About the Authors

Xianbin Li

Affiliation Department of Physics and Electronic information engineering, Wenzhou University,Wenzhou, Zhejiang, China

Liangzhong Shen

Affiliation Department of Physics and Electronic information engineering, Wenzhou University,Wenzhou, Zhejiang, China

Xuequn Shang

Affiliation School of Computer Science and Technology, Northwestern Polytechnical University, Xi'an, China

Wenbin Liu

wbliu6910@126.com

Affiliation Department of Physics and Electronic information engineering, Wenzhou University,Wenzhou, Zhejiang, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XL WL. Performed the experiments: XL LS. Analyzed the data: XL LS XS WL. Contributed reagents/materials/analysis tools: LS XS. Wrote the paper: XL WL.