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Definition of "multi-scale analysis" |
the analysis or transformation of a signal using analysis basis Functions or analysis filters with differing time resolutions or spatial resolutions. Equivalently the basis functions have differing frequency resolutions. This is in contrast to the continuous or discrete Fourier transform whose analysis basis functions all have (roughly) the same frequency and time resolution. For discrete multi-resolution analysis a multi-level filter bank is often used: the discretewavelet transform being a classic example. |
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