摘要
采用一种便携式小型光谱仪对天津市区太阳光和天空光在200～850nm波段进行光谱测量.分析了一天中不同时刻的太阳光谱的变化,比较了太阳光谱与相应天空光谱间的关系,同时还给出了不同天气情况下的天空光谱测量结果及相关理论分析,并对太阳光和天空光的颜色进行了色度计算.
Spectral measurements of the sunlight and the skylight over Tianjin municipal area are reported within the spectral range of 200-850 nm, using a compact and portable spectrometer. The relationship between the sunlight spectra at different time and the corresponding skylight spectra are compared and analyzed. The results of the skylight spectra in different weather conditions and the corresponding theoretical analyses are also presented. In addition, the cb. roma values, of the sunlight and skylight are calculated from the measured spectral traces.
出处
《南开大学学报（自然科学版）》
CAS
CSCD
北大核心
2004年第4期69-74,共6页
Acta Scientiarum Naturalium Universitatis Nankaiensis
基金
天津市重大基础研究前期科研专项基金资助项目(2002CCA01C00)
关键词
太阳光谱
大气光谱
光谱测量
天空光色度
sunlight spectra
atmosphere spectra
spectral measurement
the chromaof skylight
