Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Receiver
Patent
1998-06-16
1999-12-07
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Receiver
342105, 342114, 342115, G01S 1358, G01S 1366
Patent
active
059991178
ABSTRACT:
A method for detecting and tracking turns of a maneuvering target comprises the steps of determining first and second radar information of the maneuvering target. The first and second radar information and a set of target speeds are used to determine a set of turn radii for the maneuvering target. The first and second radar information and a set of target arc speeds are used to determine a second set of turn radii for the maneuvering target. The set of turn radii and the set of target speeds define a speed-radius curve, and the second set of turn radii and the set of target arc speeds define an arc speed-radius curve. An intersection of the speed-radius and arc speed-radius curves is located, and the intersection is used to determine whether the maneuvering target has made a turn.
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Anderson Terry J.
Hoch Jr. Karl J.
Northrop Grumman Corporation
Sotomayor John B.
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