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微带天线RCS减缩方法的研究
Research on RCS Reduction Method of Microstrip Antenna

DOI: 10.12677/JA.2020.91001, PP. 1-12

Keywords: 微带天线，RCS减缩，棋盘结构，人工磁导体
Microstrip Antenna, RCS Reduction, Checkerboard Structure, Artificial Magnetic Conductor

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Abstract:

针对微带天线的RCS减缩问题，设计了一种新颖的微带贴片天线，在满足天线辐射性能的同时，减缩了微带天线的宽频带雷达散射截面。在此基础上，加载了3 × 3 AMC棋盘式结构，进一步实现了RCS的减缩，并拓宽了微带天线工作的带宽。仿真结果验证了设计的可行性和正确性，表明所提方法可以显著地减缩微带天线的RCS，并能够大幅拓宽其工作带宽，对微带天线的隐身技术有重要意义。
In order to reduce the RCS of microstrip antennas, a novel microstrip patch antenna was designed to reduce the wideband radar cross section of the microstrip antenna while satisfying the antenna radiation performance. Based on this, a 3 × 3 AMC checkerboard structure is loaded, which further reduces the RCS and broadens the operating bandwidth of the microstrip antenna. Simulation results verify the feasibility and correctness of the design. It shows that the proposed method can significantly reduce the RCS of the microstrip antenna, and can greatly expand its operating bandwidth.

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