电子胶囊的柔性天线技术研究进展  

Review of flexible antenna technology for electronic capsule

作　　者：王蒙军[1,2] 蔡露露[1] 郑宏兴[1] 杨泽[1] WANG Mengjun;CAI Lulu;ZHENG Hongxing;YANG Ze(School of Electronics and Information Engineering, Hebei University of Technology, Tianjin 300401, China;Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300072, China)

机构地区：[1]河北工业大学电子信息工程学院,天津300401 [2]天津市电子材料与器件重点实验室,天津300401

出　　处：《电子元件与材料》2017年第4期9-14,共6页Electronic Components And Materials

基　　金：国家自然科学基金面上项目资助(No.61671200);河北省高等学校高层次人才科学研究项目资助(No.GCC2014011)

摘　　要：天线是实现人体内部无线胶囊内窥镜系统与外界无线通信的重要部件。由于人体内部组织结构复杂,具有高介电常数、高损耗等特性,因此对天线有严格的要求。本文对用于胶囊的柔性天线各方面研究作了总结性探讨,首先介绍了实现柔性天线小型化的一些方法,如应用超材料、延长电流有效路径、加载容性或感性负载等;然后从天线带宽、辐射模式、人体安全等方面对柔性电子胶囊天线特性进行了总结。Antenna is an important part of wireless communication between implant capsule endoscope system and the outside world.Due to the complexity of the internal structure of the human body,with high dielectric constant,high loss and other characteristics,the antenna has strict requirements.This paper makes a summary on the research of flexible antenna for capsule.Some design methods of flexible antenna miniaturization are introduced firstly,such as application of metamaterials,extension of current path,loading capacitive or inductive load.Then the characteristics of flexible electronic capsule antenna are summarized from antenna bandwidth,radiation pattern,human security and other aspects.

关 键 词：电子胶囊 柔性天线 综述 天线小型化 带宽 辐射模式 人体比吸收率(SAR) 

分 类 号：TN826[电子电信—信息与通信工程]