Abstract
AbstractAlthough unconditionally stable (US), the accuracy of ADI‐FDTD is not so high as that of conventional FDTD. In this paper, a high‐order US‐FDTD based on the weighted finite‐difference method is presented. A strict analysis of stability shows that it is unconditionally stable. And, more importantly, its numerical‐dispersion performance is superior to that of ADI‐FDTD. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 142–144, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20749
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