Advances in Civil Engineering / 2019 / Article / Tab 1

Research Article

A Method for Cavity Scale Estimation Based on Ground-Penetrating Radar (GPR) Explorations: An Experimental Study

Table 1

Relationship between the variables of underground electrical characteristics, GPR exploration, and frequency.

Measurement variablePermittivityConductivityFrequency
LowHighLowHighLowHigh

Velocity of electromagnetic waveFastSlow
AttenuationHighLowLowHighLowHigh
Depth of investigationShallowDeepDeepShallowDeepShallow
WavelengthLongShortLongShort
ResolutionLowHighLowHigh

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.