首页> 外文会议>2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science >Going beyond Chu harrington limit: ULF radiation with a spinning magnet array
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Going beyond Chu harrington limit: ULF radiation with a spinning magnet array

机译:超越楚·哈灵顿极限:带有旋转磁铁阵列的超低频辐射

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摘要

ULF antennas, if made portable within a diameter of 1m, will operate under an electrical length of the order of 10-4 to 10-6 wavelengths in free space. Like for any other electrically small antenna, Chu's limit kicks in and defines the lower bound of the radiation quality factor. In this paper we present our study on an electromechanical radiating system based on spinning permanent magnets which is not subject to Chu's limit. Based on our simulation study, a spinning magnet antenna array is proposed.
机译:如果ULF天线可以在1m的直径范围内携带,那么它将在自由空间中在10 -4 至10 -6 波长范围内的电气长度下工作。像其他任何电子小天线一样,Chu的极限开始起作用并定义了辐射质量因数的下限。在本文中,我们介绍了基于不受永磁体限制的旋转永磁体的机电辐射系统的研究。根据我们的仿真研究,提出了一种旋转磁铁天线阵列。

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