About the Authors

Yi Yang

jiafeiyy@mail.xjtu.edu.cn

Affiliation SKLSVMS, School of Aerospace, Xi’an Jiaotong University, Xi’an, Shaanxi, China 710049

Yuanli Liu

Affiliation SKLSVMS, School of Aerospace, Xi’an Jiaotong University, Xi’an, Shaanxi, China 710049

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YY. Performed the experiments: YY YL. Analyzed the data: YY YL. Contributed reagents/materials/analysis tools: YY. Wrote the paper: YY YL.