针对目前隐身飞行器外形雷达散射截面(RCS)难以准确计算的问题，提出了一种基于目标外形几何特征和矩量法的飞行器r CS算法。
In order to solve the problem, a new algorithm for calculating RCS is presented based on the geometrical characteristic of target aircraft configurations and the method of moment (mom).
基于几何特征参数化提出了一种支持模型几何外形再设计的重建模型表达和建模方法。
A novel scheme of reconstructed model representation and modeling for innovative styling is presented based on parameterization of geometric features.
阐述了零件的外形尺寸、对称性以及嵌套和缠绕性等几何特征对零件可装配性的影响，并探讨了这些特征的自动识别方法。
The effects of dimension, symmetry and tangling or nesting features on assemblability are discussed, and the recognition methods from CAD model of these geometric features are given.
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