介绍了平行轴与共轴激光雷达几何重叠因子的物理意义,并从几何推导和实验测量两方面给出求解几何重叠因子的方法.通过对AML-1激光雷达(共轴系统)的实验总结,列举了一些有关几何重叠因子的典型结果,并分析了激光雷达几何重叠因子对探测气溶胶消光系数的影响.最后得出,气溶胶消光系数对几何重叠因子的修正非常敏感,但在激光雷达系统稳定且操作规范的情况下,几何重叠因子随距离的分布曲线是相对稳定的,此时对气溶胶消光系数的影响也较小.
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