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This OER is part of OCW: Wavelets, Filter Banks and Applications
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• Strang, Gilbert

• Amaratunga, Kevin

• mathematics
• discrete-time filters
• convolution
• fourier transform
• owpass and highpass filters
• sampling rate change operations
• upsampling and downsampling
• ractional sampling
• interpolation
• filter banks
• time domain (haar example) and frequency domain
• conditions for alias cancellation and no distortion
• perfect reconstruction
• halfband filters and