• The gaussian curvature of no . 3 coal seam in qinshui basin is calculated.

    计算了沁水盆地3煤层高斯曲率

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  • The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed.

    论述了高斯曲率预测煤层天然裂隙发育区的基本原理方法

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  • Image can be regarded as curved surface, and Gaussian Curvature can be used to describe the curves degree of curved surface relative to ball.

    图像可以看作是一个曲面描述曲面上某点相对于球面弯曲程度可以高斯曲率

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  • Some estimates of Gaussian curvature of conformal metric of mini mal surfaces immerse in the manifold of quasi-constant curvature were obtained.

    给出了拟常曲率流形极小曲面度量高斯曲率之上界估计

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  • Some estimates of Gaussian curvature of conformal metric of 2-dimensional minimal submanifold immerged in 2 + p-dimensional manifold of quasi-constant curvature were obtained.

    给出了拟常曲率流形二维小子流形度量高斯曲率之上界估计

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  • An approach is proposed to estimate several differential properties, including Gaussian curvature, mean curvature and main curvature on point-sampled surfaces in presence of noise.

    本文提出种直接点采样曲面上计算曲面的高斯曲率平均曲率曲率等局部微分性质方法

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  • It is concluded that the Gaussian curvature method can reflect the shape variation of coal seam curvature, and the method is effective to forecast natural fracture zones in coal seam.

    分析表明高斯曲率相对真实地反映煤层曲面形态变化,用方法预测煤层天然裂隙发育区切实可行的。

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  • The discrete curvature arithmetic was used to extract feature points, which the curvature expression contains Gaussian nuclear function and chooses appropriate discrete scale factor.

    提出用离散曲率提取特征,曲率表达式包含了高斯函数曲线,选用了合适的离散尺度因子

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  • For a given cavity length, the parameters, including the curvature of reflector, waist radius and spot size on reflectors, are calculated according to the Gaussian profile.

    高斯光束分布计算出给定长的反射曲率半径光腰镜面处光斑尺寸参量。

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  • For a given cavity length, the parameters, including the curvature of reflector, waist radius and spot size on reflectors, are calculated according to the Gaussian profile.

    高斯光束分布计算出给定长的反射曲率半径光腰镜面处光斑尺寸参量。

    youdao

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