About the Authors

Huakui Sun

Roles Conceptualization, Writing – original draft, Writing – review & editing

sunhuakui@sdu.edu.cn

Affiliation School of Airspace Science and Engineering, Shandong University, Shandong, China

Yang Zhou

Roles Data curation, Writing – review & editing

Affiliation School of Electronics and Information, Northwestern Polytechnical University, Xi’an, China

Competing Interests

The authors have declared that no competing interests exist.