Generalized Wideband Cyclic MUSIC

Generalized Wideband Cyclic MUSIC

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The method of Spectral Correlation-Signal Subspace Fitting (SC-SSF) fails to separate wideband cyclostationary signals with coherent second-order cyclic statistics (SOCS).Averaged Cyclic MUSIC (ACM) method made up for the drawback to some degree via temporally averaging the cyclic cross-correlation of the array output.This paper interprets ACM from another perspective and proposes a new DOA estimation method by offworld drum pads generalizing ACM for wideband cyclostationary signals.The proposed method successfully makes up for the aforementioned drawback of SC-SSF and obtains a more satisfying performance than ACM.

It is also demonstrated that ACM is a simplified form of the proposed method when only a single spectral frequency is exploited, and the integration of the frequencies within the signal bandwidth helps the ribavirin coupon new method to outperform ACM.