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Coding Artificial Magnetic Conductor Ground and Their Application to High-Gain, Wideband Radar Cross-Section Reduction of a 2×2 Antenna Array
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2021-03-19 , DOI: 10.1002/pssa.202100088 Muhammad Saleem 1 , Yasir Saifullah 1
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2021-03-19 , DOI: 10.1002/pssa.202100088 Muhammad Saleem 1 , Yasir Saifullah 1
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A new technique is proposed for designing a low-scattering 2 × 2 antenna array using strategic coding metasurface ground for wideband bistatic and monostatic backscattered energy level reduction. Two various artificial magnetic conductor (AMC) units cells are organized like a chessboard to obtain an effective 180° ± 37° reflection phase difference over a broadband frequency range. The low-backscattering microstrip antenna array is achieved based on the destructive interference theory and diffusion property of AMC unit cells. Simulations show that the proposed antenna array has a considerable backscattering field level reduction of 4.7–18 GHz for both the x- and y-polarization incident waves. It should also be noted that the maximum reduction of backscattered energy at a frequency of 7.2 GHz is −18 dB. The bistatic backscattering performance of the antenna is also given at different frequencies. Both a reference and a proposed prototype are fabricated, and the results are analyzed. Measurements of the fabricated prototype coincide well with simulations.
中文翻译：
人工磁导体接地编码及其在2×2天线阵列高增益宽带雷达截面积减小中的应用
提出了一种使用战略编码超表面接地设计低散射 2 × 2 天线阵列的新技术，用于宽带双基地和单基地反向散射能级降低。两个不同的人造磁导体 (AMC) 单元像棋盘一样组织起来，以在宽带频率范围内获得有效的 180°±37° 反射相位差。基于AMC晶胞的相消干涉理论和扩散特性，实现了低背散射微带天线阵列。仿真表明，对于x - 和y，所提出的天线阵列具有 4.7-18 GHz 的相当大的反向散射场电平降低-极化入射波。还应注意，7.2 GHz 频率下反向散射能量的最大减少为 -18 dB。还给出了天线在不同频率下的双基地反向散射性能。制造了参考和建议的原型，并对结果进行了分析。制造的原型的测量结果与模拟非常吻合。
更新日期：2021-03-19
中文翻译：
人工磁导体接地编码及其在2×2天线阵列高增益宽带雷达截面积减小中的应用
提出了一种使用战略编码超表面接地设计低散射 2 × 2 天线阵列的新技术，用于宽带双基地和单基地反向散射能级降低。两个不同的人造磁导体 (AMC) 单元像棋盘一样组织起来，以在宽带频率范围内获得有效的 180°±37° 反射相位差。基于AMC晶胞的相消干涉理论和扩散特性，实现了低背散射微带天线阵列。仿真表明，对于x - 和y，所提出的天线阵列具有 4.7-18 GHz 的相当大的反向散射场电平降低-极化入射波。还应注意，7.2 GHz 频率下反向散射能量的最大减少为 -18 dB。还给出了天线在不同频率下的双基地反向散射性能。制造了参考和建议的原型，并对结果进行了分析。制造的原型的测量结果与模拟非常吻合。
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