Exact model order ESPRIT technique for frequency and power estimation

In this paper, a new method for the simultaneous estimation of power components and frequency is presented. The method is based on the application of the rotational invariance technique (ESPRIT) based on the cross-correlation matrix. This method enables the alleviation of the effects of additive noise, and improves the computational efficiency. Computer simulation and experimental were performed on synthesized signals to assess the performance of the method.

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