Prediction of height of water flowing fractured zone based on PCA-BP neural networks model
XIE Xiaofeng, LI Xibing, SHANG Xueyi, WENG Lei, DENG Qinglin
China Safety Science Journal . 2017, (3): 100 -105 .  DOI: 10.16265/j.cnki.issn1003-3033.2017.03.018