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Time-frequency responses of generalized first order parametric sections

Piwowar A.

Archives of Electrical Engineering

2015

Vol. 64, nr 3

371--377

This paper presents the method of analysis of parametric systems in frequency domain. These systems are also referred to as linear time varying systems (LTV). The article includes a description of an analytical method for determining the frequency response of the first order parametric circuit with non-periodically variable parameters. The results have been illustrated by an example.

Analysis of linear random dynamical systems with variable coefficient

Mazurkiewicz S., Walczak J.

Computer Applications in Electrical Engineering

2014

Vol. 12

38--44

In the article a linear model of n-th order dynamical systems described by the state equation with variable coefficients is considered. This model is analysed for a random initial condition and a random force. The method of determining the probabilistic characteristics of a stochastic process, which is the solution of that equation, is shown.

Time-frequency responses of parallel connection of parametric sections

Piwowar A., Walczak J.

Prace Naukowe Politechniki Śląskiej. Elektryka

2009

z. 2

65-69

In this paper the method for determining the frequency responses of parallel connection of parametric sections when assuming that the impulse-responses of elementary sections are known is presented. The results obtained are illustrated by an example.

W artykule opisano metodę wyznaczania charakterystyk częstotliwościowych połączeń równoległych sekcji parametrycznych LTV, przy założeniu że znane są impulsowe funkcje przejścia sekcji elementarnych. Uzyskane wyniki zilustrowano przykładem.