Band Pass Filters with Linear Phase Response

EBook Description: Filters with linear phase response are desirable, due to their flat group delay, in many applications, for example in image processing and digital data transmission. Such filters maximally preserve the wave shape of the pasing signal, since they delay all frequency components of the signal by the same amount (i.e. do not cause phase distortion).

Signal filtering is often central to the design of many communication subsystems. The isolation or elimination of information contained in frequency ranges is of critical importance. In simple
amplitude modulation (AM) radio receivers, for example, the user selects one radio station using a bandpass filter techniques.

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