Electromagnetic logging technique based on borehole radar. - Sixin Liu; Motoyuki Sato (IEEE Trans. Geosci. Remote. Sens., 2002)

Subsurface water-filled fracture detection by borehole radar: a case history. - Sixin Liu; Zhaofa Zeng; Motoyuki Sato (IGARSS, 2005)

Dielectric parameters measurement of rock and ore samples. - Sixin Liu; Junjun Wu (IGARSS, 2010)

Electromagnetic simulations of borehole radar for metal ore detection. - Sixin Liu; Junfeng Zhou; Junjun Wu; Zhaofa Zeng (IGARSS, 2010)

Airborne GPR: Advances and numerical simulation. - Sixin Liu; Yanqian Feng (IGARSS, 2011)

Numerical Simulations of Borehole Radar Detection for Metal Ore. - Sixin Liu; Junjun Wu; Junfeng Zhou; Zhaofa Zeng (IEEE Geosci. Remote. Sens. Lett., 2011)

Development of an Airborne Ground Penetrating Radar System: Antenna Design, Laboratory Experiment, and Numerical Simulation. - Lei Fu; Sixin Liu; Lanbo Liu; Linlin Lei (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014)

Remote Detection of Human Vital Sign With Stepped-Frequency Continuous Wave Radar. - Lanbo Liu; Sixin Liu (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014)

Source wavelet independent time-domain full waveform inversion(FWI) of cross-hole radar data. - Sixin Liu; Xu Meng; Lei Fu (IGARSS, 2016)

Noise suppressing and direct wave arrivals removal in GPR data based on Shearlet transform. - Xiannan Wang; Sixin Liu (Signal Process., 2017)

Application of Time-Domain Full Waveform Inversion to Cross-Hole Radar Data Measured at Xiuyan Jade Mine, China. - Sixin Liu; Xintong Liu; Xu Meng; Lei Fu; Qi Lu; Li Deng (Sensors, 2018)

Data Processing and Interpretation of Antarctic Ice-Penetrating Radar Based on Variational Mode Decomposition. - Siyuan Cheng 004; Sixin Liu; Jingxue Guo; Kun Luo; Ling Zhang; Xueyuan Tang (Remote. Sens., 2019)

Dam Leakage Detection by Borehole Radar: A Case-History Study. - Sixin Liu; Xudong Wang; Qi Lu; Honqing Li; Yuanxin Wang; Li Deng (Remote. Sens., 2019)

Application of Laplace Domain Waveform Inversion to Cross-Hole Radar Data. - Xu Meng; Sixin Liu; Yi Xu; Lei Fu (Remote. Sens., 2019)

Linear Prediction-Based DOA Estimation for Directional Borehole Radar 3-D Imaging. - Sixin Liu; Wentian Wang; Lei Fu; Qi Lu (IEEE Trans. Geosci. Remote. Sens., 2019)

Does Ecological Water Replenishment Help Prevent a Large Wetland from Further Deterioration? Results from the Zhalong Nature Reserve, China. - Liwen Chen; Sixin Liu; Yanfeng Wu; Y. Jun Xu; Shengbo Chen; Shiliang Pang; Zongting Gao; Guangxin Zhang (Remote. Sens., 2020)

Estimation of Moisture Content in Railway Subgrade by Ground Penetrating Radar. - Sixin Liu; Qi Lu; Hongqing Li; Yuanxin Wang (Remote. Sens., 2020)

Radar-Derived Internal Structure and Basal Roughness Characterization along a Traverse from Zhongshan Station to Dome A, East Antarctica. - Kun Luo; Sixin Liu; Jingxue Guo; Tiantian Wang; Lin Li; Xiangbin Cui; Bo Sun; Xueyuan Tang (Remote. Sens., 2020)

Analysis of the Borehole Effect in Borehole Radar Detection. - Wentian Wang; Sixin Liu; Xuzhang Shen; Wenjun Zheng (Sensors, 2020)

3D Imaging Algorithm of Directional Borehole Radar Based on Root-MUSIC. - Wentian Wang; Sixin Liu; Xuzhang Shen; Wenjun Zheng (Remote. Sens., 2021)

Borehole Radar Response to Fracture Characteristics: A Forward Simulation Study. - Sixin Liu; Qiancheng Zhao; Hongqing Li; Qi Lu (AIAM, 2022)

