Direction-finding arrays of directional sensors for randomly located sources

Gazzah, Houcem; Delmas, Jean Pierre; Jesus, S. M.

http://hdl.handle.net/10400.1/9357

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Authors

Gazzah, Houcem

Delmas, Jean Pierre

Jesus, S. M.

Abstract(s)

The problem of directional sensor placement and orientation is considered when statistical information about the source direction of arrival is available. We focus on two-sensor arrays and form a cost function based on the Cramer-Rao bound that depends on the probability distribution of the coplanar source direction. Proper positioning and orientation of the sensors enable the two-sensor array to have an accuracy comparable to that of a three-or four-sensor uniform circular array.