Nonstationary signal analysis using the RI-Spline wavelet
Zhong Zhang, Hiroaki Kawabata, Zhiqiang Liu · Integrated Computer-Aided Engineering · 2001
In this paper, we propose a new complex-type wavelet which we call RI-Spline wavelet. We show that the RI-Spline wavelet satisfies the admissibility condition and bi-orthogonal condition. That is, the RI-Spline wavelet can be used for continuous and