针对单层介质单一贴片很难实现360°全域相位变化,文中提出了一种拥有环形贴片和环圆混合型贴片两种贴片组合结构的毫米波平面反射阵列天线,这种结构可以实现更为平滑的360°相位变化。利用这项技术,设计和分析了频率为94GHz的单层毫米波微带平面反射阵列天线,仿真计算验证了该方案的可行性。
A novel millimeter-wave microstrip reflectarray antenna with annular patches and combined patches has been presented,in order to achieve a full 360° range of phase shifts in a single-layer substrate.The choice of this two-type elements can make the phase shift smoother and increased up to 360°.Based on this technique,a single-layer microstrip reflectarray antenna operating at 94 GHz has been designed.The simulation result verifies the feasibility of this design.