Relativity of Electromagnetic Environment and Down-to-earth Complexity Evaluation

WANG Jian; ZHANG Jiangming; WANG Rui; LI Xu

doi:10.11999/JEIT150947

Volume 38 Issue 5

May 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(5): 1249-1255

WANG Jian, ZHANG Jiangming, WANG Rui, LI Xu. Relativity of Electromagnetic Environment and Down-to-earth Complexity Evaluation[J]. Journal of Electronics & Information Technology, 2016, 38(5): 1249-1255. doi: 10.11999/JEIT150947

Citation:

WANG Jian, ZHANG Jiangming, WANG Rui, LI Xu. Relativity of Electromagnetic Environment and Down-to-earth Complexity Evaluation[J]. Journal of Electronics & Information Technology, 2016, 38(5): 1249-1255. doi: 10.11999/JEIT150947

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Relativity of Electromagnetic Environment and Down-to-earth Complexity Evaluation

doi: 10.11999/JEIT150947

Funds:

Independent Innovation Major Project Foundation of Qingdao (Qingkechuang14-6-1-8-ZDZX), The National 863 Program of China (2015AA7124068A), The National 973 Program of China (6133190102)

Received Date: 2015-08-19
Rev Recd Date: 2015-12-25
Publish Date: 2016-05-19

Abstract

Abstract

To improve the objectivity of evaluation for electromagnetic environment complexity and its influence on electronic information system, taking communication system as an example, the springhead characters of electromagnetic environment complexity, namely signal to interference and noise ratio, is analyzed. The mapping relation between electromagnetic environment grades and the performance, for different systems including 2FSK, BPSK, QPSK, MSK, and QAM is reconstructed. By putting forward electromagnetic environment margin and signal margin, the atlas of electromagnetic environment complexity for typical data communication system is provided. The atlas provides a direct conversion way from signal intensity, interference and noise intensity to the complexity of the electromagnetic environment. Based on this, polarization information extraction and real time spectrum analysis technique for electronic information system are researched. Then, the system composition for measuring and evaluating electromagnetic environment is presented and the operating principle is also analyzed. Based on computer simulation technique, different effects of four communication systems are given: the electromagnetic environment complexity for communication system using MSK and vertical monopole is III grade; that for 64-QAM and horizontal dipole is V grade; that for QPSK and horn antenna is IV grade; that for 2FSK and aperture antenna is II grade. Simulation results indicate that electromagnetic environment component for different communication systems can be effectively obtained by the above-mentioned measuring system, and electromagnetic environment has different effects on the different communication systems just as electromagnetism complexities for different targets are distinct.
- Electromagnetic environment,
- Atlas of electromagnetic environment complexity,
- Springhead,
- Signal to interference and noise ratio,
- System design

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References(37)

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