1. School of Aerospace Engineering, Shenyang Aerospace University, Shenyang, China
2. School of Electronic and Information Engineering and the Liaoning General Aviation Academy, Shenyang Aerospace University, Shenyang, China
3. School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo, China
4. School of Geology and Geomatics, Tianjin Chengjian University, Tianjin, China
5. First Monitoring and Application Center, China Earthquake Administration, Tianjin, China