Affiliation: | Zhang Jia-Hong, Li Min, Gu Fang, and Liu Qing-Quan( a) Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science & Technology, Nanjing 210044, China b) College of Math & Physics, Nanjing University of Information Science & Technology, Nanjing 210044, China) |