System for tracking radar targets in background clutter

Details System for tracking radar targets in background clutter System for tracking radar targets in background clutter

1996-03-28

1998-05-05

Sotomayor, John B.

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

Return signal controls radar system

Receiver

342 97, 342140, 342161, 342162, G01S 1372

Patent

active

057481407

ABSTRACT:
A radar tracking system 100 adapted for use with existing radar tracking systems. The inventive system includes a radar target detection system 106, 108 for detecting radar targets in clutter using magnitude and angular position information obtained from return signals. A tracking algorithm 104 is used to track and update the positions of said targets with respect to the position of the radar system. The tracking algorithm includes a true target angle estimator 110 for maintaining accurate target angle information when the target is clutter and when the target is out of clutter. The tracking algorithm maintains accurate target distance information when the target is in clutter and when the target is out of clutter. In a specific embodiment, accurate distance information is maintained in a track file 122 where the amplitudes of return signals are stored once a target is detected by the detection system 100.

REFERENCES:
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patent: 5465095 (1995-11-01), Bryant
patent: 5483240 (1996-01-01), Hsu et al.
patent: 5629705 (1997-05-01), Spettel et al.
Document Number, vol. 016, No. 167 (P-1342), Date 22 Apr. 1992, Name Mitsubishi Hvy Ind Ltd.

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