For terrain gray images, a pretreatment methodology for restraining noise and blurriness and an improved algorithm for extracting terrain roughness are given.
针对地形灰度图像，给出一种抑制噪声模糊的图像预处理方法和改进的地形粗糙度提取算法。
For elevation data, a regularized interpolation for resampling and an algorithm for extracting terrain roughness and slope with landing area plane fitting are presented.
针对高程数据，给出一种规则化插补的重采样方法和基于着陆区平面拟合的粗糙度与坡度提取算法。
The quantitative dependences of these numerical features on the fluctuant standard deviation and roughness of terrain are given, they provide the reference and basis for engineering designing.
求出了这些数字特征与地形的起伏标准差、粗糙度以及航速、航向误差之间的定量变化关系，为工程设计提供参考和依据。
The winds at lower altitudes, i. e. below 500 m, aretherefore influenced by the roughness of the terrain.
风在低海拔，即低于500米，因此影响粗糙度的地形。
The algorithm adopted continuous level of detail for fast rendering, and dynamically generated terrain meshes according to the roughness of terrain and information of the viewpoint.
采用连续细节层次快速绘制技术，按照地形的局部起伏程度和用户视点信息动态确定绘制时的地形网格。
This paper introduces a compacting-enveloping model of vehicle-soil interaction for explaining the form of the effective roughness of terrain.
提出了一种车辆一路面相互作用的压实-包络模型，以探讨软路面有效不平度形成的机理。
This paper introduces a compacting-enveloping model of vehicle-soil interaction for explaining the form of the effective roughness of terrain.
提出了一种车辆一路面相互作用的压实-包络模型，以探讨软路面有效不平度形成的机理。
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