Funding for this research was provided by:
National Natural Science Foundation of China (61674025)
Open Projects of Sichuan Key Laboratory of Meteorological Information and Signal Processing (QXXCSYS201603)
Article History
Received: 14 February 2020
Accepted: 24 April 2020
First Online: 11 May 2020
Competing Interests
: The authors declare that they have no competing interests.