[Kadhim, Dheyaa Jasim;Yu, Xinguo] CCNU, Natl Engn Res Ctr E Learning, Wuhan, Hubei, Peoples R China.^[Jabbar, Saba Qasim;Li, Yu] Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China.^[Luo, Wenxing] GuiZhou Vocat Technol Coll Elect & Informat, Kaili, Peoples R China.