1. Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, College of Electronic and Information Engineering, Southwest University, Chongqing, China
2. School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia
3. College of Computer Science, Chongqing University, Chongqing, China
4. Chongqing Key Laboratory of Computational Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China
5. Key Laboratory of Intelligent Air-Ground Cooperative Control for Universities in Chongqing, College of Automation, Chongqing University of Posts and Telecommunications, Chongqing, China
6. Science Program, Texas A&M University at Qatar, Doha, Qatar