Keyphrases
Object-based
100%
Depth Measurement
100%
Buried Objects
100%
Constrained Least Squares
100%
Reflection Method
100%
Least-squares Fitting Method
100%
Host Material
50%
Transmitter
50%
Underground pipes
50%
Two-way Travel Time
50%
Measurement Accuracy
25%
Measurement Method
25%
Material Characterization
25%
Velocity Measurement
25%
Antenna
25%
Sham
25%
Validation Experiment
25%
Travel Path
25%
Percentage Error
25%
Levenberg-Marquardt Algorithm
25%
Point-based
25%
Path Model
25%
Fixed-distance
25%
Separation Distance
25%
Wave Propagation Speed
25%
Measurement Parameters
25%
Convergency
25%
Common Offset
25%
Soil Environment
25%
Velocity Estimation
25%
GPR Data
25%
Time Component
25%
LMS Method
25%
ASTM Method
25%
GPR Antenna
25%
Water Content Measurement
25%
Constrained Least Squares Method
25%
Offset Antenna
25%
Cylindrical Object
25%
Engineering
Ground Penetrating Radar Systems
100%
Buried Object
100%
Least Square
100%
Antenna
50%
Underground Pipe
33%
Separation Distance
16%
Centimeter
16%
Levenberg-Marquardt Algorithm
16%
Path Model
16%
Square Method
16%
Convergency
16%
Propagation Velocity
16%
Moisture Content
16%