A circularly polarized elliptical dielectric resonator antenna (EDRA) has been studied theoretically and experimentally when a single conformal strip is employed for excitation. The antenna has been analyzed using a rigorous moment method model in conjunction with the volume-surfaceintegral-equation (VSIE). The results have been compared to those obtained from measurements with good agreement.
Soil moisture is an important key parameter in the earth ecosystem that has an impact on both landscape and atmospheric conditions. Moreover, sudden changes to soil moisture due to environmental conditions result in degradation to food plants and, thus, may consequently affect food yields. This chapter aims to investigate numerically an application for crops health through soil moisture detection using microwave-based sensors. The numerical studies are carried out using full-wave electromagnetic simulations. More emphasis on the numerical setup of microwave antennas with customized modeled soil layer is presented.
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