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三维正交线圈磁通信信道稳定性分析

Stability analysis of three-dimensional orthogonal coil magnetic communication channel
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摘要 针对无线磁感应通信系统中因接收端线圈姿态变化而导致通信不稳定的问题,提出接收端采用三个相互正交的线圈的方法,以弥补单个线圈通信波动性较大的缺点。首先建立了单个线圈和全向线圈的数学模型,对磁场大小和接收端感应电压进行规律分析,最后通过仿真和试验验证了接收线圈为三维正交线圈的方法可行性。仿真和试验结果表明,三维正交线圈作为接收线圈可以有效提高无线磁感应通信系统中的感应电压值,并提升通信信道稳定性,波动性减小了95%。 In order to solve the problem of unstable communication in wireless magnetic induction communication system due to the change of the attitude of the receiving coil,this paper proposes a method of using three mutually orthogonal coils at the receiving end to make up for the weakness of the communication fluctuation of a single coil.Firstly,the mathematical model of single coil and omnidirectional coil is established,and the law of magnetic field size and induced voltage at the receiving end is analyzed.Finally,the feasibility of the method of receiving coil as three-dimensional orthogonal coil is verified by simulation and experiment.The simulation and experimental results show that the three-dimensional orthogonal coil as the receiving coil can effectively improve the induced voltage value in the wireless magnetic induction communication system,improve the stability of the communication channel,and reduce the volatility by 95%.
作者 韩滨澧 张晓明 李欣甜 Han Binli;Zhang Xiaoming;Li Xintian(Natioanl Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051,China;Key Laboratory of Instrumentation Science&Dynamic Measure,Ministry of Education,North University of China,Taiyuan 030051,China)
出处 《电子测量技术》 北大核心 2023年第23期175-180,共6页 Electronic Measurement Technology
基金 国家自然科学基金(61873247)项目资助
关键词 磁感应通信 接收线圈 三维正交线圈 magnetic induction communication receiving coil three-dimension alorthogonal coil
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