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目前国产装备的水雷磁感应引信系统中只采用简单的幅值鉴别方法,在引信的灵敏度比较高时,它的抗自然干扰能力不强。为了提高磁引信的抗干扰能力,本文分析了某一典型舰船的磁场强度通过特性曲线的谱,从中可以看出舰船磁场通过特性曲线,其强度集中在一个不太宽的频带上,利用选频方法可以显著提高引信的抗干扰能力。文中提供了一些定性实验材料以及参考数据。
At present, only the simple magnitude identification method is adopted in the mine-made magnetic induction fuze system of domestic equipment. When the sensitivity of the fuze is relatively high, its anti-natural interference ability is not strong. In order to improve the anti-jamming ability of magnetic fuze, this paper analyzes the magnetic field intensity of a typical ship through the spectrum of the characteristic curve, from which it can be seen that the strength of the magnetic field passing through the characteristic curve of the ship is concentrated in a not too wide band, Frequency selection method can significantly improve the anti-jamming ability of fuze. The paper provides some qualitative experimental materials and reference data.