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- Anti-aliasing_filter abstract "An anti-aliasing filter is a filter used before a signal sampler, to restrict the bandwidth of a signal to approximately satisfy the sampling theorem.Since the theorem states that unambiguous interpretation of the signal from its samples is possible when the power of frequencies above the Nyquist frequency is zero, a real anti-aliasing filter can generally not completely satisfy the theorem.A realizable anti-aliasing filter will typically permit some aliasing to occur; the amount of aliasing that does occur depends on how good the filter is, what design trade-off between reduction of aliasing and maintaining of spatial resolution was chosen and the frequency content of the input signal.Anti-aliasing filters are commonly used at the input of digital signal processing systems, for example in sound digitization systems; similar filters are used as reconstruction filters at the output of such systems, for example in music players. In the latter case, the filter functions to prevent aliasing in the conversion of samples back to a continuous signal, where again perfect stop-band rejection would be required to guarantee zero aliasing.The theoretical impossibility of realizing perfect filters is not much of an impediment in practice, though practical considerations do lead to system design choices such as oversampling to make it easier to realize "good enough" anti-aliasing filters.".
- Anti-aliasing_filter wikiPageID "1291949".
- Anti-aliasing_filter wikiPageRevisionID "605218913".
- Anti-aliasing_filter hasPhotoCollection Anti-aliasing_filter.
- Anti-aliasing_filter subject Category:Anti-aliasing.
- Anti-aliasing_filter subject Category:Digital_signal_processing.
- Anti-aliasing_filter subject Category:Electronic_filter_applications.
- Anti-aliasing_filter subject Category:Linear_filters.
- Anti-aliasing_filter type Artifact100021939.
- Anti-aliasing_filter type Device103183080.
- Anti-aliasing_filter type Filter103339643.
- Anti-aliasing_filter type Instrumentality103575240.
- Anti-aliasing_filter type LinearFilters.
- Anti-aliasing_filter type Object100002684.
- Anti-aliasing_filter type PhysicalEntity100001930.
- Anti-aliasing_filter type Whole100003553.
- Anti-aliasing_filter comment "An anti-aliasing filter is a filter used before a signal sampler, to restrict the bandwidth of a signal to approximately satisfy the sampling theorem.Since the theorem states that unambiguous interpretation of the signal from its samples is possible when the power of frequencies above the Nyquist frequency is zero, a real anti-aliasing filter can generally not completely satisfy the theorem.A realizable anti-aliasing filter will typically permit some aliasing to occur; the amount of aliasing that does occur depends on how good the filter is, what design trade-off between reduction of aliasing and maintaining of spatial resolution was chosen and the frequency content of the input signal.Anti-aliasing filters are commonly used at the input of digital signal processing systems, for example in sound digitization systems; similar filters are used as reconstruction filters at the output of such systems, for example in music players. ".
- Anti-aliasing_filter label "Anti-aliasing filter".
- Anti-aliasing_filter label "Filtre anticrénelage".
- Anti-aliasing_filter label "Filtro anti-alias".
- Anti-aliasing_filter label "Filtro antialiasing".
- Anti-aliasing_filter sameAs Filtro_antialiasing.
- Anti-aliasing_filter sameAs Filtre_anticrénelage.
- Anti-aliasing_filter sameAs Filtro_anti-alias.
- Anti-aliasing_filter sameAs m.04qk_f.
- Anti-aliasing_filter sameAs Q604241.
- Anti-aliasing_filter sameAs Q604241.
- Anti-aliasing_filter sameAs Anti-aliasing_filter.
- Anti-aliasing_filter wasDerivedFrom Anti-aliasing_filter?oldid=605218913.
- Anti-aliasing_filter isPrimaryTopicOf Anti-aliasing_filter.