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A general differentiation-based instantaneous frequency estimator

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3 Author(s)
Sichun Wang ; Defence R&D Canada-Ottawa ; Robert Inkol ; Sreeraman Rajan

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 modified version of the GDF estimator, referred to as the MGDF estimator, is especially attractive for software-based real time demodulation of binary FSK signals.

Published in:

Communications, 2008 24th Biennial Symposium on

Date of Conference:

24-26 June 2008