Abstract
In this chapter we demonstrate the use of SBO methodology for design optimization of dielectric resonator antennas (DRAs). Analysis, design verification, and optimization of DRAs are all simulation based because analytical models of DRA (Petosa 2007), though indispensable, can be used mostly to estimate initial designs which should be further tuned to account for particular installation environment, housing, and feeding (Kishk and Antar 2007). Simulation-based optimization of DRAs is normally associated with multiple evaluations of their discrete full-wave models, which turn to be computationally expensive, even for a single accurate simulation due to the high-permittivity dielectric resonator core and full-wave nature of the underlying physics. SBO techniques alleviate this problem substantially by shifting the computational burden to the DRA surrogate so that optimization of realistic DRA models can be conducted.
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© 2014 Slawomir Koziel and Stanislav Ogurtsov
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Koziel, S., Ogurtsov, S. (2014). Optimization of Dielectric Resonator Antennas. In: Antenna Design by Simulation-Driven Optimization. SpringerBriefs in Optimization. Springer, Cham. https://doi.org/10.1007/978-3-319-04367-8_7
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DOI: https://doi.org/10.1007/978-3-319-04367-8_7
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