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Simulations of the observation of clouds and aerosols with the Experimental Lidar in Space Equipment system

机译：航天设备系统中的实验激光雷达对云和气溶胶观测的模拟

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We carried out a simulation study for the observation of clouds and aerosols with the Japanese Experimental Lidar in Space Equipment (ELISE), which is a two-wavelength backscatter lidar with three detection channels. The National Space Development Agency of Japan plans to launch the ELISE on the Mission Demonstrate Satellite 2 (MDS-2). In the simulations, the lidar return signals for the ELISE are calculated for an artificial, two-dimensional atmospheric model including different types of clouds and aerosols. The signal detection processes are simulated realistically by inclusion of various sources of noise. The lidar signals that are generated are then used as input for simulations of data analysis with inversion algorithms to investigate retrieval of the optical properties of clouds and aerosols. The results demonstrate that the ELISE can provide global data on the structures and optical properties of clouds and aerosols. We also conducted an analysis of the effects of cloud inhomogeneity on retrievals from averaged lidar profiles. We show that the effects are significant for space lidar observations of optically thick broken clouds.
机译：我们使用日本太空设备实验激光雷达（ELISE）进行了云和气溶胶观测的模拟研究，这是一个具有三个检测通道的两波长反向散射激光雷达。日本国家航天发展局计划发射“任务演示卫星2”（MDS-2）上的ELISE。在模拟中，针对人工二维空间模型（包括不同类型的云和气溶胶）计算了ELISE的激光雷达返回信号。通过包含各种噪声源，现实地模拟了信号检测过程。然后将生成的激光雷达信号用作输入，以使用反演算法来模拟数据分析，以研究对云和气溶胶光学特性的检索。结果表明，ELISE可以提供有关云和气溶胶的结构和光学特性的全局数据。我们还分析了云的不均匀性对平均激光雷达轮廓图取回的影响。我们表明，这种影响对于光学上较厚的破碎云的激光雷达观测非常重要。

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