Calculation of Near-Field of Large-Scale Electromagnetic Pulse Simulator Based on Simulation and Neural Network

ZHANG Jin-hao; ZHOU Heng; ZHANG Shou-long; JIANG Ting-yong; WANG Sheng-tao; LIU Zhen

doi:10.12263/DZXB.20211137

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Calculation of Near-Field of Large-Scale Electromagnetic Pulse Simulator Based on Simulation and Neural Network

PAPERS | 更新时间：2025-12-08

- Calculation of Near-Field of Large-Scale Electromagnetic Pulse Simulator Based on Simulation and Neural Network
- ACTA ELECTRONICA SINICA Vol. 51, Issue 3, Pages: 712-719(2023)
- 作者机构：
  
  西北核技术研究所，陕西西安 710069
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20211137
  CLC： TM835;TM931
- Received：24 August 2021，
  
  Revised：2022-11-02，
  
  Published：25 March 2023
- 稿件说明：
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张金颢,周恒,张守龙等.基于仿真及神经网络的大型电磁脉冲模拟器近区场计算[J].电子学报,2023,51(03):712-719.

ZHANG Jin-hao,ZHOU Heng,ZHANG Shou-long,et al.Calculation of Near-Field of Large-Scale Electromagnetic Pulse Simulator Based on Simulation and Neural Network[J].ACTA ELECTRONICA SINICA,2023,51(03):712-719.
张金颢,周恒,张守龙等.基于仿真及神经网络的大型电磁脉冲模拟器近区场计算[J].电子学报,2023,51(03):712-719. DOI： 10.12263/DZXB.20211137.

ZHANG Jin-hao,ZHOU Heng,ZHANG Shou-long,et al.Calculation of Near-Field of Large-Scale Electromagnetic Pulse Simulator Based on Simulation and Neural Network[J].ACTA ELECTRONICA SINICA,2023,51(03):712-719. DOI： 10.12263/DZXB.20211137.

摘要

本文针对大型电磁脉冲模拟器试验区域电场分布测量，设计了一种基于传递函数的近区场波形预估方法.该方法使用全波仿真获取初始传递函数，研究了基于频域数据的神经网络训练方法，建立了可以计算特定区域任意测点传递函数的神经网络模型.利用两套测量系统同时进行测量验证，结果表明：在40 m×40 m×10 m的范围内，该计算方法可以基于单一测点的实测结果计算任意点的电场波形，且基于该方法计算的电场波形与实测波形主波形幅值差异均小于3%，实测验证波形结果与预估结果基本一致.文中方法在满足试验区域为线性时不变（Linear Time Invariant， LTI）系统的情况下，可以应用于大型电磁脉冲模拟器的近区场快速预估计算.

Abstract

Aiming at the large-scale electromagnetic pulse simulator

this paper designs a near-field waveform calculation method based on the transfer function. This paper uses full-wave simulation to obtain the initial transfer function

studies the neural network training method based on frequency domain data

and establishes a transfer function neural network model that can calculate any measurement point in a specific area. The results of simultaneous measurement using two sets of measurement systems show that within a range of 40 m×40 m×10 m

this calculation method can calculate the electric field waveform at any point based on the actual measurement result of a single measurement point. The difference between the electric field waveform calculated based on this method and the measured waveform amplitude is less than 3%

so the measured verification results are consistent with the theory. In the case where the method meets the area as a linear time invariant system

the method can be applied to a near-field fast calculation of a large-scale electromagnetic pulse simulator.

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references

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