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In this paper we consider the fundamental radiation and scattering properties of the split-ring resonator (SRR) and compare these to the radiation and scattering properties of other resonators that are based on both dipole and loop structures. We show that as ka→0, the SRR radiates as an electric dipole not a magnetic dipole. In the receiving or scattering mode, like all antennas or scattering elements,...
Electrically small antennas have remained a significant topic of interest for a number of applications, particularly low frequency systems and wireless networks requiring small devices. As is well-known, there are a number of techniques whereby an electrically small antenna can be efficiently matched to a 50 Ω system impedance. Ultimately, the primary design challenge is achieving as wide an efficient...
In this paper, the performance properties of several fundamental small-antenna designs are compared as a function of overall length and size (ka), where the antennas operate at or very near the same frequency. The objective of this work is to determine which basic design approach or configuration, if any, offers the best performance in terms of: achieving an impedance match; the radiation-pattern...
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