1. Assistant Professor, School of Aeronautics, Northwestern Polytechnical Univ., Xi’an 710072, China (corresponding author).
2. Professor, School of Aeronautics, Northwestern Polytechnical Univ., Xi’an 710072, China.
3. Postdoctor, School of Aeronautics, Northwestern Polytechnical Univ., Xi’an 710072, China.
4. Aviation Industry Corporation of China, First Aircraft Institute, No. 1 East Renmin Rd., Yanliang, Xi’an 710089, China.