Investigation of linear periodically time-varying circuits based on their frequency characteristics

• Autorzy: Shapovalov Yuriy , Bachyk Dariya , Piwowar Anna

Identyfikatory

DOI

10.24425/aee.2025.154994

• Języki publikacji: EN

Abstrakty

EN

Linear circuits with constant parameters are typically analysed based on their frequency characteristics, assuming the invariance of harmonic signals as they pass through the system. However, in linear periodically time-varying circuits, this invariance does not hold. The output signal in such circuits is a periodic signal composed of harmonic components at various frequencies determined by both the input signal and the periodic variation of the circuit parameters. This results in a frequency spectrum that includes harmonics beyond the frequency of the input signal, influenced by the interaction between the input and the parameter variations. This paper investigates the behaviour of parametric devices by examining specific frequency ratios between the input signal and the variation in circuit parameters. The results are demonstrated using a parametric amplifier model and a long transmission line, analysed in the frequency domain.

Słowa kluczowe

EN

frequency symbolic method; linear periodically time-varying circuits; LPTV

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2025
• Tom: Vol. 74, nr 4
• Strony: 757--772
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr., wz.

Twórcy

autor

Shapovalov Yuriy

• Department of Radioelectronic Technologies of Information Systems Lviv Polytechnic National University, Profesorska St., Building 11, Lviv, 79013, Ukraine

• https://orcid.org/0009-0005-4971-3022

autor

Bachyk Dariya

• Department of Radioelectronic Technologies of Information Systems Lviv Polytechnic National University, Profesorska St., Building 11, Lviv, 79013, Ukraine

• https://orcid.org/0000-0002-0535-0398

autor

Piwowar Anna

• Department of Electrical Engineering and Computer Science, Silesian University of Technology, ul. Akademicka 2A, 44-100 Gliwice, Poland

• https://orcid.org/0000-0002-5578-3757

Bibliografia

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