HAN Bing-xin~1,LIU Li-xian~1,LI Yong-wei~2,CHEN Ping-yin~3,SHI Wen-lan~4(1.Department of Electronic Engineering,Shijiazhuang Railway Institute,Shijiazhuang Hebei 050043,China;2.Department of Scientific Research,Hebei University of Science and Technology,Shijiazhuang Hebei 050018,China;3.Hanxing Metallurgical Mine Administration Xishimen Iron Mine,Handan Hebei 056300,China;4.Department of Information Engineering and Automatization,Hebei Institute of Vocation and Technology,Shijiazhuang Hebei 050091,China)