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首页> 外文期刊>Antennas and Wireless Propagation Letters, IEEE >A Unidirectional Cylindrical Conformal Monopole Antenna Designed for Impulse Radar System
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A Unidirectional Cylindrical Conformal Monopole Antenna Designed for Impulse Radar System

机译:专为脉冲雷达系统设计的单向圆柱形共形单极天线

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摘要

A compact unidirectional cylindrical conformal monopole antenna with 40 mm diameter and 25 mm height is designed for an impulse radar system. The antenna is employed for radiating Gaussian monocycle with peak-peak width of 300 ps. Impedance loaded is adopted to achieve ultrawideband (UWB) impedance matching and unidirectional radiation. Simulations with CST Microwave Studio (CST MWS) and experiments have been conducted to assist with the characterization of the antenna. Simulation results and experimental data showed to be in good agreement. The impedance bandwidth is 0.67-2.15 GHz for S11 ≤ -10 dB and covers the main range of the pulse spectrum. The front-to-back ratio of the amplitude of the received signal reaches about 3.5:1.
机译:设计用于脉冲雷达系统的紧凑型单向圆柱形共形单极天线,直径为40 mm,高度为25 mm。该天线用于辐射峰值峰宽为300 ps的高斯单周期。采用阻抗负载来实现超宽带(UWB)阻抗匹配和单向辐射。已经进行了CST Microwave Studio(CST MWS)的仿真和实验,以帮助表征天线。仿真结果与实验数据吻合良好。 S11≤-10 dB时,阻抗带宽为0.67-2.15 GHz,并覆盖了脉冲频谱的主要范围。接收信号幅度的前后比率约为3.5:1。

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