Abstract
Combining complex FastICA and L-shaped array DOA (Direction of Arrival) estimation, a new algorithm is proposed. Firstly, the received signal is whitened to reduce the computational load, Secondly, the original signal is restored by the ICA algorithm, Thirdly, the generalized separation matrix is inversed to obtain the estimation of the array manifold. Finally, the estimated steering vector is projected to the ideal L-shaped array to get the final results. This algorithm doesnt need a spectral peak search, What is more, it is able to recover the source signal during the estimation. The formed new algorithm can get faster speed without losing the intrinsic advantage of the original DOA estimation algorithm. Simulation results confirm the validity of the new algorithm.
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