%0 Journal Article %T Theoretical And Practical Aspects of Measuring the A-Parameters of the Equivalent Two-Port Network of the Track Filter %A Yusupov, R.R. %A Hohrin, A.S. %A Scherbina, E.G. %A Scherbina, A.E. %A Pavlov, E.V. %K digital twin, audio-frequency track circuit, track filter, three-knownloads method, methodology for measuring, operating point %J Transport automation research %D 2026 %N 12 %P 24 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"