吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (04): 1023-1028.doi: 10.7964/jdxbgxb201304029
周逢道, 唐红忠, 郭新, 王金玉
ZHOU Feng-dao, TANG Hong-zhong, GUO Xin, WANG Jin-yu
摘要：
针对时间域电磁探测系统中发射电流过冲造成接收盲区的问题,建立了电流过冲产生和抑制的交流等效模型,运用电路理论对模型进行了分析,提出加速电阻增大过冲电流振荡阻尼的方法,对时间域电磁探测发射机进行了改进。实验表明改进后系统稳定可靠,并使波形早期道信号前移110 μs,达到缩小近地探测盲区的目的, 为时间域电磁探测全电流波形收录提供了硬件前提,也可为基于无人机的电磁法探测装备的研发提供参考。
中图分类号:
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