[Yang, Xiaohua; Li, Wei; Lei, Jichong; Ren, Changan; Yu, Tao] Univ South China, Sch Nucl Sci & Technol, Hengyang 421000, Hunan, Peoples R China.
[Ren, Changan] Hunan Inst Technol, Sch Comp Sci & Engn, Hengyang 421000, Hunan, Peoples R China.
[Li, He] Minist Ecol & Environm, Nucl & Radiat Safety Ctr, Beijing, Peoples R China.
[Liu, Jie; Yang, Xiaohua; Huang, Guocai; Gao, Kekun] Univ South China, Sch Comp Software, Hengyang 421000, Hunan, Peoples R China.