针对激光雷达散射截面的测量精度，指出测量中存在的背景散射问题。
To improve the measurement accuracy of laser radar cross section (LRCS), the background scattering existing in the measurement is pointed out.
推导了点目标的激光雷达散射截面的理论公式，对标准朗伯平板点目标进行了定标。
The author calibrates the point target of standard lambert slab and derives the theoretical formula of its lidar scattering cross section.
在外场用已知半球反射率的靶板作为标准靶板，反演测定目标靶板激光雷达散射截面和半球反射率。
Using a plate whose hemisphere reflectivity is known as a standard plate, the lidar scattering cross section (LRCS) and hemisphere reflectivity of a target plate are measured inversely.
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