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- Linear_phase abstract "Linear phase is a property of a filter, where the phase response of the filter is a linear function of frequency. The result is that all frequency components of the input signal are shifted in time (usually delayed) by the same constant amount, which is referred to as the group delay. And consequently, there is no phase distortion due to the time delay of frequencies relative to one another. Perfect linear phase is easily achieved with a discrete-time FIR filter. But FIR filters require high orders and thus more hardware than Infinite Impulse Response (IIR) filters. IIR filters can approximate a linear phase response with: a Bessel transfer function which has a maximally flat group delay a maximally flat group delay approximation function a phase equalizer".
- Linear_phase thumbnail Phase_Plots.svg?width=300.
- Linear_phase wikiPageID "1291180".
- Linear_phase wikiPageRevisionID "606203139".
- Linear_phase caption "Bode plots. Phase discontinuities are π radians, indicating a sign reversal.".
- Linear_phase caption "Phase discontinuities are removed by allowing negative amplitude.".
- Linear_phase footer "Two depictions of the frequency response of a simple FIR filter".
- Linear_phase footerAlign "center".
- Linear_phase hasPhotoCollection Linear_phase.
- Linear_phase image "Amplitude & phase vs frequency for a 3-term boxcar filter.gif".
- Linear_phase image "Frequency response of 3-term boxcar filter.gif".
- Linear_phase width "300".
- Linear_phase subject Category:Digital_signal_processing.
- Linear_phase comment "Linear phase is a property of a filter, where the phase response of the filter is a linear function of frequency. The result is that all frequency components of the input signal are shifted in time (usually delayed) by the same constant amount, which is referred to as the group delay. And consequently, there is no phase distortion due to the time delay of frequencies relative to one another. Perfect linear phase is easily achieved with a discrete-time FIR filter.".
- Linear_phase label "Lineaire fase".
- Linear_phase label "Linear phase".
- Linear_phase sameAs Lineaire_fase.
- Linear_phase sameAs m.04qj28.
- Linear_phase sameAs Q512136.
- Linear_phase sameAs Q512136.
- Linear_phase wasDerivedFrom Linear_phase?oldid=606203139.
- Linear_phase depiction Phase_Plots.svg.
- Linear_phase isPrimaryTopicOf Linear_phase.
