Filter frequency response

Filter transition region

In signal processing, a filter's frequency response comprises regions of frequency called passbands, stopbands, and transition regions. Typically there is one of each, but there may be multiples. A transition region (or transition band) is the interval between a passband and a stopband, where the curve of amplitude vs frequency continuously changes between a high level and a low level. (Wikipedia).

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From playlist Introduction to Filter Design

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From playlist Introduction to Filter Design

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From playlist The z-Transform

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From playlist MIT RES.6-008 Digital Signal Processing, 1975

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From playlist MIT RES.6-008 Digital Signal Processing, 1975

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http://AllSignalProcessing.com for more great signal processing content, including concept/screenshot files, quizzes, MATLAB and data files. Illustrates problems that can occur during IIR filter design when overly restrictive specifications are employed.

From playlist Infinite Impulse Response Filter Design

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Related pages

Signal processing | Frequency response | Stopband | Passband | Transition band