Direction finding of nonstationary signals using a time-frequency hough transform.

We consider the problem of direction finding for nonstationary signals impinging on an array of sensors. Making use of a time-frequency representation of the data, we are able to exploit the non-stationary nature of the source signals. We employ a generalized Hough transform to estimate the timefrequency signature of each source. The proposed method also allows direction finding when there are more sources than the number of array sensors.

Main Author: Cirillo, Luke A.
Other Authors: Zoubir, Abdelhak M., Amin, Moeness G.
Language: English
Published: 2005
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