EntityQ1523340· pop 9· linked from 32 articlescausal systemSign in to savesystem where the output depends only on past and current inputsConnectionsnatureEntityInternational Standard Book NumberEntitygeneral relativityEntityspecial relativityEntitydifferential equationEntitysystemEntitycausalityEntityQ118398Entityif and only ifEntityphysical systemEntitydigital signal processingEntitycontrol theoryEntitymoving averageEntityimpulse responseEntitylinear time-invariant systemEntityautoregressive modelEntitycausalityEntitytime-invariant systemEntitymemorylessnessEntitycausal modelEntityCategoriesCausalityClassical control theoryDigital signal processingDynamical systemsSystems theory