Joint angle-frequency estimation using multi-resolution ESPRIT

  title={Joint angle-frequency estimation using multi-resolution ESPRIT},
  author={Aweke N. Lemma and Alle-Jan van der Veen and Ed F. Deprettere},
Multi-resolution ESPRIT is an extension of the ESPRIT direction nding algorithm to antenna arrays with multiple baselines. A short (half wavelength) baseline is necessary to avoid aliasing, a long baseline is preferred for accuracy. The MR-ESPRIT algorithm allows to combine both estimates. The same algorithm can be used for multi-resolution frequency estimation, by combining two diierent sampling frequencies. We show how this can be used to construct a joint angle-frequency estimator. 
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