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设计了一种双槽孔圆极化微带贴片天线。讨论了槽孔尺寸对天线性能的影响。并采用同轴探针顶部附加电容片的方式对天线馈电来增加带宽。在中心频率12GHz处,相对带宽为11.85%(VSWR≤2)。
A dual slot circularly polarized microstrip patch antenna is designed. The effect of slot size on antenna performance is discussed. And use the top of the coaxial probe additional capacitor film way to feed the antenna to increase the bandwidth. At a center frequency of 12 GHz, the relative bandwidth is 11.85% (VSWR ≦ 2).