Li LI, Xue FU, Jia CUI, Chao ZHANG, Dehai ZHU, Kening WU. Soil Layer Identification based on Envelope Detector and STFT Spectrum Analysis of Ground Penetrating Radar Signals [J]. Journal of Geo-information Science, 2020, 22(2): 316
- Journal of Geo-information Science
- Vol. 22, Issue 2, 316 (2020)
Fig. 1. Simulation environment construction and line distribution of the experimental station in Tongzhou, Beijing
Fig. 2. Study area and the location of samples in Quzhou County, Hebei Province
Fig. 3. Flowchart of soil layer identification based on envelope detector and STFT spectrum analysis of ground penetrating radar signals
Fig. 4. Soil layer identification results based on ground penetrating radar by envelope detection in the simulated experimental environment
Fig. 5. Soil layer identification results based on ground penetrating radar by envelope detection in the actual farmland environment
Fig. 6. Relationship between peak weighted value of frequency amplitude and soil relative dielectric constant
Fig. 7. Soil stratification of typical sample sites in study area in Quzhou County, Hebei Province
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Table 1. Hierarchical data aggregation of soil configuration profile points in the study area
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