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PCB高频辐射干扰预估方法对比研究

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Keywords: 电磁干扰,高频电路,机理诊断,特性预估

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Abstract:

针对高频电路辐射干扰近场测试预估方法较多,目前没有统一的测试方法和要求,据此对比研究了基于电流驱动模型辐射预估方法和基于射频电流参数测量的辐射预估方法,并给出了相应的理论分析和实验数据.其结果表明两种方法的预估结果与电波暗室测量结果吻合较好,但在不同频段两种方法的估计精度不同,为进一步改进辐射电磁干扰预估方法提供了依据.

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