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Efficient FDTD algorithm for the analysis of structures with symmetrical planes using nonuniform orthogonal mesh and Mur's second-order ABC

✍ Scribed by Anping Zhao

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 81 KB
Volume: 23
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19991220)23:6<381::aid-mop19>3.0.co;2-b

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✦ Synopsis

This paper presents the application of the nonuniform orthogonal mesh FDTD method combined with Mur's second-order ABC to structures that ha¨e symmetrical planes. Particularly, it is re¨ealed that, in order to combine Mur's second-order ABC with a symmetrical plane, an alternate form of Mur's second-order ABC, instead of its con¨entional form, has to be employed. The accuracy and efficiency of the proposed FDTD algorithm are confirmed by analyzing a slot-loaded bow-tie microstrip antenna that has experimental results for comparison.