Research on the error of affine model relative to perspective model shows it is reasonable to analysis aerial images based on affine approximation.
通过对仿射投影模型相对透视投影模型的误差进行理论分析，论证了基于仿射近似解析航空图像的可行性。
Then we study the accuracy of Kirchhoff's approximation in the scattering of light field from the random self-affine fractal surface.
在此基础上，对采用基尔霍夫近似进行自仿射分形随机表面的散射光场数值计算的精确程度进行了研究。
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