Estimation of Signal Parameters via Rotational Invariance Techniques - ESPRIT

@article{Roy1985EstimationOS,
  title={Estimation of Signal Parameters via Rotational Invariance Techniques - ESPRIT},
  author={Robert Roy and Arogyaswami Paulraj and Thomas Kailath},
  journal={MILCOM 1986 - IEEE Military Communications Conference: Communications-Computers: Teamed for the 90's},
  year={1985},
  volume={3},
  pages={41.6.1-41.6.5}
}
A new approach to the general problem of signal parameter estimation is described. Though the technique (ESPRIT) is discussed in the context of direction-of-arrival estimation, it can be applied to a wide variety of problems including spectral estimation. ESPRIT exploits an underlying rotational invariance among signal subspaces induced by an array of sensors with a translational invariance structure (e.g., pairwise matched and co-directional antenna element doublets) and has several advantages… CONTINUE READING

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