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首页> 外文期刊>Antennas and Propagation, IEEE Transactions on >Low-Cost Series-Fed Microstrip Antenna Arrays With Extremely Low Sidelobe Levels
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Low-Cost Series-Fed Microstrip Antenna Arrays With Extremely Low Sidelobe Levels

机译：具有极低旁瓣电平的低成本串联馈送微带天线阵列

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摘要

This paper presents a new method of designing and implementing low-cost series-fed microstrip antenna arrays with low sidelobe levels by applying standard single-layer PCB technology. The method is based on the Z-parameter characteristics obtained from the electromagnetic full-wave simulation of the array elements by using a two-port network model. Two types of antenna arrays are designed and presented with the use of the proposed method. The first type is a uniform linear array with sidelobe level of 24.2 dB at the 24.125 GHz frequency band. The second type is a nonuniform linear array that provides at least 50% more physical space between the central patches to be used in 2-D arrays; this antenna has sidelobe level of 25 dB at 24.125 GHz. Both antennas achieve an excellent performance in the entire bandwidth of 250 MHz.
机译：本文提出了一种通过应用标准单层PCB技术设计和实现具有低旁瓣电平的低成本串联馈电微带天线阵列的新方法。该方法基于通过使用两端口网络模型从阵列元件的电磁全波仿真获得的Z参数特性。利用所提出的方法设计并给出了两种类型的天线阵列。第一种是均匀线性阵列，在24.125 GHz频带上的旁瓣电平为24.2 dB。第二种类型是非均匀线性阵列，可在要用于二维阵列的中央贴片之间提供至少50％的物理空间；该天线在24.125 GHz时的旁瓣电平为25 dB。两根天线在250 MHz的整个带宽中均具有出色的性能。

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