海军航空工程学院学报
海軍航空工程學院學報
해군항공공정학원학보
JOURNAL OF NAVAL AERONAUTICAL ENGINEERING INSTITUTE
2013年
1期
33-36
,共4页
尹应全%廖昆明%王瑞峰%尹国武
尹應全%廖昆明%王瑞峰%尹國武
윤응전%료곤명%왕서봉%윤국무
超宽带天线%共面波导%谐振耦合%HFSS仿真
超寬帶天線%共麵波導%諧振耦閤%HFSS倣真
초관대천선%공면파도%해진우합%HFSS방진
ultra-wideband antenna%coplanar waveguide%resonance coupling%HFSS simulation
设计了一款共面波导馈电的新型超宽带平面天线,该天线印刷在介电常数为4.4的FR4覆铜介质基板上,尺寸为20 mm×30 mm×1.2 mm,利用仿真软件HFSS对天线参数进行优化仿真.调节辐射贴片上各枝节的长度与宽度,通过不同谐振点的耦合来展宽频带宽度,可实现天线频带宽度为3~11.7 GHz(S11<-10 dB),相对带宽达到119%.按照优化尺寸对天线进行加工,实测数据与仿真值基本吻合.结果表明,该天线不仅可以实现超宽频带,而且结构简单,尺寸小,易于集成.
設計瞭一款共麵波導饋電的新型超寬帶平麵天線,該天線印刷在介電常數為4.4的FR4覆銅介質基闆上,呎吋為20 mm×30 mm×1.2 mm,利用倣真軟件HFSS對天線參數進行優化倣真.調節輻射貼片上各枝節的長度與寬度,通過不同諧振點的耦閤來展寬頻帶寬度,可實現天線頻帶寬度為3~11.7 GHz(S11<-10 dB),相對帶寬達到119%.按照優化呎吋對天線進行加工,實測數據與倣真值基本吻閤.結果錶明,該天線不僅可以實現超寬頻帶,而且結構簡單,呎吋小,易于集成.
설계료일관공면파도궤전적신형초관대평면천선,해천선인쇄재개전상수위4.4적FR4복동개질기판상,척촌위20 mm×30 mm×1.2 mm,이용방진연건HFSS대천선삼수진행우화방진.조절복사첩편상각지절적장도여관도,통과불동해진점적우합래전관빈대관도,가실현천선빈대관도위3~11.7 GHz(S11<-10 dB),상대대관체도119%.안조우화척촌대천선진행가공,실측수거여방진치기본문합.결과표명,해천선불부가이실현초관빈대,이차결구간단,척촌소,역우집성.
A CPW-fed novel ultra-wideband coplanar waveguide planar antenna was designed. The antenna was etched on a copper-cladding substrate with relative dielectric constant 4.4 (20 mm×30 mm×1.2 mm). The pa?rameters of the antenna were simulated and optimized with HFSS. Adjusting the length and width of the minors on the radiating patch,the coupling of the resonance point was used to widen bandwidth. The results showed that the bandwidth (return loss≤-10 dB) was from 3~11.7 GHz that meant a relative bandwidth of 119%. The antenna was designed in accordance with the optimization of the size of the antenna,the data of software simu?lating and the measured data was consistent.The results showed that the proposed antenna could not only realize the ultra-wideband,and simple structure,small size,ease of integration.