水下电场天线横向振动及其诱发电磁噪声研究

doi:10.3969/j.issn.1000-1093.2014.07.019

兵工学报 ›› 2014, Vol. 35 ›› Issue (7): 1060-1064.doi: 10.3969/j.issn.1000-1093.2014.07.019

水下电场天线横向振动及其诱发电磁噪声研究

朱四华¹，朱学山²，林洪文¹，胡昊¹

(1.海军航空工程学院电子信息工程系，山东烟台 264001; 2.中国人民解放军91329部队，山东威海 264200)

收稿日期:2013-09-08 修回日期:2013-09-08 上线日期:2014-09-05
作者简介:朱四华（1979—），男，讲师

Research on Lateral Vibration and Vibration-induced Electromagnetic Noise of Underwater Electric Field Antenna

ZHU Si-hua¹，ZHU Xue-shan²，LIN Hong-wen¹，HU Hao¹

(1.Department of Electronic Information Engineering, Naval Aeronautical and Astronautical University,Yantai 264001, Shandong, China;2.Unit 91329 of PLA, Weihai 264200, Shandong, China)

Received:2013-09-08 Revised:2013-09-08 Online:2014-09-05

摘要/Abstract

摘要： 横向振动作为水下电场天线在海水随机脉动应力作用下的主要振源，其诱发的电磁噪声在长波通信电磁噪声中占主导作用，直接影响长波通信深度和质量。建立了天线的横向振动模型，导出了天线的随机振动响应，分析了横向振动诱发电磁噪声的产生机理及特性，并给出了电磁噪声的仿真结果及结果分析。研究结果表明：采用平板脉动压力下Bernoulli梁的随机振动模型计算振动诱发电磁噪声是可行且准确的，可以根据横向振动诱发电磁噪声分析结果优化天线结构以减小振动感应噪声。

关键词: 通信技术, 长波通信, 拖曳天线, 横向振动, 电磁噪声

Abstract: Lateral vibration is the dominating vibration source caused by seawater ripples for the underwater electric field antenna, and the lateral vibration-induced electromagnetic(EM) noise is dominant in EM noises for long wave communication，which has a significant influence on the receiving depth and quality of long wave communication. The lateral vibration model of towed antenna is established, and the response of lateral stochastic vibration is educed. The generating mechanism and characteristic of lateral vibration-induced EM noise are analyzed．Furthermore，the simulation and analytic results of EM noise are given．All the results indicate that the calculation of vibration-induced EM noise under the assumption of Bernoulli beam and the excitation of stochastic fluctuating stresses is feasible and exact, and the antenna configuration is optimized and the vibration-induced EM noise is decreased based on the results of lateral vibration-induced EM noise.

Key words: communication technology, long wave communication, towed antenna, lateral vibration, EM noise

中图分类号:

TN827

朱四华，朱学山，林洪文，胡昊. 水下电场天线横向振动及其诱发电磁噪声研究[J]. 兵工学报, 2014, 35(7): 1060-1064.

ZHU Si-hua，ZHU Xue-shan，LIN Hong-wen，HU Hao. Research on Lateral Vibration and Vibration-induced Electromagnetic Noise of Underwater Electric Field Antenna[J]. Acta Armamentarii, 2014, 35(7): 1060-1064.

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水下电场天线横向振动及其诱发电磁噪声研究

Research on Lateral Vibration and Vibration-induced Electromagnetic Noise of Underwater Electric Field Antenna

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