Representation of Comprehensive Dynamic Characteristics of Electromagnetic Environment based on Fractal Theory

2022 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC) Pub Date : 2022-10-25 DOI:10.1109/ICSPCC55723.2022.9984453

Peiwei Gao, Yongfeng Zhi

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Abstract

The dynamic characteristics of electromagnetic environment are the comprehensive characteristics formed by the combination of various electromagnetic interference signals with different types, different quantities and variable parameters in the electromagnetic environment. Due to the time-varying of different electromagnetic interference signals, the combined electromagnetic environment signals will be non-linearly superimposed in time and energy domain, resulting in extremely intense dynamic characteristics of electromagnetic environment, resulting in the performance decline of electronic information systems in the electromagnetic environment area. Aiming at the above problems, a method of characterizing the dynamic characteristics of electromagnetic environment based on fractal theory is proposed, and the dynamic characteristics of electromagnetic environment are characterized by fractal dimension. Firstly, the representation model of regional electromagnetic environment is established. Secondly, the calculation method of fractal dimension to characterize the dynamic characteristics of electromagnetic environment is given. Finally, the simulation analysis shows that the comprehensive dynamic characteristics of electromagnetic environment can be characterized by fractal dimension.

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基于分形理论的电磁环境综合动态特性表征

电磁环境的动态特性是电磁环境中各种不同类型、不同数量、可变参数的电磁干扰信号组合而形成的综合特性。由于不同电磁干扰信号的时变特性，组合后的电磁环境信号会在时间域和能量域上非线性叠加，导致电磁环境的动态特性极其强烈，导致电子信息系统在电磁环境区域的性能下降。针对上述问题，提出了一种基于分形理论表征电磁环境动态特性的方法，并用分形维数来表征电磁环境的动态特性。首先，建立了区域电磁环境的表示模型;其次，给出了表征电磁环境动态特性的分形维数的计算方法。最后，仿真分析表明，电磁环境的综合动态特性可以用分形维数来表征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2022 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC)

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