Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Receiver
Patent
1992-05-29
1994-02-22
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Receiver
342 96, 342 25, G01S 1372
Patent
active
052891895
ABSTRACT:
A method of reducing tracking errors in an area comprised of touching surveillance regions which involves; transmitting a plurality of signals into a region, receiving signals scattered from the region and analyzing the received signals using a processing means, to produce target measurements; dividing each region into a number of zones comprising an edge zone at each edge of said region and one or more center zones; associating target measurements with appropriate zones; apportioning said measurements into data blocks on a storage means such that each pair of adjoining edge zones form a single data block and each central zone forms a data block; updating target tracks in each data block using said target measurements; allocating target tracks from each data block to the correct region; and displaying the tracks on a visual display means. A separate list of tracks for those targets contained in the edge track zone of touching regions is maintained. In this way a single track will be maintained for a target moving in the edge zones thereby reducing the likelihood of tracking errors. The invention is particularly useful for radar tracking systems.
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Sotomayor John B.
The Commonwealth of Australia
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