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The short-time linear canonical transform (STLCT) can be identified as ageneralization of the short-time Fourier transform (STFT). It is a noveltime-frequency analysis tool. In this paper, we generalize some differentuncertainty principles for the STLCT of complex signals. Firstly, oneuncertainty principle for the STLCT of complex signals in time and frequencydomains is derived. Secondly, the uncertainty principle for the STLCT ofcomplex signals in two STLCT domains is obtained. Finally, the uncertaintyprinciple for the two conditional standard deviations of the spectrogramassociated with the STLCT is discussed.

Uncertainty principles for the short-time linear canonical transform of complex signals