【正文】
24mm為最優(yōu)的設計尺寸,在這尺寸下的盤錐天線的輸入阻抗、立體方向圖、E面方向圖、H面方向圖、電壓駐波比如圖(22)所示。該天線在218GHz的頻帶范圍內(nèi)具有良好的駐波特性;H面輻射方向具有全向性。盤錐天線的結構簡單,易于加工制照,可用于與寬帶梳狀波發(fā)生器組成電場輻射發(fā)射測試項目的比對裝置。 (a) 輸入阻抗 (b) 立體方向圖(c) E面方向圖 (d) H面方向圖(e) 電壓駐波比圖(22)致謝本次設計的完成是在余燕忠老師的細心指導下進行的,在設計過程中遇到問題時余老師不辭辛苦的講解才使得我的設計順利的進行。從設計的選題到資料的搜集直至最后設計的修改的整個過程中,花費了余老師很多的寶貴時間和精力,在此向余老師表示衷心地感謝!參考文獻 [1] 張倩,劉運林,[J].電訊技術,2010,11(6):231234.[2] 王琪,阮成禮,[J].電波學報,2003,12(2):4649.[3] 楊恩耀,[J].電子學報,1996,21(12):225231.[4] 張春青,王均宏,[J].濟南大學學報,2010, 24(3):324326.[5] 謝擁軍,王鵬, HFSS基礎及應用[M].西安電子科技大學出版社,2007,8.[6] 汪漪,徐勤,[J].雷達與對抗,2005, (1):2527.[7] 宋掙,[M].西安電子科技大學出版社,.[8] [J].微計算機信息,2008,25(6):212214.[9] 汪梅芳,肖金祥,[J].微計算機信息,2008,24(11):266268.[10] 莊麗華,宦娟,劉鎮(zhèn). 基于HFSS線天線輻射特性的仿真研究[J].電子電路,2009,22(3):5255.[11] 張文梅,陳雪,[J].電波科學學報,2008,23(2):335339.Analysis and research of Ultrawideband dish cone antenna characteristicsCollege of Physics and Information EngineeringElectronic information science and technology major 070303012 WANG JianfeiYU Yanzhong associate professorAbstract:In recent years, with the rapid development of munications, ultrawideband munications technology with its low power consumption, high bandwidth and low plexity advantages and highly attention. Ultra broadband antenna has bee a current antenna field research hotspot. Dish by a conductor cone antenna disc and a conductor, so its conical constitute a simple structure。 Dish cone antenna is a vertical polarization omnidirectional antenna, with very wide working frequency, and to all good uniformity. Can be used with broadband b wave generator radiate emission testing project of the electric field than device.Key words:ultrawideband;dish cone antenna;omnidirectional antenna25