Radiation intensity of base station antenna from Ad Hoc complex bessel functions series

H. Nieto-Chaupis
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引用次数: 1

Abstract

In this paper, we have performed a closed-form calculation of the radiation pattern of a base station antenna by using Ad Hoc Bessel-Fourier expansion. Once the coordinates system is fixed, we proceed to derived the magnetic potential vector underlining the complex part which is subsequently expanded in a Bessel-Fourier series. Since the radiation intensity is proportional to the square of the polar component of electric field, we used the well-known relation $\vec{E} \approx \vec{\nabla}\times \vec{\nabla} \times \vec{A}$. It gives capabilities to apply antenna data to the resulting closed-form expression for obtaining numerical estimations of the possible exposure levels. For this end, we measured the specific absorption radiation (SAR) to evaluate and discard possible effects of contamination by antenna radiation in the vicinity of the emission source. For a source of 2.0 GHz and 1.5 Vm−1, the estimation of SAR reaches up to 30 10−6 W Kg−1.
基于Ad Hoc复贝塞尔函数系列的基站天线辐射强度
在本文中,我们用自组织贝塞尔-傅立叶展开对基站天线的辐射方向图进行了封闭式计算。一旦坐标系固定,我们继续推导复部分下面的磁势向量,然后将其展开为贝塞尔-傅里叶级数。由于辐射强度与电场极分量的平方成正比,我们使用了众所周知的关系$\vec{E} \approx \vec{\nabla}\times \vec{\nabla} \times \vec{A}$。它提供了将天线数据应用于所得到的封闭形式表达式的能力,以获得可能暴露水平的数值估计。为此,我们测量了特定吸收辐射(SAR),以评估和排除发射源附近天线辐射污染的可能影响。当源为2.0 GHz、1.5 Vm−1时,SAR估计值可达30 10−6 W Kg−1。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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