Particle Swarm Optimization-Based Variational Mode Decomposition for Ground Penetrating Radar Data Denoising. - Sixin Liu; Yuhan Chen; Chaopeng Luo; Hejun Jiang; Hong Li; Hongqing Li; Qi Lu (Remote. Sens., 2022)

Source-Independent Waveform Inversion Method for Ground Penetrating Radar Based on Envelope Objective Function. - Xintong Liu; Sixin Liu; Chaopeng Luo; Hejun Jiang; Hong Li; Xu Meng; Zhihui Feng (Remote. Sens., 2022)

Deep Radiostratigraphy Constraints Support the Presence of Persistent Wind Scouring Behavior for More Than 100 Ka in the East Antarctic Ice Sheet. - Kun Luo; Xueyuan Tang; Sixin Liu; Jingxue Guo; Jamin S. Greenbaum; Lin Li; Bo Sun (IEEE Trans. Geosci. Remote. Sens., 2022)

Simulation of Borehole Radar Responses to Rough Fractures Based on 3-D Conformal FDTD. - Jianfu Ni; Xue Han; Qi Lu; Sixin Liu (IEEE Trans. Geosci. Remote. Sens., 2022)

Resolution Enhancement of Electrical Resistivity Tomography Based on Deep Learning. - Xianghao Liu; Qi Lu; Sixin Liu (IEEE Geosci. Remote. Sens. Lett., 2023)

A 3-D Directional Borehole Radar Imaging Method for Rough Fractures: Numerical Simulation and Analysis. - Jianfu Ni; Xue Han; Qi Lu; Sixin Liu (IEEE Trans. Geosci. Remote. Sens., 2023)

Estimation of the Soil Water Content Using the Early Time Signal of Ground-Penetrating Radar in Heterogeneous Soil. - Qi Lu; Kexin Liu; Zhaofa Zeng; Sixin Liu; Risheng Li; Longfei Xia; Shilong Guo; Zhilian Li (Remote. Sens., 2023)

Application of Ground-Penetrating Radar with the Logging Data Constraint in the Detection of Fractured Rock Mass in Dazu Rock Carvings, Chongqing, China. - Wenxing Yuan; Sixin Liu; Qiancheng Zhao; Li Deng; Qi Lu; Lei Pan; Zhilian Li (Remote. Sens., 2023)

Airborne Radio-Echo Sounding Data Denoising Using Particle Swarm Optimization and Multivariate Variational Mode Decomposition. - Yuhan Chen; Sixin Liu; Kun Luo; Lijuan Wang; Xueyuan Tang (Remote. Sens., 2023)

Fracture System Assess in Beishan Grottos, Chongqing, China Based on Multiple Geophysical Data. - Qiancheng Zhao; Sixin Liu; Wenxing Yuan; Qi Lu; Sen Tian; Jianfu Ni; Xianghao Liu (IEEE Access, 2024)

Two-Stage Denoising of Ground Penetrating Radar Data Based on Deep Learning. - Mingqi Hu; Xianghao Liu; Qi Lu; Sixin Liu (IEEE Geosci. Remote. Sens. Lett., 2024)

Slowness High-Resolution Tomography of Cross-Hole Radar Based on Deep Learning. - Xianghao Liu; Sixin Liu; Sen Tian; Qiancheng Zhao; Qi Lu; Kun Wang (IEEE Geosci. Remote. Sens. Lett., 2024)

GPR Closed-Loop Denoising Based on Bandpass Filtering Constraints. - Xianghao Liu; Sixin Liu; Zhuo Jia; Declan Vogt; Sen Tian; Xintong Liu; Qi Lu (IEEE Trans. Geosci. Remote. Sens., 2024)

3-D Directional Borehole Radar Imaging Based on Echo Separation. - Jianfu Ni; Sixin Liu; Xue Han; Qi Lu; Sen Tian; Qiancheng Zhao (IEEE Trans. Geosci. Remote. Sens., 2024)

Study of Subsurface Structures Northwest of Ascraeus Mons, Mars, Based on Variational Bayesian Monte Carlo. - Qian Wang; Sixin Liu; Jianfu Ni; Qi Lu (IEEE Access, 2025)

Basal Roughness of the Princess Elizabeth Land, East Antarctica: Relationship With Subglacial Geomorphological Features and Ice Flow. - Kun Luo; Xueyuan Tang; Sixin Liu; Jamin S. Greenbaum; Lin Li; Jingxue Guo; Bo Sun (IEEE Trans. Geosci. Remote. Sens., 2025)