一种用于WSN的微小型UWB雷达天线设计  

Design of a UWB radar antenna with a miniature configuration for WSN applications

作　　者：窦硕鹏 潘仲明[1] 张卓航 DOU Shuopeng;PAN Zhongming;ZHANG Zhuohang(College of Mechatronics Engineering and Automation,National University of Defense Technology,Changsha Hunan 410073,China)

机构地区：[1]国防科学技术大学机电工程与自动化学院,湖南长沙410073

出　　处：《太赫兹科学与电子信息学报》2017年第5期818-822,共5页Journal of Terahertz Science and Electronic Information Technology

摘　　要：超宽带雷达不受雨、雪、声、风等自然环境的干扰,可用于无线传感器网络并全天候工作;在通信领域,超宽带雷达可避免多径干扰问题,解决无线传感器网络在复杂多径环境中的应用局限问题。故超宽带雷达可以与无线传感器网络形成天然的结合。为满足无线传感器网络低功耗、体积小的要求,设计了一种微小型超宽带雷达天线。该天线为共面波导方式馈电的贴片式微带天线。仿真结果表明,天线具有体积小、带宽广(1.78~2.38 GHz)、全向性好的优点,满足无线传感器网络应用需求,并可避免与已用无线通信频段的干扰,具有广阔的应用前景。Ultra Wide Band(UWB)radar can avoid interference from snow,sound,wind and other natural environments.So it can be used in wireless sensor networks and work all day without considering weather.Ultra-wideband radar has the ability to avoid multipath interference problems in communications.Therefore,ultra-wideband can be combined with wireless sensor networks.To meet the requirements of wireless sensor networks,a ultra-wideband radar antenna with small size is proposed.The proposed antenna is a microstrip antenna fed by a Coplanar Waveguide(CPW).The simulated results show that the antenna has many advantages,including small size,wide-bandwidth(1.78-2.38 GHz),and good omni-directivity.The antenna can avoid interference of the existing wireless communication bands,and shows broad application prospects.

关 键 词：超宽带雷达 无线传感器网络 微带天线 

分 类 号：TN957.2[电子电信—信号与信息处理]