Funding for this research was provided by:
Natural Science Foundation of Guangxi Province (2018JJB170004)
Guangxi young and middle-aged teachers basic ability promotion project (2017KY0247)
GuangXi Key Laboratory Fund of Embedded Technology and Intelligent System (2018A-07)
Guangxi Universities Key Laboratory Fund of Embedded Technology and Intelligent Information Processing (2017-2-4, 2017-1-1)
Article History
Received: 11 August 2018
Revised: 7 December 2018
Accepted: 22 December 2018
First Online: 28 January 2019