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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Lianlei Lin,Wensheng Su,Shouda Jiang.Modeling of Electromagnetic Wave Propagation and Its Application in Virtual Test[J].Journal of Harbin Institute Of Technology(New Series),2017,24(2):1-9.DOI:10.11916/j.issn.1005-9113.15292.
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Modeling of Electromagnetic Wave Propagation and Its Application in Virtual Test
Author NameAffiliation
Lianlei Lin Department of Automatic Test and Control, Harbin Institute of Technology, Harbin 15001, China 
Wensheng Su Department of Automatic Test and Control, Harbin Institute of Technology, Harbin 15001, China 
Shouda Jiang Department of Automatic Test and Control, Harbin Institute of Technology, Harbin 15001, China 
Abstract:
With the development of virtual test, the computation of the effect of different weather conditions on electromagnetic wave propagation is required in many simulation systems. Firstly, this paper presents a unique point of view for computing the electromagnetic wave attenuation ratio under different weather conditions by means of an independent electromagnetic wave propagation component that can be directly implemented in virtual test, and is easy to configure and easy to reuse. We present an analysis of the principles of electromagnetic wave propagation and the algorithms designed for realization of various propagation models within the electromagnetic wave propagation component. Secondly, this paper presents a use-case analysis and outlines the design of the component, verifies the developed models under various weather conditions, and obtains equivalent values as those obtained theoretically. Finally, we build a virtual test system, verify the system in different weather conditions, and again obtain equivalent values to those obtained theoretically. The algorithms in the electromagnetic wave propagation component are developed in the C language, which substantially improves the computational speed, and meets the real-time requirements of the virtual testing platform.
Key words:  electromagnetic wave propagation  modeling and simulation  virtual test
DOI:10.11916/j.issn.1005-9113.15292
Clc Number:TP202.7
Fund:
Descriptions in Chinese:
  

电磁波传输建模及在虚拟试验中的应用

林连雷,苏文圣,姜守达

(哈尔滨工业大学 自动化测试与控制系)

创新点说明:

本文主要针对用于虚拟试验的电磁波传输模型,研究了多类典型天气下的电磁波传输模型,并将构建的模型用于雷达制导导弹虚拟试验中,通过试验验证了该模型的有效性。主要创新点如下:

1)为满足虚拟试验的实时性要求,采用快速计算方法,在满足计算精度的前提下实现了电磁波传输的快速计算;

2)将电磁波传输模型封装为独立的虚拟试验资源,该资源具有良好的通用性,可用于各类涉及电磁波传输的虚拟试验中;

3)通过HIT-TENA体系结构构建了一个虚拟试验系统,通过典型天气下的多个虚拟试验,验证了本文开发的电磁波传输模型的有效性。

研究目的

虚拟试验技术是近年来一种新兴的试验技术,主要用于对武器装备进行复杂环境条件下的试验验证,评价其在复杂环境下的作战效能等。虚拟试验离不开虚拟环境以及相应的环境效应,本文针对一种常用的环境效应模型——电磁波传输效应模型展开研究。电磁波传输模型常用于雷达类的虚拟试验中。本文针对虚拟试验对模型实时性和通用性的要求,研究了电磁波传输模型的快速计算方法,并将其封装为具有独立功能的试验资源。

研究方法

1)分析了典型天气下的电磁波传输模型,针对虚拟试验实时性的要求,针对每种模型提出了基于C语言的快速计算步骤;

2)利用UML建模语言,设计了运行于HIT-TENA平台上的具有通用性的电磁波传输资源;

3)利用一个雷达制导导弹攻击目标的虚拟试验验证了本文开发的电磁波传输资源有效性。

结果

1)通过跟理论模型的传输曲线进行对比,证明了本文开发的电磁波传输模型的计算精度;

2)通过一个虚拟试验验证了本文开发的电磁波传输效应资源在虚拟试验中的应用有效性。

结论

在本文中,我们针对晴天、雾天、雨天、雪天共4种典型天气下的电磁波传输展开研究,通过快速计算方法构建了满足虚拟试验实时性要求的电磁波传输模型。然后,开发了运行了HIT-TENA虚拟试验平台上的电磁波传输效应组件,该组件不但能计算不同天气条件下的电磁波能量衰减,而且在HIT-TENA平台下实现在其他试验系统中的重用。

关键词:电磁波传输,建模与仿真,虚拟试验

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