| 摘要 |
<p>The invention is a system and method for enabling a center fed reflector antenna system (200) to generate radiation pattern with minimal side lobes. A waveguide (202) is disposed in proximity to a reflector dish (201) pointing into the dish's radiation path. A feed structure (203), located at the top of the waveguide, operates to split the waveguide into a plurality, preferably two, separate segments which are reoriented so as to point back toward the reflector dish. Two waveguide segments leading away from the waveguide preferably carry signals of substantially equal magnitude. Both segments include termination points (206) which transmit energy to and receive energy from the reflecting dish. The two termination points are preferably located in close proximity to each other and equidistant from the reflector dish focal point. The antenna system operates to emulate the ideal of a transmission of a single beam directed toward the geometric center of a reflector dish.</p> |
