ocr: (a) 0.0 .0.1 .02 .0.3 .0.4 .05 Normalized Frequency - (b) yonytmy Input Signal - puryimy Level 3 Approximation - - - yopmy Level 2 Approximation - - peysr Level 1 Approximation - 1 - - Level 0 Approximation Figure 1: (a) The Discrete Wavelet Transform (DWT) divides tbe spectrum oftbe sampled data into octave bands; (b) tbe resolution al each level of the DWT is balf that oft the level above it and twice tbal of the level belou. At lower levels, time resolution is sucrifceudjor/requency localization.
