EntityQ7804840· pop 5· linked from 28 articlestime-variant systemSign in to savesystem whose output depends on moment of observation and input signal applicationConnectionsInternational Standard Book NumberEntitydigital object identifierEntityInternational Standard Serial NumberEntitysystemEntitygreenhouse gasEntityalbedoEntityFourier transformEntityLaplace transformEntitycontrol theoryEntitycontrol systemEntitysolar irradianceEntityimpulse responseEntitystationary processEntitylinear time-invariant systemEntitydownsamplingEntitytime-invariant systemEntitydiscrete wavelet transformEntityCategoriesControl theory