强抗干扰电磁感应新方法

A new method of strong anti-jamming using Electromagnetic induction

在城市中进行地球物理勘探,传统的勘探方法是很难做到的,它受到强电磁、地下管线、管道等诸多方面的干扰.无线电频率电磁波法是利用无线电波频率信号进行勘探的一种地球物理勘探新方法,它通过不接地电极和磁道探头接收高频无线电波信号,有效的压制城市中复杂交错的人文电磁干扰,利用相应软件,经过OCCAM算法实现矢量、标量计算,可以得到与地下地质结构、构造相吻合的反演成果,从而为城市大型建筑的建设降低隐患.此外,其简便、灵活的勘测手法,还可以应用在地质填图、勘探和探矿工程、水文地质工程、垃圾填埋调查、管道渗漏等方面.

Because of the jam produced by strong electromagnetic signal, underground lines and pipe Etc, It＇s very difficult for traditional geophysical exploration in cities. To address these urban problems in city exploration, we found that the radio electromagnetic signals can effectively resist interference from outside and be received. The radiomagnetotelluric （RMT） method is a new method using the signals which have the same frequency with radio wave for geophysical exploration. Receiving the high radio wave by the ungrounded electrode and the magnetic track probe, it＇s an effective method to suppress the interference produced by the complex electromagnetic signal in cities. Using the relevant software, we can implement the vector and scalar operation by OCCAM algorithm, and get the inversion results which are consistent with geological structure underground. It can effectively reduce the hidden danger for constructions of large building in cities. In addition, the method is simple and flexible nimble, so it can also be used in the fields of geological mapping, exploration engineering, hydrogeology engineering landfill survey and pipeline leakage Etc. This paper describes the working principle of the method and data processing, and obtains the excellent results by model and example measurement and data processing. All of the above prove that this method is effective.