简要介绍了利用太阳辐射测量整层大气光谱透过率的实验装置、测量原理和数据处理方法.为得到大气光学参数的实际变化规律,设计了由宽光谱范围的平场凹面光栅和高灵敏度的线阵CCD构成的硬件系统,利用太阳直接辐射测量其连续光谱,使用Langley拟合方法进行定标,通过运算得到了实际天气条件下的大气光谱透过率.将实测结果与现有其他设备的测量数据进行了对比,证明了测量结果的可靠性.
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