time-invariant system

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time-invariant system

[′tīm in‚ver·ē·ənt ‚sis·təm]
(control systems)
A system in which all quantities governing the system's behavior remain constant with time, so that the system's response to a given input does not depend on the time it is applied.
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References in periodicals archive ?
Finally, we could not ignore the possible omitted variable bias if the individual-specific, time-invariant heterogeneity component [[mu].
Besides the normal time-invariant, continuous photon exposure, a new photochemical approach based on intense LED-photo-pulses will be tested to enhance the selectivity.
6) The sixth null-hypothesis, that technical inefficiency is time-invariant ([H.
In this case, it is possible to determine the time-invariant control structure [13].
We use a nationally representative sample of older Medicare beneficiaries and employ an individual fixed-effect model that only uses within-individual variation over time and removes time-invariant unobservable confounders.
This paper proposes a GA based channel estimation technique for time-invariant sparse multipath channels with ST sequence.
For students who have a background in calculus and introductory physics, it provides a rich set of concepts and tools for analyzing deterministic signals and an important class of systems known as linear time-invariant.
From the control perspective, a typical example of hybrid systems would consist of a continuous-time linear time-invariant plant described by linear differential equations and a discrete-time linear time-invariant controller described by linear difference equations, where the former involves continuous-valued variables that depend on the continuous time, and the latter involves continuous-valued variables that depend on the discrete time, thus the hybrid feature of the whole system [4].
i], are time-invariant station characteristics; [[mu].
Multiple linear time-invariant process models are used and validated around a steady state process.
Lee and Park (2010) also applied a SFM with time-invariant efficiency to sample data from the Ladies Professional Golf Association to compare the average efficiency of Asian female golfers with that of North American and European golfers.
c(t)] is a set of time-invariant household covariate averages for cohort c.

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