Numerical Simulation on the Electromagnetic Radiation Performance of Enclosure with Apertures Excited by PCB

LIU En-bo; DU Ping-an; ZHOU Yuan; REN Dan

doi:10.3969/j.issn.0372-2112.2015.03.030

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Numerical Simulation on the Electromagnetic Radiation Performance of Enclosure with Apertures Excited by PCB

更新时间：2025-07-16

- Numerical Simulation on the Electromagnetic Radiation Performance of Enclosure with Apertures Excited by PCB
- Acta Electronica Sinica Vol. 43, Issue 3, Pages: 611-614(2015)
- 作者机构：
  
  1. 电子科技大学机械电子工程学院,四川,成都,611731
  2. 中电24所,重庆,400060
  3. 电子科技大学机械电子工程学院,四川,成都,611731
  4. 中电24所,重庆,400060
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.51175068)
- DOI：10.3969/j.issn.0372-2112.2015.03.030
  CLC： TM153
- Published：2015
- 稿件说明：
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LIU En-bo, DU Ping-an, ZHOU Yuan, et al. Numerical Simulation on the Electromagnetic Radiation Performance of Enclosure with Apertures Excited by PCB[J]. Acta Electronica Sinica, 2015, 43(3): 611-614.
DOI：

LIU En-bo, DU Ping-an, ZHOU Yuan, et al. Numerical Simulation on the Electromagnetic Radiation Performance of Enclosure with Apertures Excited by PCB[J]. Acta Electronica Sinica, 2015, 43(3): 611-614. DOI： 10.3969/j.issn.0372-2112.2015.03.030.

摘要

对电子设备进行电磁辐射特性的研究

不仅要考虑机箱表面孔缝的电磁泄露

更要考虑机箱内部干扰源的电磁辐射特性.本文提出一种将PCB的电磁辐射能量导入机箱内部作为干扰源的方法

用于计算电子设备的整机电磁辐射特性

并与耦合微带线作为内部干扰源的方法进行对比.基于本文提出的将PCB作为干扰源的方法

研究了开孔尺寸、开孔类型、开孔位置对电子设备电磁辐射特性的影响

所总结的规律可为电子设备的工程设计提供一定参考标准.

Abstract

In order to study the electromagnetic radiation performance of enclosure with apertures

not only the electromagnetic leakage caused by apertures

but also the electromagnetic radiation performance of PCB should be considered.In this paper

a new method of importing electromagnetic energy of PCB into enclosures as the interference source was developed and compared with the coupling microstrip method.Based on the method considering PCB as the interference source

the relationship between the aperture size

type and location with the electromagnetic radiation performance were intensively studied.Some conclusions were obtained and they can be helpful guidelines for electronic equipment design.

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