基于多频载波相位的隧道内定位实验  

Research on Positioning Method in Tunnel Based on Multi-Frequency Carrier Phase

作　　者：张晓光 李岳健 周恒 王刚 李露 ZHANG Xiaoguang;LI Yuejian;ZHOU Heng;WANG Gang;LI Lu(School of Information and Control Engineering,China University of Mining and Technology,Xuzhou 221116,Jiangsu,China)

机构地区：[1]中国矿业大学信息与控制工程学院,江苏徐州221116

出　　处：《实验室研究与探索》2023年第2期11-16,20,共7页Research and Exploration In Laboratory

基　　金：国家自然科学基金项目(51804304);教育部新工科研究与实践项目(E-DZYQ20201416);教育部产学合作协同育人项目(202002177005,202002288061);江苏省高教学会课题(2021-C158);煤炭行业教育研究课题(2021MXJG146);中国矿业大学教改项目(2021YJSJG08,2021YB20,2018YB10)。

摘　　要：针对隧道等复杂作业环境导致定位精度差对作业人员安全隐患提出的挑战,设计了一种基于多频载波相位的隧道移动目标定位方法。实验融合了通信电子电路、数字信号处理、通信原理等学科相关知识,使学生了解隧道标签阵列定位系统模型,学习MFDAE空域滤波和WMMSENS多频载波相位测距算法,抑制隧道内密集多径干扰和解决相位模糊问题,掌握移动目标定位实测场景规划,培养学生软硬件设计思维,通过实验能直观得到最优结果,提高学生的实践能力和创新能力。Based on the problem that poor positioning accuracy caused by complex working environments such as tunnels poses a security risk to operators,a tunnel mobile target positioning method based on multi frequency carrier phase is proposed.The experiment integrates the relevant knowledge of communication electronic circuits,digital signal processing,communication principles and other disciplines,so that students can understand the model of the tunnel tag array positioning system,learn MFDAE spatial filtering and WMMSENS multi frequency carrier phase ranging algorithm to suppress dense multipath interference in the tunnel and solve the phase ambiguity problem,master the planning of mobile target positioning actual scene.It can cultivate students'software and hardware design thinking,and then can intuitively obtain the optimal results through the experiment,improve themselves practical ability and innovation ability.

关 键 词：隧道内定位 空域滤波 多频载波 相位测距 

分 类 号：P228[天文地球—大地测量学与测量工程]