查询词典 polynomial

Based on the theory of characteristic polynomial, a new phase stepping algorithm, which is insensitive to disturbance and error, was put forward and improved.

经实验验证，该算法有效地提高了相移干涉仪测量表面形貌的Ra值，重复测量精度达5倍以上，使测量结果更接近实际值。

HMO characteristic polynomial and select eigenvalues for many heterocyclic benzenoids are calculated by using chemical graph theory methods.

应用化学图论计算了杂环芳烃HMO的选择本征值和本征多项式。

In the given algorithm, a matrix is first transformed into its Hessenberg form by using row- and column-transformation and the characteristic polynomial can be then determined by means of the formulas and a recursive algorithm given in this paper.

例如，在确定系统矩阵的规范形，在用代数方法判别系统的稳定性，在控制器和观测器的设计等时，就通常需要计算矩阵的特征多项式。

In terms of the theory of algebraic geometry, the problem of characteristic polynomial assignment of the closed-loop systems is transferr.

以代数几何方法为工具，将此闭环系统的特征多项式配置问题转化为判别有理映射是否为到上的，推导出多输入的 2 D广义系统Roe sser模型由状态反馈几乎任意配置特征多项式系数的充分条件。

Firstly, based on the algebra case of Wus method we give a modified algorithm of differential characteristic set for differential polynomial system - algorithm′.

算法′是在代数情形吴方法的算法的基础上推广而来。

Using the above polynomial gain ripple characteristic, expressions for the gain and bandwidth are derived, and numerical simulations are performed.

利用光子晶体光纤高非线性和低色散斜率的优良特性，提出了一种利用变换和缩放的四阶切比雪夫多项式计算双抽运光纤参量放大器平坦增益和带宽的方法。

So I obtained a new stable method that can avoid computing the characteristic polynomial for getting the eigenvalues of the tail submatrix.

利用这一思想和分治法，本人又提出了另一新的稳定解法是基于前一种方法和分治法的。

By using JK trigger produce input data, thai is cycle sequence from characteristic polynomial.

采用JK触发器产生输入信号M序列，假定特征方程式得到循环周期序列。

Finally, we put forward the concept of differential characteristic set modulo with respect to a polynomial and present the properties of the characteristic set.

最后，对微分特征列集理论进行了推广，给出了微分多项式系统的模微分特征列集的概念，并研究了其具有的性质。

The surface electromagnetic is expanded in a polynomial function via the Chebyshev approximation , then the electromagnetic distribution can be obtained at any frequency within the given frequency range , which is used to compute the scattered fields and the wideband radar cross section .

论文摘要：将切比雪夫逼近理论应用于目标宽带电磁散射特性分析中，通过求解给定频带的切比雪夫节点并用高阶有限元方法求得各节点处的目标表面场值，实现整个频带内任一频率点目标表面场值的快速预测，使得目标电磁散射特性得到快速分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。