| 雷电信号对船舶轴频电场检测算法影响的研究 |
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| 引用本文： | 肖爱明,;胡鹏,;龚沈光.雷电信号对船舶轴频电场检测算法影响的研究[J].武汉理工大学学报(交通科学与工程版),2014(3):626-629. |
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| 作者姓名： | 肖爱明 ;胡鹏 ;龚沈光 |
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| 作者单位： | [1]海军指挥学院信息战研究系,南京211800; [2]海军工程大学兵器工程系,武汉430033 |
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| 基金项目： | 国防基金项目资助（批准号：5144407105JB11） |
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| 摘 要： | 针对现有船舶轴频电场检测均未考虑雷电信号对其影响,实测了因雷电引起的1～10Hz频段内的水下电场信号,总结了该信号的特征,并分析了其对船舶轴频电场检测算法的影响.提出通过调整轴频电场检测算法中数据窗时间长度、滑动数据窗的时间间隔和特征值大于门限值的持续时间来消除雷电信号对船舶轴频电场检测算法的影响.通过对实测船舶轴频电场和雷电信号的验证表明,该方法行之有效.
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| 关 键 词： | 船舶轴频电场 雷电信号 检测算法 影响 |
Research on Influence of Thunderbolt on Detection Algorithm for Ship Shaft-rate Electric Field Signal |
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| Institution: | XIAO Aiming, HU Peng, GONG Shenguang, (Department of Information Warfare, Naval Command College, Nanj ing 211800, China;Department of Weaponry Engineering ,Naval University of Engineering ,Wuhan 430033 ,China) |
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| Abstract: | To solve the problem that the current detection algorithms for ship shaft-rate electric field signal are without the influence of thunderbolt,the research on influence of thunderbolt on the algorithms has been made in this paper.First,the thunderbolt signal during the frequency band in 1～10Hz is measured and analyzed.Then,the influence of thunderbolt signal on detection algorithm for ship shaft-rate electric field signal is analyzed.Finally,three parameters are proposed to be adjusted to eliminate the impact of thunderbolt signal on detection algorithm for ship shaft-rate electric field signal which contain the length of data window,the interval of neighboring data window and the time when the eigenvalue is larger than the threshold.The effectiveness of the solution is verified by the measured the ship shaft-rate electric field signal and the thunderbolt signal and results show that it is effective. |
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| Keywords: | ship shaft-rate electric field thunderbolt signal detection algorithm influence |
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