On November 18, Experts of researcher Zhang Qiang ,Jin Yongli from Beijing weather modification office visited the KLAS laboratory and had an academic exchange on the fields of technology of meteorological radar signal processing, strong weather recognition and classification system, X band dual polarization radar, etc. Professor Yang Ling(Vice President of Electronic Engineering College), Professor Yao Zhendong, Professor Su Debin, Associate professor Niu Haishun and Li Xuehua participated in the exchange.