2020
DOI: 10.1155/2020/2608613
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Sensing Fractional Power Spectrum of Nonstationary Signals with Coprime Filter Banks

Abstract: The coprime discrete Fourier transform (DFT) filter banks provide an effective scheme of spectral sensing for wide-sense stationary (WSS) signals in case that the sampling rate is far lower than the Nyquist sampling rate. And the resolution of the coprime DFT filter banks in the Fourier domain (FD) is 2π/MN, where M and N are coprime. In this work, a digital fractional Fourier transform- (DFrFT-) based coprime filter banks spectrum sensing method is suggested. Our proposed method has the same sampling principl… Show more

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References 46 publications
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