EMC Laboratory of Beijing Jiaotong University

Contents目录

EMC Standards and Specifications电磁兼容标准规范 High-Speed Railway Electromagnetic Environment Modeling高速铁路电磁环境建模 EMC Testing and Measurement电磁兼容测试与测量 EMC Optimization for EMUs and Maglev Trains动车组和中高速磁悬浮电磁兼容优化 Onsite EMI Fault Reproduction and Diagnosis现场电磁干扰故障再现与诊断 Radio-Wave Propagation and Interference Mitigation通信、导航系统电波传播与抗干扰

Research scope研究范围

The laboratory covers EMC standards, railway electromagnetic environment modeling, testing and measurement, vehicle-level optimization, onsite EMI fault reproduction, and radio-wave propagation / anti-interference technologies.实验室研究范围覆盖电磁兼容标准规范、高速铁路电磁环境建模、测试与测量、整车电磁兼容优化、现场干扰故障再现、电波传播与抗干扰等方向。

EMC Standards and Specifications电磁兼容标准规范

International railway EMC standards must be adapted to the complex electromagnetic environments and operating conditions of high-speed railways. Drawing on extensive test data, the laboratory has conducted research into EMC test methods and related standards for high-speed railway train-control equipment. It has led or contributed to the development and revision of multiple Chinese national and industry EMC standards and developed dedicated design and testing specifications for onboard train-control equipment.由于高速铁路电磁环境和运行条件复杂，国际通用铁路电磁兼容标准需要结合高速铁路应用场景进行适应性研究。实验室基于大量测试数据，开展高速铁路列控装备电磁兼容测试方法与标准研究，主持或参与多项中国国家标准和行业标准的制定修订，并形成面向高铁列控车载设备的电磁兼容设计与测试规范。

High-Speed Railway Electromagnetic Environment Modeling高速铁路电磁环境建模

The laboratory studies complex electromagnetic environments of high-speed railways, characterizes disturbance sources, and develops multi-parameter methods for evaluating EMI effects. It focuses on pantograph-catenary contact-loss discharge, studies its mechanisms and relationship with speed, develops simulation and test equipment, and builds dynamic prediction methods based on multiscale coupling and neural networks.实验室围绕高速铁路复杂电磁环境开展研究，系统揭示系统内电磁骚扰源特性，提出多统计参量电磁干扰效应联合评估方法。针对弓网离线放电骚扰，深入研究其产生机理及其与列车运行速度的关系，研制模拟试验装置，并进一步建立基于多尺度耦合和神经网络的高速铁路电磁环境动态预测模型。

EMC Testing and Measurement电磁兼容测试与测量

The laboratory conducts theoretical and applied research on EMC measurement methods, forming a framework covering theoretical modeling, experimental testing, onsite verification, and engineering practice. It has more than 50 experimental systems and instruments, including anechoic, reverberation, and immunity-testing chambers, and performs EMC testing, environment assessment, immunity verification, and interference-source analysis.实验室长期开展电磁兼容测量方法的理论与工程应用研究，形成涵盖理论建模、实验测试、现场验证和工程应用的完整体系。实验室拥有50余套实验系统及测试设备，建有电波暗室、混响室、抗扰度室等平台，具备电磁兼容测试、电磁环境评估、抗扰度验证和干扰源分析能力。

EMC Optimization for EMUs and Maglev Trains动车组和中高速磁悬浮电磁兼容优化

This research addresses EMU system-level EMC optimization using prediction results and test data from modular EMUs. By optimizing the high-frequency impedance of grounding devices, it mitigates interference affecting onboard train-control equipment and reduces EMI-triggered failure rates. The results have been applied to CRH2 EMUs, China Standard EMUs, Guangzhou-Shenzhen-Hong Kong high-speed EMUs, cold-resistant EMUs, and also support medium- and high-speed maglev trains.该方向面向动车组整车电磁兼容优化难题，基于模块化动车组电磁兼容预测分析结果和试验数据，通过优化动车组接地装置高频阻抗特性，降低列控车载设备电磁干扰和故障率。成果已应用于CRH2型动车组、中国标准动车组、广深港高速动车组、高寒动车组等多型列车，并支撑中高速磁悬浮列车电磁兼容优化。

Onsite EMI Fault Reproduction and Diagnosis现场电磁干扰故障再现与诊断

Troubleshooting, localization, and characterization of onsite EMI sources are essential for rail transit systems. The team developed an EMI monitoring system for onboard signaling systems, enabling real-time monitoring and early warning. It has also proposed precise EMI reconstruction methods and developed a configurable fault-reproduction platform to support troubleshooting and verification of mitigation measures.现场电磁干扰源排查、定位和特性研究是解决轨道交通现场干扰问题的重要手段。团队研制车载信号系统电磁干扰监测系统，实现对高速车载信号系统干扰的实时监测和预警，并提出高速铁路电磁干扰信号精准重构方法，研制参数可控的干扰故障再现平台，为故障排查和抗干扰措施验证提供支撑。

Radio-Wave Propagation and Interference Mitigation通信、导航系统电波传播与抗干扰

The team studies train-control signal propagation channels in high-speed railway systems and proposes a three-wire channel model. It examines secondary radiation fields on train bodies, develops channel simulation models, and, with Aalto University, proposes a space-air-ground multimode communication architecture combining 4G, 5G, satellite communications, and private networks. It also develops antenna arrays and adaptive processing for BeiDou receiver anti-interference.团队研究高速铁路列控信号传输信道传播特性，提出适用于高速铁路列控信号的三线模型，研究高速列车体二次辐射场对信号传播的影响，并建立列控信号传播信道仿真模型。与芬兰阿尔托大学合作提出4G/5G/卫星通信/专网通信相结合的空天一体多模通信方案，并面向北斗接收机抗干扰研制天线阵列与自适应处理技术。

Research Areas研究方向