System and method for processing correlated contacts
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United States of America Patent
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Apr 8, 2003
Grant Date -
N/A
app pub date -
Oct 9, 2001
filing date -
Oct 9, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and process for maintaining correlated contacts (e.g., sonar/radar contacts) utilizes diagonal averaging. A covariance matrix is formed from signals received by an array of sensors. These sensors may be acoustic and/or electromagnetic sensors. The covariance matrix is replaced with Toeplitz matrix. The Toeplitz matrix is a Toeplitz matrix that most closely matches the covariance matrix in the least squares sense. The Toeplitz matrix is used to calculate weight vectors for the adaptively formed response signals.
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