Interference Prediction Method of Communication Equipment Under Complex Electromagnetic Environment

LI Wei; WEI Guanghui; PAN Xiaodong; WANG Yaping; WAN Haojiang; SUN Shuqing

doi:10.11999/JEIT170107

Volume 39 Issue 11

Nov. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(11): 2782-2789

LI Wei, WEI Guanghui, PAN Xiaodong, WANG Yaping, WAN Haojiang, SUN Shuqing. Interference Prediction Method of Communication Equipment Under Complex Electromagnetic Environment[J]. Journal of Electronics & Information Technology, 2017, 39(11): 2782-2789. doi: 10.11999/JEIT170107

Citation:

LI Wei, WEI Guanghui, PAN Xiaodong, WANG Yaping, WAN Haojiang, SUN Shuqing. Interference Prediction Method of Communication Equipment Under Complex Electromagnetic Environment[J]. Journal of Electronics & Information Technology, 2017, 39(11): 2782-2789. doi: 10.11999/JEIT170107

Citation:

LI Wei, WEI Guanghui, PAN Xiaodong, WANG Yaping, WAN Haojiang, SUN Shuqing. Interference Prediction Method of Communication Equipment Under Complex Electromagnetic Environment[J]. Journal of Electronics & Information Technology, 2017, 39(11): 2782-2789. doi: 10.11999/JEIT170107

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Interference Prediction Method of Communication Equipment Under Complex Electromagnetic Environment

doi: 10.11999/JEIT170107 cstr: 32379.14.JEIT170107

1.
(National Key Laboratory of Electromagnetic Environment Effects, College of Ordnance Engineering, Shijiazhuang 050003, China)
2.
(Unit 61469 of the PLA, Shijiazhuang 050000, China)

Funds:

The National Natural Science Foundation of China (61372040)

Received Date: 2017-02-10
Rev Recd Date: 2017-04-24
Publish Date: 2017-11-19

Abstract

Abstract

The communication equipment effect mechanism under in-band electromagnetic interference is studied in this paper. Two electromagnetic interference prediction models are established. One model is based on the assumption that in-band interference is sensitive to the amplitude of field strength, and the other is based on the assumption that in-band interference is sensitive to the average power. The sensitive parameter can be distinguished by sine and AM test, and the Equipment Under Test (EUT) interference is predicted according to different models. The sine and AM continuous wave test, in-band dual-frequency test, in-band triple-frequency test are conducted with two typical VHF radios as test objects. Experiment results show that EUT1 is sensitive to the amplitude of field strength, and the model results are slightly greater than 1, and EUT2 is sensitive to the average power. The model results are all approximate 1. The prediction method of in-band multi-frequency electromagnetic interference is modified and improved by the test results. The proposed prediction method is able to forecast the communication equipment interference effectively under the in-band multi-frequency electromagnetic environment.
- Complex electromagnetic environment,
- Effect prediction,
- Electromagnetic interference,
- In-band,
- Multi-frequency

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References(21)

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