frequency surface

Using local base surface parameterization, a parametric quadric surface approximation method is used to estimate the local surface curvature properties of scattered points based on propagating normal vector direction.

然后,在以局部基础曲面内投影点的参数化代替空间邻近点集的参数化的基础上,用二次参数曲面逼近空间邻近点集,从而计算出各点的法矢,再对不协调的法矢方向进行调整。

This paper investigates the Zygmund property of spherical fractional integral on the sphere.

讨论了球面分数次积分的Ｚｙｇｍｕｎｄ性质。

Through concrete rectangular coordinates transformation,the invariant complete system for intersection line of quadratic algebraic surface with plane are given.

通过具体的直角坐标变换，详细地给出二次代数曲面与平面的交线即平截线的不变量完全系统，该系统不仅在理论上而且在实际应用中为彻底解决二次代数曲面平截线的有关问题提供了强有力的工具。

Research for the Inverse Operator of Fractional Integration on Sphere;

球面分数次积分算子的逆算子探究(英文)

Comparison Study of the Numerical Calculations of the Spherical Integral Based on Two Models

两种模型的球面数值积分的比较研究

Multilinear Commutators of Fractional Integrals

分数次积分的多线性换位子(英文)

Cauchy-Stieltjes Integrals and Areally Mean p-Valent Functions;

Cauchy-Stieltjes积分与面积平均p叶函数

Boundedness of Fractional Integrals and Fractional Maximal Functions for Nondoubling Measures;

非二倍测度条件下分数次积分和分数次极大函数的有界性

The Boundedness of Multilinear Commutators of Singular Integral Operators and Fractional Integral Operators Related to Smooth Functions;

奇异积分和分数次积分与光滑函数生成的多线性交换子

Analysis of Multi-component LFM Signals by the Integrated Quadratic Phase Function

基于积分二次相位函数的多分量LFM信号分析

Estimation of the Number of Zeros of Abelian Integral of a Class of Quadratic Integrable Systems

一类二次可积系统的Abel积分的零点个数估计

A Study on Circuit of the Positive Coefficient Fourfold Differential of Single Operational Amplifier

单运放正系数四次积分电路的研究

Alexander transformation and integral representation of starlike function class of order α

α次星形函数族的Alexander变换和积分表示

The Singular Integral Equations with Variable Coefficients on the Domain Built by Complex Biballs;

复双球垒域上变系数的奇异积分方程

Polynomial First Integrals of Some Kind 2-Dimensional Triple Vector Fields

一类平面三次向量场的多项式首次积分

Nonexistence of Polynomial First Integrals for Quadratic Planar Vector Systems

平面二次向量场多项式首次积分的不存在性

On Henstock Integral of Fuzzy-Number-Valued Function in the Plane;

平面上模糊数值函数的Henstock积分

The Algebraic Classification of a Class of Degree 1 + Degree 3 Polynomial System

1次+3次平面多项式系统的代数分类

A Discussion of Ranking with Score in Basketball Match;

对以积分率排列篮球比赛名次办法的商榷

fluxional calculus

【数】流数术(微积分)

The Boundedness of the Commutator of Generalized Fractional Integral Operator;

广义分数次积分算子交换子的有界性问题