Communications: directive radio wave systems and devices (e.g. – Directive – Utilizing correlation techniques
Patent
1987-02-09
1987-11-03
Buczinski, Stephen C.
Communications: directive radio wave systems and devices (e.g.,
Directive
Utilizing correlation techniques
G01S 316
Patent
active
H00003743
ABSTRACT:
A method or technique of resolving multiple energy sources from signals oined by a spatial array of sensors in which portions of two prior art techniques are combined to yield an improved hybrid technique. The method involves sampling and digitizing the output of a sensor array, forming and storing a co-variance matrix from such digitized samples, determining the eigenvectors and corresponding eigenvalues relating to said matrix, performing a directional eigenanalysis on the data of the matrix and determining the minima of the resulting curves, then using a minimum variance method to calculate from said matrix data the total power at each steering direction corresponding to each of said minima, then thresholding the calculated total powers to eliminate false alarms and yield the direction of each power source.
Abo-Zena Anas
Church Eugene L.
Buczinski Stephen C.
Card, Jr. Harold H.
Lane Anthony T.
Sachs Michael C.
The United States of America as represented by the Secretary of
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