测试技术学报2011，Vol.25Issue(5)：414-420,7.DOI:10.3969/j.issn.1671-7449.2011.05.008
阶跃阻抗谐振器结构的双频差分天线
Dual-band Differential Antenna Based on Stepped Impedance Resonator
摘要
Abstract
This paper presents a method for the coaxial feeding dual-band differential antenna with stepped impedance resonator (SIR) structure. The antenna is symmetric, and its transmission line model contains two resonant units. By simplifying and analyzing the resonant unit, it is proved that the resonant unit is similar to the standard one-quarter wavelength SIR, and the relationship between the electric length and impedance ratio of the resonant unit and the operating frequencies is deduced. According to the method, a 2.4/5.2 GHz dual-band differential antenna is designed, and the positions of the feed points are optimized when the antenna model is simulated. The realized antenna size is 28.2 mrn× 23.5 mm, equivalent toO. 4λ × 0.33λ. Being fabricated and measured, the designed antenna has operating frequencies of 2.4 GHz and 5.11 GHz, the corresponding gains of 1.9 dBi and 6.6 dBi, respectively. The simulated and measured results show that the presented method for designing dual-band differential antenna is feasible and effective.关键词
阶跃阻抗谐振器/双频/差分/天线/传输线模型Key words
stepped impedance resonator/ dual-band/ differential/ antenna/ transmission line model分类
信息技术与安全科学引用本文复制引用
马润波,张文梅..阶跃阻抗谐振器结构的双频差分天线[J].测试技术学报,2011,25(5):414-420,7.基金项目
国家自然科学基金资助项目(60771052) （60771052）
国家博士后基金特别资助(200801424) （200801424）
山西省高校青年学术带头人专项基金(2009021019-1) （2009021019-1）
山西省青年科学基金(2010021015-1) （2010021015-1）
