Beam steering antenna for high power microwave application
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摘要: 设计了一种波导窄边缝隙天线阵，其微波传输工作于行波状态，绝大部分能量被缝隙耦合辐射，其余能量被匹配负载吸收。通过等效电路的方法，使得各个缝隙达到均匀辐射，从而具备可拓展组阵能力，此外通过设计移相结构改变相位差，实现方位角方向的波束扫描。该缝隙天线工作在行波状态，避免了电场集中现象的出现，且工作于真空环境，具有较高的功率容量。Abstract: A design of waveguide slot-array antenna for high power applications is introduced. The slots are on the narrow side of waveguide. By achieving uniform radiation of each slot, it is possible to expand the array; besides, it is possible to realize beam scanning in the azimuth direction by adjusting the broad wall dimension of waveguide. The slot antenna has high power capacity while it is working in traveling wave state without the enhancement of electric field and in a vacuum environment.
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Key words:
- high power microwave /
- beam scanning /
- antenna /
- power capacity
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