利用GPR天线-目标极化的瞬时属性分析方法探测LNAPL污染土壤

doi:10.13278/j.cnki.jjuese.20170125

Abstract

Abstract: In this paper, we apply the instantaneous attribute analysis method to ground penetrating radar (GPR) antenna-target polarization to detect the Light Non-Aqueous Phase Liquids (LNAPL) contaminated soil. We set up a model of LNAPL contaminated soils using quartz and diesel in laboratory and use the GPR to detect the contaminated soils with 0° antenna and 90° antenna, separately. The shape, size, and structure of LNAPL soil are not regular. Therefore, we can analyze the antenna-target polarization characteristics through 0° antenna measurement and 90° antenna measurement, and get the underground material information such as the direction and shape of the target. Through analyzing the instantaneous attribute of the pre-processed information including antenna-target polarization characteristics, the LNAPL contamination range can be clearly identified, and the detection ability of GPR can be improved.

Key words: ground penetrating radar, soil contaminants, light non-aqueous phase liquid, antenna-target polarization, instantaneous attribute analysis

CLC Number:

P631.3

Wang Yan, Lu Qi, Liu Cai, She Songsheng, Liu Sixin. Using GPR Antenna-Target Polarization Instantaneous Attribute Analysis Method to Detect LNAPL Contaminated Soil[J].Journal of Jilin University(Earth Science Edition), 2018, 48(2): 491-500.

References

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Using GPR Antenna-Target Polarization Instantaneous Attribute Analysis Method to Detect LNAPL Contaminated Soil

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