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The second-order cyclostationarity of cyclically prefixed single carrier linear digital (CP-tSCLD) modulated signals is investigated with emphasis on its applicability to signal recognition. Analytical closed-form expressions for the second-order (one-conjugate) cyclic cumulants (CCs) and the set of cycle frequencies (CFs) for CP-SCLD modulated signals are derived. Based on these results, an algorithm...
Instantaneous frequency estimation, a topic of fundamental importance in signal processing, has received considerable attention in the open literature. This paper presents a new instantaneous frequency estimator based on digital differentiation concepts. The proposed estimator, referred to as the GDF estimator, is closely related to, but computationally more efficient than the Kay estimator. A slightly...
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