1. Chongqing Key Laboratory of Non‐linear Circuits and Intelligent Information Processing, College of Electronic and Information Engineering, Southwest UniversityChongqing400715People's Republic of China
2. School of Mathematics and Statistics, Chongqing Three Gorges UniversityChongqing404100People's Republic of China
3. Key Laboratory of Intelligent information Processing and Control of Chongqing Municipal Institutions of Higher Education, Chongqing Three Gorges UniversityChongqing404100People's Republic of China