Zheng Dandan, female, born in 1981, Ph.D., Associate Professor. 2006.9～2009.3: Ph.D. degree in School of Electrical Engineering and Automation, Tianjin University. 2004.9～2006.7: Master degree in School of Electrical Engineering and Automation, Tianjin University. 2000.9～2004.7: Bachelor degree in School of Electrical Engineering and Automation, Tianjin University. 2009.3-present: work in School of Electrical Engineering and Automation, Tianjin  University. Research Areas: Process parameter measurement and information processing; Flow sensor optimization; Fluid parameters detection and numerical simulation; Acoustic simulation and measurement