System and method for target motion analysis with...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Reexamination Certificate

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C367S118000, C367S131000

Reexamination Certificate

active

07020046

ABSTRACT:
An underwater target tracking capability is disclosed for a grid-search technique utilizing parameter evaluation plot techniques comprising processing acoustic sonar measurements in conjunction with additional kinematics and environmental information. In the implementation described here, the measurements considered are passive broadband sphere bearings together with limiting knowledge of target speed and range at initial detection. These information sources are processed in a manner especially suited to enable rapid response to the emerging tactical situation.

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patent: 6532191 (2003-03-01), LaRosa et al.

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