| 摘要 |
A slotted coaxial antenna design that accomplishes four-way branch feeding without the use of feedlines, is disclosed. In a preferred embodiment, the antenna design is based on a number of layered coaxial feeds where each layer feeds the next outer layer. The internally branch fed slotted coaxial antenna design produces substantially no beam sway over at least four television channels, can accommodate pressurizing for increased power handling, and provides desirable antenna output response performance suitable for digital TV transmission and NTSC antenna systems.
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