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- Digital_filter abstract "In signal processing, a digital filter is a system that performs mathematical operations on a sampled, discrete-time signal to reduce or enhance certain aspects of that signal. This is in contrast to the other major type of electronic filter, the analog filter, which is an electronic circuit operating on continuous-time analog signals. An analog signal may be processed by a digital filter by first being digitized and represented as a sequence of numbers, then manipulated mathematically, and then reconstructed as a new analog signal (see digital signal processing). In an analog filter, the input signal is "directly" manipulated by the circuit.A digital filter system usually consists of an analog-to-digital converter to sample the input signal, followed by a microprocessor and some peripheral components such as memory to store data and filter coefficients etc. Finally a digital-to-analog converter to complete the output stage. Program Instructions (software) running on the microprocessor implement the digital filter by performing the necessary mathematical operations on the numbers received from the ADC. In some high performance applications, an FPGA or ASIC is used instead of a general purpose microprocessor, or a specialized DSP with specific paralleled architecture for expediting operations such as filtering.Digital filters may be more expensive than an equivalent analog filter due to their increased complexity, but they make practical many designs that are impractical or impossible as analog filters. When used in the context of real-time analog systems, digital filters sometimes have problematic latency (the difference in time between the input and the response) due to the associated analog-to-digital and digital-to-analog conversions and anti-aliasing filters, or due to other delays in their implementation.Digital filters are commonplace and an essential element of everyday electronics such as radios, cellphones, and stereo receivers.".
- Digital_filter thumbnail FIR_Filter_General.svg?width=300.
- Digital_filter wikiPageExternalLink filters.html.
- Digital_filter wikiPageExternalLink filters.html.
- Digital_filter wikiPageExternalLink wrapper.jsp?arnumber=1083419.
- Digital_filter wikiPageExternalLink wrapper.jsp?arnumber=1162392.
- Digital_filter wikiPageExternalLink wrapper.jsp?arnumber=1451724.
- Digital_filter wikiPageExternalLink ZTransformFilterMod.html.
- Digital_filter wikiPageExternalLink ~ts.
- Digital_filter wikiPageExternalLink www.digitalfilterdesign.com.
- Digital_filter wikiPageExternalLink dfilter.
- Digital_filter wikiPageExternalLink demo.
- Digital_filter wikiPageExternalLink iir_explorer.html.
- Digital_filter wikiPageExternalLink www.winfilter.20m.com.
- Digital_filter wikiPageID "41033".
- Digital_filter wikiPageRevisionID "605597656".
- Digital_filter hasPhotoCollection Digital_filter.
- Digital_filter subject Category:Digital_signal_processing.
- Digital_filter subject Category:Signal_processing_filter.
- Digital_filter subject Category:Synthesiser_modules.
- Digital_filter type Ability105616246.
- Digital_filter type Abstraction100002137.
- Digital_filter type Cognition100023271.
- Digital_filter type Faculty105650329.
- Digital_filter type PsychologicalFeature100023100.
- Digital_filter type SynthesiserModules.
- Digital_filter comment "In signal processing, a digital filter is a system that performs mathematical operations on a sampled, discrete-time signal to reduce or enhance certain aspects of that signal. This is in contrast to the other major type of electronic filter, the analog filter, which is an electronic circuit operating on continuous-time analog signals.".
- Digital_filter label "Digital filter".
- Digital_filter label "Digitales Filter".
- Digital_filter label "Filtr cyfrowy".
- Digital_filter label "Filtre numérique".
- Digital_filter label "Filtro digital".
- Digital_filter label "Filtro digital".
- Digital_filter label "Filtro digitale".
- Digital_filter label "Цифровой фильтр".
- Digital_filter label "مرشح رقمي".
- Digital_filter label "ディジタルフィルタ".
- Digital_filter label "数字滤波器".
- Digital_filter sameAs Digitales_Filter.
- Digital_filter sameAs Filtro_digital.
- Digital_filter sameAs Filtre_numérique.
- Digital_filter sameAs Filtro_digitale.
- Digital_filter sameAs ディジタルフィルタ.
- Digital_filter sameAs Filtr_cyfrowy.
- Digital_filter sameAs Filtro_digital.
- Digital_filter sameAs m.0b7mw.
- Digital_filter sameAs Q1163067.
- Digital_filter sameAs Q1163067.
- Digital_filter sameAs Digital_filter.
- Digital_filter wasDerivedFrom Digital_filter?oldid=605597656.
- Digital_filter depiction FIR_Filter_General.svg.
- Digital_filter isPrimaryTopicOf Digital_filter.