1-D Multipoint Auxiliary Source Propagator for the Total-Field/Scattered-Field FDTD Formulation

@article{Tan20071DMA,
  title={1-D Multipoint Auxiliary Source Propagator for the Total-Field/Scattered-Field FDTD Formulation},
  author={Tengmeng Tan and M. E. Potter},
  journal={IEEE Antennas and Wireless Propagation Letters},
  year={2007},
  volume={6},
  pages={144-148}
}
A multipoint auxiliary time-domain 1-D propagator is proposed for initiation of plane wave sources in the total-field/ scattered-field formulation (TFSF) of finite-difference time-domain (FDTD). The propagator is developed by making the 1-D and 2-D/3-D dispersion equations identical, leading to a multipoint 1-D stencil. A perfect match can be achieved for a plane wave propagating at an angle forming an integer gridcell ratio, which can in theory represent almost any angle. Numerical examples in… CONTINUE READING
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