便携式宽带电磁骚扰自动检测系统设计与实现  

Design and Implementation of a Portable Broadband Electromagnetic Disturbance Automatic Detection System

作　　者：刘亮 陈嘉兴 秦阳榛 谢红星 路宏敏[1] LIU Liang;CHEN Jia-xing;QIN Yang-zhen;XIE Hong-xing;LU Hong-min(School of Electronic Engineering,Xidian University,Xi'an 710071,China)

机构地区：[1]西安电子科技大学电子工程学院,西安710071

出　　处：《微波学报》2023年第2期62-67,共6页Journal of Microwaves

摘　　要：针对自然环境中电子信息设备和系统的电磁环境效应、感知与防护问题,研发了一套便携式宽带电磁骚扰自动检测系统,实现了电磁骚扰强度、频谱和方位的自动测量。系统由全自动信号采集平台和数据分析处理平台两部分构成,基于μC/OS-Ⅲ嵌入式操作系统,采用LabVIEW软件控制上位机。通过交互式界面键入命令来控制频谱仪读取并显示测量数据,同时系统自动控制射频开关、云台等硬件设备,实现测量姿态的闭环控制与数据采集以及天线的最佳姿态自动调控,具有全方位扫描功能。实验结果表明,系统测量频率范围300 MHz~3.5 GHz,电场强度的相对误差均小于6.2%,方位角误差小于1.5°。该系统荣获了第十六届全国研究生电子设计竞赛西北赛区团队一等奖。To solve the problems of electromagnetic(EM)environment effect,perception and protection for electronic information equipment and systems in natural environment,a portable broadband EM disturbance signal automatic detection system is developed,which realizes the automatic measurement of EM disturbance intensity,spectrum and orientation.The system consists of automatic signal acquisition platform and data analysis and processing platform.It is based onμC/OS-Ⅲembedded operating system and utilizes LabVIEW software to control the upper computer.Users can control the spectrum analyzer to read and display the measurement data by typing the command through the interactive interface.At the same time,the system automatically controls the RF switch,the Pan-tilt turntable and other hardwares to realize the closed-loop control and data acquisition of the measurement position,as well as the automatic regulation of the optimal position of the antenna.It has the function of omni-directional scanning.The experimental results show that the measurement frequency range of the system is 300 MHz to 3.5 GHz,the relative value of field strength error is less than 6.2%,and the azimuth error is less than 1.5°.The system wins the first prize of the northwest division of the 16th National Electronic Design Team Competition for Graduate Students.

关 键 词：感知 电磁环境 智能检测 宽带测量 射频开关 

分 类 号：TN03[电子电信—物理电子学] TP274[自动化与计算机技术—检测技术与自动化装置]