Methods and apparatus for enhanced radiation characteristics from antennas and related components

摘要

Aspect of the present disclosure are directed to methods and apparatus producing enhanced radiation characteristics, e.g., wideband behavior, in or for antennas and related components by providing concentric sleeves, with air or dielectric material as a spacer, where the sleeves include one or more conductive layers, at least a portion of which includes fractal resonators closely spaced, in terms of wavelength. A further aspect of the present disclosure is directed to surfaces that include dual-use or multiple-use apertures. Such aperture engine surfaces can include a top (or first) layer of antenna arrays, a middle (or second) layer of a metal-fractal backplane player, and a third (or bottom) layer for solar cell or solar oriented power collection.

主权项

1. A system for wideband antenna performance over a 3 dB bandwidth from 600 MHz to 1500 MHz, the system comprising:
a plurality of nested sleeves, wherein each sleeve includes one or more layers of dielectric substrate having a conductive array of resonators, wherein for at least a portion of the conductive array, the resonators are separated by a non-zero distance corresponding to less than ⅕ λ when the system is operating at a lowest operational frequency, wherein each of the plurality of nested sleeves is separated from the others by a non-zero radial distance, and wherein at least a portion of the one or more sleeves includes a conductive array having resonators that include self-similar geometry.