【摘要】 超宽带无线通信技术工作频带范围在3.1～10.6 GHz,与现有的窄带系统频带重叠，易造成信号间干扰。鉴于此，提出基于拓扑优化的方法，利用Matlab和HFSS联合仿真实现超宽带微带天线在3个特定频段的陷波设计。以30 mm×40 mm×1mm的FR4作为介质基板，通过拓扑优化和灰狼算法相结合设计天线构型。优化后构型的工作带宽为3.1～10.6 GHz,在3.1～3.76、4.52～4.76和7.12～8.27 GHz 3个频段内反射系数S₁₁>-10 dB,实现了目标频段80%的带阻特性，有效抑制全球微波接入频段（world interoperability for microwave access, WiMAX）和C波段2个频段的信号干扰。数值算例表明：利用拓扑优化方法可以实现多陷波超宽带微带天线的设计，验证了拓扑优化方法在超宽带多陷波天线设计的高效性，拓宽了拓扑优化方法在天线设计领域的应用。更多还原

【Abstract】 Ultra Wide Band（UWB） wireless communication technology works in a frequency band range of 3.1-10.6 GHz, which overlaps with the existing narrow system frequency band and easily causes inter-signal interference. In view of this, this paper proposes a method based on topological optimization to achieve notch design of UWB microstrip antennas in three specific frequency bands through the co-simulation of Matlab and HFSS. Using FR4 of 30 mm×40 mm×1mm as the dielectric substrate, the antenna configuration is designed by combining topology optimization and Gray Wolf Optimizer（GWO）. The optimized configuration has a working bandwidth of 3.1-10.6 GHz, and a reflection coefficient S₁₁>-10 dB in 3.1-3.76 GHz, 4.52-4.76 GHz and 7.12-8.27 GHz, which achieves 80% of the band resistance characteristics in the target band and effectively inhibits signal interference with WiMAX（World Interoperability for Microwave Access） and C band. The numerical example shows that the topology optimization method can be used to design multi-notched UWB microstrip antennas, which verifies the efficiency of the topology optimization method in the design of multi-notched UWB antennas, and expands the application of the topology optimization method in the field of antenna design.更多还原