A novel presence detector for burst signals based on the fluctuation of the correlation function

The presence detection of communication signals is the precondition and basis of information retrieval, which plays an important role in the signal processing. A new algorithm based on the fluctuation of the correlation function of the received signals in time domain is proposed. The algorithm, employing the first-order fluctuation function of the correlation function as the detection function and combining with the SDM-based adaptive threshold estimation method also proposed in this paper, provides an effective solution to the detection problems of short burst or short burst-interval signals.

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