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Reflectivity and Resolution Improvement of Underground Rectilinear Objects Detection Using GPR

机译:使用GPR的地下直线对象检测的反射率和分辨率改进

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摘要

In our previous works, we presented a fundamentally new method for detecting underground rectilinear objects by means of georadars. To improve the lateral resolution of the proposed method, a variant of this method using two transmitting antennas fed in antiphase was proposed. In this letter, we extend the previous work and present a deeper analysis of this method. It is shown that using the proposed method, a significant increase in both the relative area reflectivity (RAR) of rectilinear objects and the lateral resolution in the detection of underground narrow objects can be achieved. Our calculations show that using this method, it is possible to achieve a high horizontal resolution of the order of 0.2 m at depths of 20-30 m. The dependencies of RAR on the object's depth and width are calculated and presented. This method is applicable for both orthogonal and any other scanning scheme.
机译:在我们以前的作品中,我们通过Georadars提出了一种从根本上进行了检测地下直线物体的新方法。为了提高所提出的方法的横向分辨率,提出了使用在抗磷血中供给的两个透射天线的该方法的变体。在这封信中,我们扩展了以前的工作,并对这种方法进行了更深入的分析。结果表明,使用所提出的方法,可以实现直线物体的相对区域反射率(RAR)的显着增加,以及在地下窄物体的检测中的横向分辨率。我们的计算表明,使用这种方法,可以在20-30米的深度达到0.2米的高水平分辨率。计算并呈现RAR对象深度和宽度的依赖关系。该方法适用于正交和任何其他扫描方案。

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