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首页> 外文期刊>Exploration Geophysics >Highly efficient CMP surveying with ground-penetrating radar utilising real-time kinematic GPS
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Highly efficient CMP surveying with ground-penetrating radar utilising real-time kinematic GPS

机译：使用实时运动GPS的探地雷达进行高效CMP测量

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摘要

The main purpose of this paper is to describe a highly efficient common mid-point (CMP) data acquisition method for ground-penetrating radar (GPR) surveying, which is intended to widen the application of GPR. The most important innovation to increase the efficiency of CMP data acquisition is continuous monitoring of the GPR antenna positions, using a real-time kinematic Global Positioning System (RTK-GPS). Survey time efficiency is improved because the automatic antenna locating system that we propose frees us from the most time-consuming process - deployment of the antenna at specified positions. Numerical experiments predicted that the data density and the CMP fold would be increased by the increased efficiency of data acquisition, which results in improved signal-to-noise ratios in the resulting data. A field experiment confirmed this hypothesis. The proposed method makes GPR surveys using CMP method more practical and popular. Furthermore, the method has the potential to supply detailed groundwater information. This is because we can convert the spatially dense dielectric constant distribution, obtained by using the CMP method we describe, into a dense physical value distribution that is closely related to such groundwater properties as water saturation.
机译：本文的主要目的是描述一种用于探地雷达（GPR）测量的高效通用中点（CMP）数据采集方法，旨在扩大GPR的应用范围。提高CMP数据采集效率的最重要创新是使用实时运动学全球定位系统（RTK-GPS）连续监视GPR天线位置。由于我们建议的自动天线定位系统使我们摆脱了最耗时的过程-将天线部署在指定位置，从而提高了测量时间效率。数值实验预测，数据采集效率的提高将提高数据密度和CMP倍数，从而提高所得数据的信噪比。现场实验证实了这一假设。所提出的方法使得使用CMP方法进行GPR测量更加实用和普及。此外，该方法具有提供详细的地下水信息的潜力。这是因为我们可以将使用我们描述的CMP方法获得的空间密集介电常数分布转换为与地下水饱和度等地下水属性密切相关的密集物理值分布。

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