Shaft-ground active compensation technology of the ship shaft-rate electric field
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摘要: 为了有效减少舰船轴频电场的影响,降低舰船的暴露率,在分析轴频电场产生机理和相关电学特性的基础上,提出舰船轴频电场的轴地有源补偿方法,分析轴地有源补偿系统的原理,设计系统的控制框架和功能框架。研究舰船轴地微弱信号监测与调理技术以及电场抑制系统的判断与控制技术,设计轴地有源补偿系统的驱动和功率输出模块,开展轴频电场抑制效果的模拟测试。试验结果表明:除去环境电场的影响,该系统对轴频电场的抑制能力超过75%,可以有效降低舰船轴频电场对舰船隐蔽性的影响。Abstract: In order to reduce marine shaft-rate electric field influence and the exposure rate of the ship, the mechanism of the electric field is analyzed in this paper, along with the principle of the active compensation system.Specifically, the electrical properties are studied based on the analysis of the mechanism of shaft-rate electric field of the ship.The ship shaft-rate electric field suppression is proposed according to the compensated negative potential.The framework and function framework of the system are designed.The weak signal monitoring and processing technology of ship shaft is investigated, and the judgment and control technology of the system is studied.The driving and power output module of the negative potential is designed, where the simulation results show that the ship shaft-rate electric field can be suppressed effectively with the proposed system, and the stealth property of the ship is simultaneously enhanced.
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