查询词典 parabolic curve

In the present paper ,we consider the problem of the normal form of the parabolic matrix in GLn.

本文中作者讨论了n×n阶抛物矩阵在GL_n作用下的相似标准型。

The nuclide migration model is a coupled parabolic equations with initial and boundary conditions.

该核素迁移模型是一个耦合的抛物型方程组定解问题。

Plot --- composite numerical quadrature formula to solve the problem of integration functions for composite trapezoidal plot formula and compound parabolic formula, the right to issue integral calculation.

数值积---复合求积公式对积分问题的求解功能用复合梯形求积公式和复合抛物线公式，对给定的积分问题进行计算。

First, by the style of convolution and deconvolution operator in frequency domain, the aliasing problem in parabolic Radon transform is researched, and the critical sample of the parameter q and x is formulated.

首先通过频率域中褶积和反褶积算子的形式，对抛物线Radon变换中的假频问题进行了研究，得出了变量q和x的临界采样率的定量公式。

To reduce the error between the interpolation function regaining the sampled signal and interpolation function ha by Shannon sampling theorem, this paper suggests that the common linear interpolation is replaced by a second order approximation of the parabolic interpolation.

为减小恢复被采信号所用的内插函数与山农采样定理要求的内插函数ha之间的误差，提出了用抛物线内插--ha的二阶近似代替常规的线性内插。

In this paper a numerical model for simulating propagation and transform ofwater waves in coastal area is set up by using parabolic mild-slope equation inorthogonal coordinates, and the particular format of this equation in conformal systemis also set up.

本文建立了一个基于普通贴体正交网格系统的抛物型缓坡方程模型，并给出了其在保角坐标系下的特殊形式，利用该模型研究了扩张防波堤和环形渠道内波浪的传播这两个典型算例。

In this paper, the current states of research about the basic theory of stationary state perturbation method are firstly reviewed, on base of them, and studied some physics issues mainly about hydrogen atom. The stark effect of the energy level (n = 4) of hydrogen atom is calculated and the stark effect of three dimensional hydrogen atom is discussed by the use of the parabolic coordinates, then the perturbative matrix elements for each energy level are given.

本文首先综述了关于定态微扰论基本理论的研究现状，在此基础上利用定态微扰论对某些物理问题，主要是对氢原子问题展开了研究，计算了氢原子n=4能级的斯塔克效应，并利用抛物线坐标法求解了三维氢原子的斯塔克效应，给出了氢原子斯塔克效应中微扰矩阵元的普遍公式。

A physical - optics method for computing the far field of a parabolic cylinder fed by a linear rectangular patch antenna phased - array is presented.

用物理光学法对一副微带相控线阵馈电的抛物柱天线的远场方向图进行了仿真计算。

This leads to a parabolic partial differential equation for price of bond.

假设利率变化的模型是由随机微分方程给出的，则可以用推倒Black－Scholes方程的方法来推出债券价格满足的偏微分方程，得到一个抛物型的偏微分方程。

Up to now, finite difference method, finite element method and boundary element method are common numerical methods to obtain numerical solutions of parabolic partial differential equation.

目前求解抛物型偏微分方程的数值方法有有限差分法、有限元法和边界元法等。

These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.

这些规则反映了"自我"和"非我"的内在特征，是GECISM进行"非我"检测的判据。

Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.

时至今日，国内外艺术媒体还是在沿用&后八九&这个称谓，不管当初是为了商业噱头还是容易上口好记，反正大家现在是记住了&后八九&这个广东口音很重的词。