On the Fundamental Limitations of Ultra-Wideband Antennas

被引：3
作者：
Uvarov, Ant V. [1 ]
Gerasimov, M. Yu. [2 ]
Uvarov, And V. [1 ]
机构：
[1] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia
[2] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia
来源：
JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2019年 / 64卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
ANTIPODAL VIVALDI ANTENNA; PRINTED MONOPOLE ANTENNA; TAPERED SLOT ANTENNA; PHYSICAL LIMITATIONS; OPTIMIZATION; LIMITS;
D O I：
10.1134/S1064226919030185
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An electrodynamic limitation on the characteristics of antennas with a semi-infinite range as the limiting case of ultra-wideband (UWB) antennas is found. This limitation relates the directivity, the input reflection coefficient, the lowest operating frequency, and the overall size of the antenna and takes into account its geometric shape. An expression for estimating the lowest operating frequency of antennas with a given size and shape is obtained. Expressions for estimating the minimum achievable size and lowest operating frequency of rectangular printed UWB antennas with linear polarization are derived.
引用
收藏
页码：229 / 233
页数：5
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