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In this work, an isosceles 30°–30°–120° triangular shaped Dielectric Resonator Antenna (DRA) is investigated for dual band application. Commercially available numerical 3D EM simulator HFSS is used to investigate the triangular DRA (TDRA). It is found that the antenna shows resonance at 1.68GHz and 2.48GHz. Variations of input impedance (Zi„) and 5ii with frequency are also presented. These two modes...
An isosceles right Triangular Microstrip Antenna (TMA) is investigated here for triple band application. Simple cavity model theory is used to investigate the isosceles 45°–45°–90° TMA. Two different isosceles 45°–45°–90° TMAs are demonstrated for triple band dual polarized antenna. Finite Element Method (FEM) based commercially available numerical 3D EM simulator HFSS is also used here to verify...
In this paper, a 45°–45°–90° triangular shaped Dielectric Resonator Antenna (DRA) is investigated using 3D EM simulator. Square shaped DRA is cut symmetrically to obtain the 45°–45°–90° Triangular DRA (TDRA). Fundamental mode (first resonance) is excited here. Input impedance (Zin), and far-field power patterns are presented. It is found that the 45°–45°–90° TDRA produces a peak in the broadside direction...
An isosceles 30°–75°–75° triangular dielectric resonator antenna (TDRA) is excited using coaxial probe. The antenna gives a measured 47.4% impedance bandwidth, which is much wider than the earlier reported work (5.5%) covering 4.33–7.02 GHz. The wideband is due to the multimode excitation of the ${\mathbf {TM}}_{\mathbf {101}}^{\mathbf {z}}$ and ${\mathbf {TM}}_{\mathbf {103}}^{\mathbf {z}}$ modes...
Higher order modes of an equilateral triangular shaped Dielectric Resonator Antenna (DRA) is excited. Higher order TM103Z, TM105Z and TM115Z modes are excited along with fundamental TM101Z mode. It is found that TM101Z, TM103Z and TM105Z modes produce a peak in the broadside direction whereas TM113Z mode produces a null in the broadside direction.
30°-60°-90° triangular shaped Dielectric Resonator Antenna (DRA) is investigated here. The DRA is formed by cutting the equilateral Triangular DRA (TDRA) along its median. Fundamental mode is excited for both antennas. A comparative study between input impedance, S11 and far-field power patterns are presented. It is found that 30°-60°-90° TDRA produces a peak in the broadside direction.
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