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为了提高电法或电磁法仪器的抗干扰能力,采用伪随机编码的脉冲序列作为激励源,应用通讯领域的伪随机编码相关检测技术和信号过采样等先进技术,开发出具有强抗干扰能力的电法勘探硬件采集系统和资料处理软件系统.通过仿真检测和在不同勘探领域的实测试验,证明了该方法的可行性与有效性.实现的抗干扰编码电法仪达到了预期效果,展示了优越的抗干扰能力,可以用于城市、矿山、电站和铁路周边等强干扰地区的电法勘探.
In order to improve the anti-interference ability of the electrical method or the electromagnetic method instrument, the pseudo-random code pulse sequence is used as the excitation source, the application of the communication technology of pseudo-random code detection and signal oversampling and other advanced technologies to develop a strong anti-interference ability Electric exploration hardware acquisition system and data processing software system.It is proved that this method is feasible and effective through the simulation testing and field test in different exploration fields.The anti-jamming code electric meter achieves the expected results, Superior anti-interference ability, can be used for electric exploration in cities, mines, power stations and other areas with strong interference around the railway.