红外辐射大气透过率的工程计算

A Theoretical Calculation Method on Engineering of Atmospheric Transmittance of Infrared Radiation

针对现有红外辐射大气透过率经验计算公式不适用于高层大气的局限性，对其进行了重新推导并引入了高度修正，修正后的公式可用于计算任意高度路程上的大气透过率，修正所需大气光学特性参数全部可查相关手册获得。此外，还设计了适合于计算倾斜路径上大气透过率的计算流程，并给出了计算实例。

To solve the problem of experiential calculation formula of atmospheric transmittance of infrared radiation which can＇t calculate transmittance of atmosphere higher than sea level, this paper gives new formulas to remedy the lack. New formulas can be applied to calculate the atmospheric transmittance of arbitrary route with any height and zenith angle limits. The optical parameters of atmosphere, mentioned in the new formulas, may refer to the related handbook. The calculating steps for slant route are designed. In addition, the calculating example and results are shown.