Outdoor S4 (scintillation index) data at 340 GHz

The file contains the S4 data for 340GHz wave through the clear air. The data are obtained by a experimental setup working at 340 GHz, and the wave propagates throug the outdoor atmosphere, and the measured data are processed to the scintillation index data S­4, the meteorogical data are given, too. The meteorogical data includes temperature with the unit of ℃，the water vapour density in unit of g/m3, and the wind speed in unit of m/s. the S4 data is in the last row in the dataset. The correlation between water vapour density and the S4 is larger than the other meteorogical data with S4.

该文件包含340GHz波通过晴空大气时的S4数据。数据由一个工作在340 GHz的实验装置获取，波动通过户外大气传播，测得的数据经过处理得到闪烁指数数据S­4，同时提供了气象数据。气象数据包括温度，单位为摄氏度（℃），水汽密度，单位为克每立方米（g/m3），以及风速，单位为米每秒（m/s）。数据集中的S4数据位于最后一行。水汽密度与S4的相关性大于其他气象数据与S4的相关性。