集成鳍线为脊的新型圆锥及方锥TEM喇叭及其在目标瞬态特性中的应用  

Development of a New Type of Ultra-Wide Band Conical Antenna Ridged with a Novel Fin-Line Radiator and its Applications in Ultra-Wide Band Radar

作　　者：袁乃昌[1] 何建国[1] 刘克成[1] 尹家贤 粟毅[1] 陆仲良[1] 

机构地区：[1]国防科技大学电子技术系,长沙410073

出　　处：《电子学报》1999年第6期115-117,共3页Acta Electronica Sinica

摘　　要：发明了一种共面波导到鳍线的宽带过渡结，采用该结构方式馈电，研制出一种新型超宽带集成鳍线辐射器，把此种鳍线作为圆锥TEM喇叭或者方锥TEM喇叭的脊，成为超宽带（UWB）鳍线加脊的TEM喇叭，该种喇叭及其脊的形式均为国内外首创．实验结果显示了其高保真的宽带特性及增益特性．利用所研制的UWB天线建立起超宽带雷达（UWBR）实验系统，测量简单目标特性及涂层简单目标特性，证明了该种天线可用作实际的UWBR天线，为UWBR的研究提供了一种新式天线．A new type of conical ultra-wide hand(UWB) antennas ridged by a novel fin-line ed as radiator and receiver of the short pulse are developed, in which, a new UWB fed structure of coplanar waveguide to fin-line is ed initially.The experimental results show the characteristics of high fidelity, high gain compared with some common wide band antennas such as the biconical antennas, V-conical antennas, log-periodic antennas, and the other TEM horns. By using the developedUWB antenna, an ultra-wide band radar (UWBR) laboratory is set up and some simple square cylindrical conductor objects with and without anted absorbing material in its surface are ed to study the transient characteristics of the pulse reflection. The experimental results show that the developed antenna is a practical UWB antenna in the applications of UWBR.

关 键 词：超宽带天线 鳍线 TEM喇叭 天线 

分 类 号：TN822[电子电信—信息与通信工程]