Accurate analysis of the edge taper influence on the performance of hemielliptic lens antennas
作者： Alexander I. Nosich , Artem V. Boriskin , Ronan Sauleau
DOI:
关键词: Edge (geometry) 、 Lens (optics) 、 Radiation pattern 、 Reflector (antenna) 、 Integral equation 、 Antenna (radio) 、 Permittivity 、 Directivity 、 Optics 、 Physics
摘要: Correlation between the lens extension size and broadside directivity of a hemielliptic dielectric antenna (DLA) fed by primary feed with variable radiation pattern is studied in accurate manner. The problem considered two-dimensional formulation solved numerically using in-house software based on Muller boundary integral equations (MBIE). Our results highlight key role edge taper which can be defined for DLAs similarly to theory reflector antennas. A new feature revealed relation optimal needed achieve highest possible permittivity material.
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