Then tells the aurora sources,and the upper atmosphere wind field of the classification of the aurora.And introduces several can be used to detect the upper atmosphere wind field of light:oxygen 1S O (557.7 nm) and the O (1D) 630.0 nm aurora and three nitrogen aurora.Finally produced using the prism describe the difference principle used around the undersurface of this prism coating (CPP) technique to detect the wind field.Which film about CPP surface thickness and the choice of light,and the CPP bending.
英语翻译接着讲述了极光的来源,以及上层大气风场的极光的分类.并介绍了几种可用于上层大气风场探测的光源：氧原子O(1S)5