Supported by the National High Technology Research and Development Program of China(863 Program) (2005AA 145110, 2006AA01Z436), the Natural Science Foundation of Shanghai (05ZR14083), and the Pudong N
<正>The Graz Ionospheric Flux Tube Simulations (GIFTS) has been improved.The improved GIFTS model was used to numerically investigate the energy particle precip
Ocean wave spectrum and surface currents can be de- termined from a series of spatial wave images recorded by an X-band marine radar. In the absence of a surfac