice and a cross-trispectral slice computed as quadruple products of complex valued signals developed by coherent radar. Signal-to-noise ratio is improved by either averaging over a plurality of bursts during computation of both the trispectral slice and the cross-trispectral slice or averaging of values of ratios of trispectral slice and cross-trispectral slice values at particular frequencies or wavenumbers, or both.
- Active and Passive Radar Detection and Equipment