Pseudowhitening of Weather Radar Signals to Improve Spectral Moment and Polarimetric Variable Estimates at Low Signal-to-Noise Ratios是什么意思_Pseudowhitening of Weather Radar Signals to Improve Spectral Moment and Polarimetric Variable Estimates at Low Signal-to-Noise Ratios在线翻译_英语_读音_用法_例句