Filter design and equalization - MIT OpenCourseWare
Filter design and equalization - MIT OpenCourseWare
Filter design and equalization - MIT OpenCourseWare
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Equalizer <strong>design</strong>H(ω)G(ω)<strong>equalization</strong>: given• G (unequalized frequency response)• G des (desired frequency response)Δ<strong>design</strong> (FIR equalizer) H so that G = GH ≈ G des• common choice: G des (ω) = e −iDω (delay)i.e., <strong>equalization</strong> is deconvolution (up to delay)• can add constraints on H, e.g., limits on |h i | or max ω |H(ω)|<strong>Filter</strong> <strong>design</strong> 16
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