This is to protect you from the risk of clear-air turbulence, a rare but extremely nasty form of disturbance that can cause severe injury. 这是为了保护你不受晴空乱流的伤害,尽管这种情况不太常见但却极端烦人,而且会造成严重伤害。
Physical Causation and Forecast of Strong Clear-air Turbulence 晴天暴的物理成因及预报
Simple analytic expressions are derived for the temporal broadening and scintillations of a narrowband, space-time Gaussian pulse propagating through clear-air weak atmospheric turbulence in a laser satellite communication system. 本文导出了在激光卫星通信系统下,一种窄带、时空高斯脉冲在纯净空气弱大气湍流下传播时的瞬时展宽和瞬时闪烁的简易分析表达式。
The results calculated show that the major contributions for the backscattering cross section come possibly from average cloud diameter, clear-air and humidity turbulence and also from distributions of cloud particles, especially, at higher frequencies. 表明影响云的后向散射截面的主要因素为云滴平均半径、大气湿度湍流及云粒子分布,在较高频率时更显著。