[Guo, Shitai] Wuhan Univ Technol, Sch Resource & Environm Engn, Wuhan 430070, Hubei, Peoples R China.
[Zhu, Hongyang; Lin, Jiani; Li, Jianfu; Wang, Xiaoli; Wang, XL; Guo, Shitai] Linyi Univ, Sch Phys & Elect Engn, Linyi 276005, Shandong, Peoples R China.
[Wang, Qinglin] Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Sch Phys Sci & Informat Technol, Liaocheng 252059, Shandong, Peoples R China.
[Wu, Hao] Cent China Normal Univ, Coll Urban & Environm Sci, Wuhan 430079, Hubei, Peoples R China.