• 给出了NURBS函数系数矩阵表示NURBS三曲面矩阵表示。

    The coefficient matrixes of cubic and square NURBS base functions and the expression of block matrixes of cubic NURBS surface are given.

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  • NURBS曲线方程具有等价形式有理分式表示、有理函数表示坐标表示。

    NURBS curve equation has three kinds of the equivalence form, i. e. rational fraction, rational base function and homogeneous coordinate.

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  • 反演计算中,射线轨迹慢度可用多项式函数予以计算。

    In inversion, the slowness at points on ray path can be calculated by using three order polynomial primary function.

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  • 变换具有最优稀疏约束条件能使函数投影能量尽可能

    The transform is characterized by optimum sparseness constraint condition that makes the mapping energy of primary reflections on a set of basis function as small as possible.

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  • 这种函数,建立了一种多个形状参数双曲多项式曲线,该类曲线对于均匀节点为C1连续。

    Based on the basis functions, quadratic hyperbolic polynomial curves with multiple shape parameters are constructed. These curves are C1-continuous with a non-uniform knot vector.

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  • 标准模糊系统上提出了正规多项式正规三角函数函数两类标准模糊系统。

    This paper establishes the standard fuzzy systems with partition of normal quadratic polynomial membership functions and normal trigonometric membership functions.

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  • 标准模糊系统上提出了正规多项式正规三角函数函数两类标准模糊系统。

    This paper establishes the standard fuzzy systems with partition of normal quadratic polynomial membership functions and normal trigonometric membership functions.

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