概述了电磁特征信号的来源、危害，介绍了轴接地、阴极保护系统的设计和滤波、消磁等消除或减少电磁特征信号的技术措施。
The measures to eliminate and mitigate the electromagnetic signature such as shaft grounding, design of cathodic protection system and degaussing wer.
中和阴极灯丝电源的正极接地，使得整个中和阴极灯丝处于负电位；
Anode of power supply for neutralization cathode filament is connected to ground, so that filament is at negative potential.
但是接地网阴极保护参数存在一个最佳值，以往都以经验值来初步确定。
But the ground network of cathodic protection parameters of the best there is a value in the past in order to have the experience to determine the initial value.
但是接地网阴极保护参数存在一个最佳值，以往都以经验值来初步确定。
But the ground network of cathodic protection parameters of the best there is a value in the past in order to have the experience to determine the initial value.
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