空军工程大学学报(自然科学版)
空軍工程大學學報(自然科學版)
공군공정대학학보(자연과학판)
JOURNAL OF AIR FORCE ENGINEERING UNIVERSITY (NATURAL SCIENCE EDITION)
2014年
3期
66-70
,共5页
郭蓉%曹祥玉%李思佳%张昭%徐雪飞
郭蓉%曹祥玉%李思佳%張昭%徐雪飛
곽용%조상옥%리사가%장소%서설비
印刷宽缝天线%小型化%P波段%超宽带
印刷寬縫天線%小型化%P波段%超寬帶
인쇄관봉천선%소형화%P파단%초관대
printed wide-slot antenna%miniaturization%P band%ultra-wideband
设计了一种P波段小型化超宽带天线。该天线采用微带线对五边形辐射单元进行馈电,接地板上蚀刻了锯齿形边沿的矩形宽缝。通过天线参数的仿真优化,最终实现了相对带宽约95%、尺寸为0.27λ×0.17λ(λ为低频点的自由空间波长)的超宽带 P 波段小型化印刷天线。仿真结果表明:天线的工作频带为300.5~848.8 MHz,带内回波损耗均在-10 dB以下,整个频段内天线的增益均在3 dBi以上,天线为全向辐射。该天线具有平面结构,形状简单,易于共形的特征。最后制作了天线样件并进行了测试,测量结果与仿真结果吻合较好。
設計瞭一種P波段小型化超寬帶天線。該天線採用微帶線對五邊形輻射單元進行饋電,接地闆上蝕刻瞭鋸齒形邊沿的矩形寬縫。通過天線參數的倣真優化,最終實現瞭相對帶寬約95%、呎吋為0.27λ×0.17λ(λ為低頻點的自由空間波長)的超寬帶 P 波段小型化印刷天線。倣真結果錶明:天線的工作頻帶為300.5~848.8 MHz,帶內迴波損耗均在-10 dB以下,整箇頻段內天線的增益均在3 dBi以上,天線為全嚮輻射。該天線具有平麵結構,形狀簡單,易于共形的特徵。最後製作瞭天線樣件併進行瞭測試,測量結果與倣真結果吻閤較好。
설계료일충P파단소형화초관대천선。해천선채용미대선대오변형복사단원진행궤전,접지판상식각료거치형변연적구형관봉。통과천선삼수적방진우화,최종실현료상대대관약95%、척촌위0.27λ×0.17λ(λ위저빈점적자유공간파장)적초관대 P 파단소형화인쇄천선。방진결과표명:천선적공작빈대위300.5~848.8 MHz,대내회파손모균재-10 dB이하,정개빈단내천선적증익균재3 dBi이상,천선위전향복사。해천선구유평면결구,형상간단,역우공형적특정。최후제작료천선양건병진행료측시,측량결과여방진결과문합교호。
A miniaturized ultra-wideband antenna is designed in P band.The antenna is fed by a pentagon coupled feeding structure.An improved rectangular slot with saw-tooth edge is etched on the ground.The results of parameters show that the bandwidth of the designed antenna is 293.4~830.3 MHz with relative bandwidth 95% and the return loss is less than -10 dB.The size of the antenna is (is the wavelength of the lowest frequency).The average gain is over 3dBi in the operating range and the antenna is a kind of omni antenna.The antenna is a planar construction and is simple in shape and easy in conformation.A sample antenna is fabricated and tested.The experimental results are in good agreement with the simula-tion results.