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CMP Antenna Array GPR and Signal-to-Clutter Ratio Improvement

机译:CMP天线阵列GPR和信噪比改善

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Ground-penetrating radar (GPR) is recognized as a promising sensor for detecting buried landmines. In this case, the GPR antenna(s) must be elevated above the ground. However, this requirement results in heavy surface clutter. It is therefore necessary to overcome the effect. A commonly used procedure of time gating and background averaging cannot suit to small shallow nonmetallic landmine beneath a rough ground surface. In this letter, we proposed techniques to enhance the target signal through common midpoint (CMP) antenna array and data processing techniques, including velocity spectrum and CMP multifold stacking. The method has been tested using experiment data over a rough ground under which small plastic antipersonnel landmines is shallowly buried. The result shows the signal-to-clutter ratio was dramatically improved.
机译:探地雷达(GPR)被公认为是探测埋藏地雷的有前途的传感器。在这种情况下,必须将GPR天线高出地面。但是,此要求导致表面杂乱。因此有必要克服该影响。时间选通和背景平均的常用程序不适用于粗糙地面下的小型浅层非金属地雷。在这封信中,我们提出了通过普通中点(CMP)天线阵列和数据处理技术来增强目标信号的技术,包括速度谱和CMP多重堆叠。该方法已使用实验数据在粗糙的地面上进行了测试,在该地面上浅埋了小的塑料杀伤人员地雷。结果表明信噪比得到了显着提高。

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