【作者】 陈嘉豪； 周毅江； 薛靖铠； 陈星；

【Author】 CHEN Jiahao;ZHOU Yijiang;XUE Jingkai;CHEN Xing;Sichuan University;

【机构】 四川大学；

【摘要】 本文提出了一种新型基于近场谐振寄生技术(near-field resonant parasitic,NFRP)的宽带调谐电小天线,它具有一种新颖的复合驱动元件,在驱动元件和NFRP元件之间形成容性和感性两种耦合,进而能够在超宽的频率范围内有效地在激励NFRP元件产生辐射,实现电小天线的调谐带宽显著提高。可以在36 MHz～117 MHz实现连续调谐(相对调谐带宽为107.9%),辐射效率大于80%,其电尺寸仅为0.05λ,λ为36 MHz对应波长。更多还原

【Abstract】 In this paper,a novel electrically small antenna based on the NFRP technology is proposed.It has a novel composite driven element,it manipulates a dual-coupling mechanism between the antenna’s driven element and its NFRP element,so as to effectively generate radiation in the excited NFRP element in an ultra-wide frequency range,so that the tuning bandwidth of the electric small antenna is significantly improved.Continuous tuning range can be cover 36 MHz～117 MHz(relative tuning bandwidth is 107.9%),radiation efficiency is greater than 80%,and its electrical size is only 0.05λ at 36 MHz.更多还原