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FIR filter length

Discussion in 'Electronic Basics' started by fulltime, Mar 16, 2007.

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  1. fulltime

    fulltime Guest

    Hi all,

    Wondering whats the implication of increasing the filter length of a
    2D FIR filter? wat are the applications of a long filter length (eg.
    N>40) in image processing?

    Thanks alot

    FT
     
  2. In general, longer filter lengths are used to achieve specific parameters,
    such as a sharper cutoff (smaller transition bandwidth) and/or better
    stop-band attenuation.
     
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