用射线跟踪法，按射程计算将散射投影在平面图像对应单元的像素点上，得到自然地表的雷达图像模拟。
By using the ray tracing method, the scattering from all cells of scatters under a certain radar resolution is mapped into the image pixels.
改变非均匀地表的组成，如树木数目与高度、下垫地表、隐藏目标等，产生各种条件下自然地表景象产生的雷达图像模拟。
The radar images are simulated for different spatial structures such as number and density of trees, underlying land media, embedded target, etc.
然而，作为航海雷达图像模拟的方向，系统建模与仿真技术基本没有应用于民用船舶导航雷达模拟器中，特别是对船舶导航雷达模拟器中雨雪回波图像的模拟。
However, they are hardly used for civil ship navigation radar simulator, especially not for the simulation of echo images of rain and snow in ship navigation radar simulators.
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