寄生元件,无源元件;二次辐射体
At last, a slot unit is etched on the parasitic element. By changing the size and location of the slot, the frequency and pattern characteristics of the two-element Yagi patch antenna are changed.
最后,在寄生贴片上引入一种槽单元,通过改变槽单元的尺寸和位置,改变了八木天线的频率特性和方向图特性。
As for the reader antenna, it achieved circular polarization by using fractal patch antenna structure, slotting on the patch, adding parasitic element.
对于阅读器天线,采用分形贴片的微带天线结构,并且在贴片表面开槽和外围加寄生元,实现了天线的圆极化。
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