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Wideband direction-of-arrival estimation based on cubic spline function
Author(s): 
Pages: 688-693
Year: Issue:  4
Journal: Journal of Systems Engineering and Electronics

Keyword:  array signal processingwideband sourcescubic spline functiondirection-of-arrival (DOA) estimation;
Abstract: A new direction-of-arrival (DOA) estimation algorithm for wideband sources is introduced. The new method obtains the output of the virtual arrays in the signal bandwidth using cubic spline function interpolation techniques. The narrowband high-resolution algorithm is then used to get the DOA estimation. This technique does not require any preliminary knowledge of DOA angles. Simulation results demonstrate the effectiveness of the method.
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