Chen, Bo
Sun, Yao
Zhuang, Zibo
Funding for this research was provided by:
National Natural Science Foundation of China (11501566, U1433202)
Civil Aviation University of China (2017QD04S)
Article History
Received: 20 November 2018
Accepted: 5 February 2019
First Online: 12 February 2019
Competing interests
: All the authors declare that they have no competing interests.