一种宽带宽波束的介质谐振超表面天线
By designing a dielectric resonant metasurface antenna, combining high and low dielectric block elements and rectangular slots, and exciting TE111 mode and slot mode resonant modes, the problem of low efficiency of wide-bandwidth beam antennas in the prior art is solved, and efficient radiation with broadband matching and wide beam coverage is achieved.
CN121238240BActive Publication Date: 2026-07-17NANTONG UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANTONG UNIV
- Filing Date
- 2025-11-21
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing wideband beam metasurface antennas mainly rely on metallic metasurfaces, making it difficult to achieve efficient matching of both broadband and wide beam simultaneously.
Method used
A dielectric resonant metasurface antenna is adopted. Through the combination of dielectric block layer, metal ground layer, substrate layer and bottom metal layer, combined with the design of high and low dielectric block units and rectangular slot, the TE111 mode and slot mode of the dielectric resonator are excited to achieve broadband matching and wide beam coverage.
Benefits of technology
It achieves efficient radiation over a wide bandwidth, increases the antenna's bandwidth and beam coverage, while reducing losses and improving the overall efficiency of the antenna.
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Smart Images
Figure CN121238240B_ABST
Abstract
本发明公开了一种宽带宽波束的介质谐振超表面天线，天线的辐射体设计了中间高介质块单元和四周低介质块单元规则结合的结构，该结构改变了所激励的TE111模的垂直电场分布和水平电场分布，使得水平电场集中在高介质块单元的上部，垂直电场由于四周低介质块单元增多进而使得天线具有宽波束的性能。同时，相较于完整的一个介质块结构，通过多介质块间隔排列结构降低天线辐射体的品质因数来扩展带宽。最终在整体结构的作用下，实现宽带匹配、宽波束覆盖及高效率辐射。
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