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This paper focuses on applying a fourth-order cumulant with spatial smoothing to direction of arrival (DOA) estimation of coherent signals based on a uniform circular array (UCA). We use three types of cumulant matrices in the so-called mode space with spatial smoothing to handle this problem. The DOA estimation performance comparisons of these cumulant matrices with spatial smoothing are shown by...
A new method for estimation of cyclic frequency and direction of arrival (DOA) is presented. A cyclic-frequency-beamspace data model is established, and then is used to estimate cyclic frequency and DOA by using Pro-ESPRIT, beamspace-ESPRIT and an integer search algorithm. Numerical simulation results illustrate the availability of the proposed method
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