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随着新测量方法的开发和利用以及新的数据处理和资料解释技术的提高 ,使得磁法勘探可用于城市工程与环境中电磁干扰相对较小的区域 ,且高分辨地探测地表及近地表磁异常。实例表明 ,垂直梯度磁异常测量相对于ΔT磁异常测量具有较好的抗干扰能力 ,同时欧拉反褶积和场源参数成像方法增强了异常的区别和分离能力。结合共偏移距道集地震方法可以给出异常体埋深信息。
With the development and utilization of new measurement methods and the improvement of new data processing and data interpretation techniques, magnetic exploration can be applied to the areas with relatively small electromagnetic interference in urban engineering and environment, and the high resolution detection of surface and near-surface magnetic abnormal. The examples show that the vertical gradient magnetic anomaly measurement has good anti-jamming ability compared with the ΔT magnetic anomaly measurement, and the Euclidean deconvolution and field source parameter imaging method enhance the anomaly discrimination and separation ability. Combined with co-offset gathers seismic method can be given abnormal body buried depth information.