1Lhermitte R M, Miller L J. Doppler radar meteorology for the observation of convective storms. Preprints of 14th Radar Meteorology Conference, Tucson, Amer. Meteor. Soe. 1970. 133～138.
2Doviak R J, Ray P S. Error estimation in wind fields derived from dual-Doppler radar measurement. J. Applied Meteor, 1976, 15: 868～878.
3Testud J, Chong M. Three-dimensional wind field analysis from dual-Doppler radar data, Part I: filtering, interpolating and differentiating the raw data. J. of Climate and Applied Meteorology, 1983, 22:1204～1226.
4Ray P S, Li C, Bumgamer Z W, et al. Single and multiple-Doppler observations of tornadic storms. Mon. Wea. Rev.,1980, 108: 1607～1625.
