1. School of Meteorology and School of Electrical and Computer Eng., The University of Oklahoma,NOAA/OAR National Severe Storms Laboratory,Norman,OK,USA
2. Advanced Radar Research Center, School of Meteorology and School of Electrical and Computer Eng., The University of Oklahoma,Norman,OK,USA
3. Johns Hopkins University,Applied Physics Laboratory (APL),Laurel,MD,USA
4. CIWRO/NSSL, School of Meteorology, The University of Oklahoma,Norman,OK,USA