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Spherical Fidelity Patterns of UWB Antennas

机译:超宽带天线的保真度模式

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摘要

The time domain radiation properties of UWB antennas are analyzed, especially the angular dependent impulse distortion, with respect to the signal transmitted in the main beam direction, is investigated. The correlation properties of the radiated pulses are determined by the so called fidelity $F$. The fidelity $F$ is together with the peak pulse amplitude $P$ a powerful tool for the characterization of impulse radiating antennas. The results are applied to two different UWB antennas, a Vivaldi antenna and a Bow-tie antenna. The spatial regions with good correlation and high peak power are determined for both by measurements for verification. The results are vital for UWB impulse communications, and for UWB Radar as well.
机译:分析了UWB天线的时域辐射特性,尤其是针对在主波束方向上传输的信号,研究了与角度有关的脉冲失真。辐射脉冲的相关特性由所谓的保真度$ F $确定。保真度$ F $与峰值脉冲幅度$ P $一起是表征脉冲辐射天线的有力工具。结果应用于两个不同的UWB天线,一个Vivaldi天线和一个领结天线。通过验证的测量来确定具有良好相关性和高峰值功率的空间区域。结果对于UWB脉冲通信以及UWB雷达也至关重要。

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