%0 Journal Article %T Nondestructive Testing of Dielectric Materials using an Active Reflecting Microwave Array %A Tayebi, A.. %A Chahal, P.. %A Udpa, L.. %A Udpa, S.. %K microwave testing, microwave imaging, antenna arrays, beam steering, time reversal signal processing %J NDT World %D 2019 %N 22 %P 5 %I LLC SVEN