IF estimation of FSK signals using adaptive smoothed windowed cross Wigner-Ville distribution

Abstract

Time-varying signals such as frequency shift-keying (FSK) signals can be characterized by the instantaneous frequency (IF). From the estimated IF, it is possible to derive the signal modulation parameters such as the subcarrier frequencies and the symbol duration. If accurate time–frequency representation (TFR) is obtained, the cross time–frequency… (More)
DOI: 10.1016/j.sigpro.2013.12.031

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