1. The reason and theme of the paper writing.
2. The innovation of the paper.
This paper needs to be improved. Xidian university refers to xidian university located in Xi, Shaanxi Province. It is a national key university directly under the central government and the Ministry of Education. It is jointly established by the Ministry of Education, the Ministry of Industry and Information Technology, the State Bureau of Science, Technology and Industry for National Defense and China Electronics Technology Group Corporation.