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Vivaldi antenna with improved directivity for medical applications

机译:Vivaldi天线具有改进的方向性,可用于医疗应用

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This paper presents a compact balanced antipodal Vivaldi antenna for medical microwave imaging applications. The antenna is supposed to operate in a matching liquid with a high dielectric permittivity. The proposed antenna covers the frequency range from 0.5 GHz to over 3 GHz. In the presented design, the substrate between the tapered radiating parts of the antenna is removed and as a result the matching liquid fills the resulting cavity. Thus higher directivity and narrower beam in the E-plane are obtained. The results of the simulation are verified with the measurement of the fabricated prototype.
机译:本文提出了一种紧凑的平衡对映维瓦尔第天线,用于医疗微波成像应用。该天线应该在具有高介电常数的匹配液体中工作。拟议的天线覆盖从0.5 GHz到3 GHz以上的频率范围。在提出的设计中,天线的锥形辐射部分之间的基板被去除,结果,匹配的液体充满了产生的空腔。因此,在E平面中获得了更高的方向性和更窄的光束。仿真结果通过制造原型的测量得到验证。

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