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首页> 外文期刊>Journal of Electromagnetic Waves and Applications >A numerical investigation of finite ground planes and reflector effects on monopole antenna factor using FDTD technique
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A numerical investigation of finite ground planes and reflector effects on monopole antenna factor using FDTD technique

机译：FDTD技术对有限接地平面和反射器对单极天线因子影响的数值研究

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摘要

An accurate antenna factor ((AF) over right arrow) is highly desirable for radiated emission and/or normalized site attenuation measurements. An (AF) over right arrow is often measured in the presence of a perfectly conducting ground plane and reflectors. For a receiving antenna; the ground plane or reflectors affects the electromagnetic field by altering the magnitude and distribution of the incident field. It also introduces mutual coupling between the antenna and its image beneath the ground. These effects can cause a different measured (AF) over right arrow when the same antenna is polarized horizontally or vertically in respect with ground, or calibrated at a different height. Using a monopole antenna: we conduct a numerical analysis to quantify the influence of the ground and reflector on the (AF) over right arrow.
机译：对于辐射发射和/或标准化站点衰减测量，非常需要准确的天线系数（右箭头上方的（AF））。右箭头（AF）经常在存在导电性良好的接地平面和反射器的情况下进行测量。用于接收天线;接地平面或反射器通过改变入射场的大小和分布来影响电磁场。它还引入了天线与其在地下的图像之间的相互耦合。当同一天线相对于地面水平或垂直极化，或在不同高度校准时，这些影响会导致右箭头上的测量（AF）值不同。使用单极天线：我们进行了数值分析，以量化右箭头上方地面和反射器对（AF）的影响。

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