Dr Madhumita Dash , Ipsita Sahoo
In recent years, there has been an increasing interest with respect to using a set of orthonormal bases of wavelets for multiresolution approximation of a function 2 f x L . This Paper presents a new transform for detection of phase change using the analysis functions which are obtained by dilation of a spline window and is frequency dependent. This paper also enables the present transform to “zoom in” on singularities and makes it very attractive for the analysis of non-stationary signals and the other advantage of this technique is that spline functions are more localized than the Gaussian function which is used in WFT.
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