Moving target indicator using higher order statistics

Details Moving target indicator using higher order statistics Moving target indicator using higher order statistics

1992-09-30

1993-07-27

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Spectrum analysis

342116, 342160, G01S 1300

Patent

active

052314030

ABSTRACT:
While the computation of high resolution radar images based on higher order tatistics 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.

REFERENCES:
patent: 4555705 (1985-11-01), Bossennec et al.
patent: 4723124 (1988-02-01), Boles
patent: 4847622 (1989-07-01), Maitre et al.
patent: 5122805 (1992-06-01), Peterman et al.
patent: 5157403 (1992-10-01), Urkowitz
patent: 5168214 (1942-12-01), Engeler et al.

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