Funding for this research was provided by:
National Natural Science Foundation of China (61201381)
National Natural Science Foundation of China (61401513)
National Natural Science Foundation of China (61772548)
China Postdoctoral Science Foundation (2016M592989)
Self-Topic Foundation of Information Engineering University (2016600701)
the Outstanding Youth Foundation of Information Engineering University (2016603201)
Article History
Received: 17 July 2018
Accepted: 7 January 2019
First Online: 28 January 2019
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