Direction estimation of coherent signals using spatial signature

  title={Direction estimation of coherent signals using spatial signature},
  author={Jingmin Xin and Akihide Sano},
  journal={IEEE Signal Processing Letters},
A computationally efficient spatial signature-based (SS) method is proposed for estimating the directions of arrival of coherent narrowband signals impinging on a uniform linear array. The normalized SS of the coherent signals is blindly estimated from the principal eigenvector of array covariance matrix and then is used to estimate the directions with a modified Kumaresan-Prony method, where a linear prediction model is combined with "subarray" averaging. The proposed method not only has the… CONTINUE READING

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