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基于独立分量测量方法的电磁兼容解决方案

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Keywords: 独立分量测量,噪声诊断,噪声抑制,电磁干扰噪声

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Abstract:

电磁干扰(EMI)噪声发射一直是电磁兼容(EMC)学科面临的重要问题,而EMI电磁干扰噪声的测量将直接影响到噪声抑制的结果.提出了基于独立分量测量方法的EMI电磁干扰噪声分析和抑制解决方案,介绍了独立分量测量方法的原理和EMI噪声处理软件平台,通过对传导噪声进行特征提取和模态分析,为噪声抑制及电磁兼容综合解决方案提供必要信息.对开关磁阻电机构成的风机调速系统进行传导电磁兼容测试,并对试验数据进行了对比和分析,结果表明该方法能有效分离出EMI噪声中的各模态分量.

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