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- Causal_system abstract "A causal system (also known as a physical or nonanticipative system) is a system where the output depends on past andcurrent inputs but not future inputs i.e. the output only depends on the input for values of .The idea that the output of a function at any time depends only on past and present values of input is defined by the property commonly referred to as causality. A system that has some dependence on input values from the future (in addition to possible dependence on past or current input values) is termed a non-causal or acausal system, and a system that depends solely on future input values is an anticausal system. Note that some authors have defined an anticausal system as one that depends solely on future and present input values or, more simply, as a system that does not depend on past input values.Classically, nature or physical reality has been considered to be a causal system. Physics involving special relativity or general relativity require more careful definitions of causality, as described elaborately in causality (physics).The causality of systems also plays an important role in digital signal processing, where filters are constructed so that they are causal, sometimes by altering a non-causal formulation to remove the lack of causality so that it is realizable. For more information, see causal filter. For a causal system, the impulse response of the system must be 0 for all . That is the sole necessary as well as sufficient condition for causality of a system, linear or non-linear. Note that similar rules apply to either discrete or continuous cases.".
- Causal_system wikiPageID "554087".
- Causal_system wikiPageRevisionID "591751984".
- Causal_system hasPhotoCollection Causal_system.
- Causal_system subject Category:Control_theory.
- Causal_system subject Category:Digital_signal_processing.
- Causal_system subject Category:Dynamical_systems.
- Causal_system subject Category:Physical_systems.
- Causal_system subject Category:Systems_theory.
- Causal_system type Artifact100021939.
- Causal_system type Instrumentality103575240.
- Causal_system type Object100002684.
- Causal_system type PhysicalEntity100001930.
- Causal_system type PhysicalSystems.
- Causal_system type System104377057.
- Causal_system type Whole100003553.
- Causal_system comment "A causal system (also known as a physical or nonanticipative system) is a system where the output depends on past andcurrent inputs but not future inputs i.e. the output only depends on the input for values of .The idea that the output of a function at any time depends only on past and present values of input is defined by the property commonly referred to as causality.".
- Causal_system label "Causal system".
- Causal_system label "Sistema causale".
- Causal_system label "System przyczynowy".
- Causal_system label "Причинная система".
- Causal_system label "因果系统".
- Causal_system sameAs Sistema_causale.
- Causal_system sameAs System_przyczynowy.
- Causal_system sameAs m.02pcg_.
- Causal_system sameAs Q1523340.
- Causal_system sameAs Q1523340.
- Causal_system sameAs Causal_system.
- Causal_system wasDerivedFrom Causal_system?oldid=591751984.
- Causal_system isPrimaryTopicOf Causal_system.