Zhang, Jing
Wang, Zhe
Wang, Zhixun
Zhang, Ting
Wei, Lei
Funding for this research was provided by:
Ministry of Education - Singapore (MOE2015-T2-2-010, MOE2019-T1-001-103, MOE2019-T1-001-111)
Nanyang Technological University EEE Ignition Research Grant
Article History
Received: 17 September 2019
Accepted: 24 October 2019
First Online: 15 November 2019
Competing interests
: The authors declare no competing interests.