TY  - SER
AU  - Jones, Douglas L
AU  - Xie, Wei
AU  - Al-Qadi, Imad
TI  - Development of a Time-Frequency Approach to Quantify Railroad Baliast Fouling Condition Using Ultra-Wide Band Ground-Penetrating Radar Data
KW  - Ground-Penerating Radar
KW  - Ultra-Wide Band Radar
KW  - Scattering Analysis
ER  -