Bahri, Mawardi; Hitzer, Eckhard S.M.; Ashino, Ryuichi; Vaillancourt, Rémi
(Applied Mathematics and Computation, 2010)
In this paper, we generalize the classical windowed Fourier transform (WFT) to quaternion-
valued signals, called the quaternionic windowed Fourier transform (QWFT). Using
the spectral representation of the quaternionic ...