Radar apparatus and method for enhancing the display of moving t

Details Radar apparatus and method for enhancing the display of moving t Radar apparatus and method for enhancing the display of moving t

1991-01-08

1992-03-17

Barron, Jr., Gilberto

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

Clutter elimination

Mti

342181, 342185, G01S 706, G01S 1352

Patent

active

050972685

ABSTRACT:
A radar system that enhances the display of moving targets by using negative scan-to-scan correlation to determine which pixels will be displayed at the brightest level. More specifically, a bit image stores a multi-bit scan-to-scan correlated history for each pixel on a display screen, and when new video data is received on a scan, the bit image memory is modified in accordance therewith. A pixel is enhanced to the brightest level only if a return is received from a spacial location from which returns were not received on previous scans. Thus, a target that moves to a new location is displayed at the brightest level because it doesn't correlate with returns from prior scans.

REFERENCES:
patent: 3325614 (1967-06-01), Kazan
patent: 3757328 (1973-09-01), Goddard
patent: 4179681 (1979-12-01), Zehner et al.
patent: 4443797 (1984-04-01), Cramp et al.
patent: 4829308 (1989-05-01), Tol et al.
patent: 4833475 (1989-05-01), Pease et al.

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