首页> 外文会议>Electrical Insulation Conference, 2009. EIC 2009 >Simulation on time delay estimation of EM waves emitted from PD using constrained interpolation profile (CIP) method and cross-correlation method based on in-place fast Haar wavelet transform
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Simulation on time delay estimation of EM waves emitted from PD using constrained interpolation profile (CIP) method and cross-correlation method based on in-place fast Haar wavelet transform

机译:局域快速Haar小波变换的约束插值轮廓(CIP)方法和互相关方法模拟PD发射EM波的时延估计

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Measurement of partial discharge (PD) has been used to assess the condition of insulation material used in electric power equipment. Analysis of the electromagnetic (EM) waves emitted from PD is useful from the viewpoint of noncontact diagnosis because PD emits wideband EM waves. The EM waves emitted from PD is numerically visualized using the constrained interpolation profile (CIP) method and the time delay between the EM waves measured at different positions is estimated using the cross-correlation (CC) method based on the in-place fast Haar wavelet transform (IP-FHWT).
机译:局部放电(PD)的测量已用于评估电力设备中使用的绝缘材料的状况。从非接触式诊断的角度来看,从PD发射的电磁(EM)波的分析很有用,因为PD会发射宽带EM波。使用约束内插轮廓(CIP)方法对从PD发射的EM波进行数值可视化,并基于就地快速Haar小波使用互相关(CC)方法估算在不同位置测量的EM波之间的时间延迟转换(IP-FHWT)。

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