1. School of Electronic Information, Xijing University, Xi’an 710123, China
2. Shaanxi Engineering Technology Research Center, of Controllable Neutron Source, Xi’an 710123, China
3. Shaanxi International Joint Research Center, for Applied Technology of Controllable Neutron Source, Xi’an 710123, China
4. Faculty of Science, Xi’an Aeronautical Institute, Xi’an 710077, China
5. Xi’an Qujiang No. 1 High School, Xi’an 710061, China