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Time Domain Modeling of Lossy and Dispersive Thin Layers

Time Domain Modeling of Lossy and Dispersive Thin Layers,10.1109/LMWC.2007.903432,IEEE Microwave and Wireless Components Letters,Giulio Antonini,Anton

Time Domain Modeling of Lossy and Dispersive Thin Layers   (Citations: 5)
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In this letter, a new algorithm for surface boundary condition of thin layer is proposed to incorporate the effect of lossy and dispersive media. The 1-D wave equation inside the layer is recast as a Sturm-Lioville problem; the Green's function is analytically computed and used to relate tangential electric and magnetic fields. The knowledge of poles and residues allows one to obtain a state space realization, suitable for time domain implementation in finite-difference time-domain methods
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    • ...The finite difference time-domain (FDTD) method has been widely used in electromagnetic field numerical algorithm [1-16] due to its excellent characteristics such as wide applicability, ability to deal with non-uniform media and capability to acquire wideband information with one time calculation combined with Fourier transformation...
    • ...Giulio Antonini et al [6] utilized the surface impedance boundary conditions and Green’s function method to treat the dispersive medium thin layer problem in free space and onedimensional numerical example is given...

    Yun Zhouet al. A general FDTD algorithm handling thin hybrid dispersive layers

    • ...The methodology presented in [34] is especially suited to model thin layers like power-bus planes extracting the true poles of the plane, avoiding fitting techniques...
    • ...Conductor losses are modeled in Zse(s) and dielectric polarization losses are accounted for by complex permittivity ε(s) .U sing the techniques described in [34] and [37], unitary impedance Z(s) and admittance Y (s) can be written in a rational form as...

    Giulio Antonini. A Low-Frequency Accurate Cavity Model for Transient Analysis of Power-...

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