'Linear phase fir filters' presentation slideshows

DSP-CIS Chapter-4: FIR & IIR Filter Design

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Digital Filter Specifications

Digital Filter Specifications. Only the magnitude approximation problem Four basic types of ideal filters with magnitude responses as shown below (Piecewise flat). Digital Filter Specifications. These filters are unealisable because (one of the following is sufficient)

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FIR Filters

FIR Filters. FIR filters have transfer functions of the following form:. The impulse response is. This impulse response function is finite in duration . Such filters are referred to as finite impulse response or FIR filters.

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