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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Compact-Size Linearly Tapered Slot Antenna for Portable Ultra-Wideband Imaging Systems
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Compact-Size Linearly Tapered Slot Antenna for Portable Ultra-Wideband Imaging Systems

机译：便携式超宽带成像系统的紧凑型线性锥形狭缝天线

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摘要

A compact-size asymmetrical linearly tapered slot antenna required for portable ultra-wideband (UWB) imaging systems is presented. The total antenna size is reduced compared with the conventional linearly tapered slot antenna by using a triangular slot on the left-hand side of the tapered-shaped radiator, whereas introducing a corrugated pattern of cuts on the right side. The antenna operates over a wide bandwidth extending from 3.1 to 10.6 GHz with a maximum gain of 8.5 dBi. Stable radiation patterns are observed across the operational bandwidth, with cross-polarization levels below -20 dB. The realized antenna structure occupies a volume of 35 ×36 × 0.8 mm~3, and possesses the essential time domain fidelity needed for UWB imaging applications.
机译：提出了便携式超宽带（UWB）成像系统所需的紧凑型非对称线性锥形缝隙天线。与常规的线性锥形缝隙天线相比，通过在锥形辐射体的左侧使用三角形缝隙，减小了天线的总尺寸，而在右侧引入了波纹状的切口。天线工作在从3.1到10.6 GHz的宽带宽上，最大增益为8.5 dBi。在整个工作带宽内观察到稳定的辐射图，交叉极化水平低于-20 dB。所实现的天线结构体积为35×36×0.8 mm〜3，并且具有UWB成像应用所需的基本时域保真度。

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