%0 Journal Article %T A linear signal transmission system calibration method of wideband GPR %A Wu, Bin %A Zhao, Kai %A Gu, Ling-jia %A Cao, Qiong %A Li, Xiao-feng %A Zheng, Xing-ming %J Proceedings of SPIE %V 9972 %P 99721S-99721S-8 %@ 0277-786X %D 2016-09-19 %I SPIE %~ DeepDyve