Title :
Calculation of pulse wave propagation in a quasi-TEM line using mode expansion in time domain
Author :
Kochetov, B.A. ; Butrym, A.Yu.
Author_Institution :
Karazin Kharkiv Nat. Univ., Kharkiv
Abstract :
The paper considers pulse propagation in a transverse inhomogeneous waveguide supporting a quasi-TEM wave. The calculation is based on presenting the sought fields in terms of mode expansion with mode amplitudes being functions of time and longitudinal coordinate (Mode Basis Method). In case of transverse inhomogeneous waveguide there is coupling between the modes. Meanwhile a very good convergence of such a mode series is shown here. The obtained solution was verified by direct FDTD calculation.
Keywords :
electromagnetic wave propagation; finite difference time-domain analysis; waveguides; direct FDTD calculation; mode amplitudes; mode basis method; mode expansion; pulse wave propagation; quasiTEM line; time domain; transverse inhomogeneous waveguide; Dielectrics; Electromagnetic analysis; Electromagnetic fields; Electromagnetic propagation; Electromagnetic waveguides; Finite difference methods; Sampling methods; Time domain analysis; Ultra wideband technology; Waveguide theory; FDTD; Mode Basis Method; pulse propagation; quasi-TEM line;
Conference_Titel :
Ultrawideband and Ultrashort Impulse Signals, 2008. UWBUSIS 2008. 4th International Conference on
Conference_Location :
Sevastopol
Print_ISBN :
978-1-4244-2738-3
DOI :
10.1109/UWBUS.2008.4669415
