We have proposed and developed a time-frequency (TF) analysis of linear signal spaces which is primarily based on two novel “TF space representations” called the Wigner distribution of a linear signal space and the ambiguity function of a linear signal space. These TF space representations are extensions of the Wigner distribution (WD) of a signal and the ambiguity function (AF) of a signal, respectively, to linear signal spaces.
KeywordsFilter Bank Signal Expansion Signal Space Wigner Distribution Ambiguity Function
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