Using a priori knowledge of the signal power spectral density (PSD), a spectrum matching approach which effectively utilizes the available signal spectral shape is developed for random signal detection. Two spectrum matching detector (SMD) structures, which are implemented by correlogram and periodogram, respectively, are examined. Theoretical calculation of their false alarm rates is derived and confirmed by simulations. It is also demonstrated that the proposed detectors outperform the standard periodogram, Bartlett method, and energy detector under constant false alarm rate (CFAR) condition for two different random signals.
Detection of random signals via spectrum matching
IEEE Transactions on Aerospace and Electronic Systems ; 38 , 1 ; 301-307
2002-01-01
632396 byte
Article (Journal)
Electronic Resource
English
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