A Wideband Electrically Small Transient-State Antenna

被引：22
|
作者：
Manteghi, Majid [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Virginia Tech, Blacksburg, VA 24061 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2016年 / 64卷 / 04期
关键词：
Electrically small antennas; pulse-width modulation; transient analysis; IMPEDANCE;
D O I：
10.1109/TAP.2016.2525828
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：
A new concept associated with feeding an electrically small antenna is introduced to overcome the fundamental limits of antennas. This new understanding of input impedance allows transmission of an arbitrary waveform using a high quality factor (high-Q) resonant antenna which has been previously impossible. A sample design is introduced and simulated using a full-wave electromagnetic simulator in association with a circuit transient simulator. The basic antenna is able to radiate a double-sideband amplitude-modulated signal. A combination of two orthogonal antennas is used to transmit a circularly polarized quadrature phase shift keying (QPSK)-modulated signal. The simulation and measured results confirm the effectiveness of the new concept.
引用
收藏
页码：1201 / 1208
页数：8
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