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can one explain what is discrete wavelet transform and exlpain dwt formula with parameters

on 2011-10-30 06:47:07   by krishna   on Electronics & Communication  1 answers

sanchayita

on 2011-10-30 09:30:00  

Discrete wavelet transforms (DWT) are applied to discrete data sets and produce discrete outputs. Transforming signals and data vectors by DWT is a process that resembles the fast Fourier transform (FFT), the Fourier method applied to a set of discrete measurements.