Humanbody-metal ESD Model Current Waveform Denoising

CHEN Xiang1; WEI Ming1; WANG Lei1; YANG Nan1; WANG Xiang-dong2

doi:10.13296/j.1001-1609.hva.2010.08.017

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Humanbody-metal ESD Model Current Waveform Denoising

更新时间：2025-04-26

- Humanbody-metal ESD Model Current Waveform Denoising
- High VoltageApparatus Vol. 46, Issue 8, Pages: 14-17(2010)
- 作者机构：
  
  1. 军械工程学院静电与电磁防护研究所
  2. 中国西安卫星测控中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.08.017
  CLC： TM862
- Published：2010
- 稿件说明：
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[1]陈翔,魏明,王雷,杨楠,王向东.人体-金属模型静电放电电流波形小波去噪[J].高压电器,2010,46(08):14-17.

CHEN Xiang1, WEI Ming1, WANG Lei1, et al. Humanbody-metal ESD Model Current Waveform Denoising[J]. High voltageapparatus, 2010, 46(8): 14-17.
[1]陈翔,魏明,王雷,杨楠,王向东.人体-金属模型静电放电电流波形小波去噪[J].高压电器,2010,46(08):14-17. DOI： 10.13296/j.1001-1609.hva.2010.08.017.

CHEN Xiang1, WEI Ming1, WANG Lei1, et al. Humanbody-metal ESD Model Current Waveform Denoising[J]. High voltageapparatus, 2010, 46(8): 14-17. DOI： 10.13296/j.1001-1609.hva.2010.08.017.

摘要

为提高静电放电能量耦合模型的精度

使用小波收缩去噪法对采集到的人体-金属模型静电放电电流波形进行处理。使用脉冲函数仿真人体-金属模型的静电放电电流波形

并叠加高斯白噪声模拟真实放电情况。采用去噪后信号的信噪比作为去噪效果优劣的依据

分析得知

分解层数选取对去噪效果有重大影响。根据仿真得出的结论指导对实测电流波形的去噪

结果表明

去噪效果良好。

Abstract

The ESD current waveform of humanbody-metal model is processed using the wavelet shrinkage denoising method for the accuracy improvement of ESD energy coupled model.The ESD current waveform of humanbody-metal model is simulated with the pulse function

and real ESD state is simulated via adding Gaussian white noise to the function.The denoising effect is evaluated with SNR of de-noised signal

and the result suggests that denoising effect is influenced significantly by decomposition level.The measured ESD current waveform is denoised according to the conclusion from simulation

and good result is obtained.

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