Electrically small antennas: developments in the early decades of the 20th century

S. Best
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Abstract

Today, it is well known that the performance of an electrically small antenna is a function of how well it is impedance matched to the transmitter and receiver and how well its radiation efficiency is maximized. Recently, much attention has also focused on optimizing the bandwidth or quality factor (Q) of small antennas as a function of their electrical size. In the dawn of radio's invention and development, a significant amount of effort was placed on optimizing the antenna's performance, particularly resonating the antenna at the desired frequency. It was well known in the first decades of the 20th century that an antenna would receive or provide more signal if properly resonated. In these early decades, radio's pioneers developed a number of antenna design techniques and approaches that are still used in today's most common antenna systems and wireless devices. In this paper, we look at some of this early pioneering work and discuss how significant and relevant it is to what antenna engineers do today. These early antenna designers laid a strong foundation for those of us that follow.
电子小天线:20世纪初的发展
今天,众所周知,电小型天线的性能是它与发射机和接收机的阻抗匹配程度以及它的辐射效率最大化程度的函数。近年来,人们对优化小型天线的带宽或质量因子(Q)作为其电气尺寸的函数也非常关注。在无线电发明和发展的初期,大量的努力被放在优化天线的性能上,特别是在期望的频率上共振天线。众所周知,在20世纪的头几十年里,天线如果得到适当的共振,就能接收或提供更多的信号。在最初的几十年里,无线电的先驱们开发了许多天线设计技术和方法,这些技术和方法仍然在今天最常见的天线系统和无线设备中使用。在本文中,我们回顾了一些早期的开创性工作,并讨论了它对当今天线工程师所做的工作的重要性和相关性。这些早期的天线设计者为我们这些后来者奠定了坚实的基础。
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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