## Abstract A time‐domain finite‐element method (TDFEM) is presented for simulating the radiation and scattering from cavity‐backed microstrip patch antennas. The perfectly matched layer (PML) is utilized to efficiently truncate the TDFEM solution domain. The higher order vector basis functions are
Fast time-domain characterization of finite size microstrip structures
✍ Scribed by K. Aygün; B. Shanker; E. Michielssen
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 316 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0894-3370
- DOI
- 10.1002/jnm.472
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✦ Synopsis
Abstract
A new fast integral‐equation‐based scheme for analysing electromagnetic transients on finite size microstrip structures is described. The scheme permits the analysis of structures comprised of perfect electrically conducting surfaces and wires along with lossless but potentially inhomogeneous dielectric regions. For typical microstrip structures, the computational complexity of the proposed analysis tool grows as O(N~t~N~sv~ log^2^ N~sv~), where N~t~ denotes the number of time steps in the analysis, N~sv~ = N~s~ + N~v~, and N~s~ and N~v~ represent the number of spatial unknowns that model currents on conducting surfaces/wires/junctions and in penetrable volumes, respectively. This complexity estimate is in stark contrast with that for classical marching‐on‐in‐time solvers, which require O(N~t~N~sv~^2^) CPU resources. Copyright © 2002 John Wiley & Sons, Ltd.
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