查询词典 paper matrix

This paper expounds the oxyacetylene flare overlaying welding technology of tungsten carbide rod made to be metal matrix carbide ceramal compound overlaying welding layers.

介绍碳化钨条氧乙炔火焰堆焊制备金属基碳化物陶瓷复合耐磨堆焊层的工艺方法，结合碳化钨条氧乙炔火焰堆焊工艺过程、堆焊层性能特点、泥沙磨损实验结果及显微组织形貌，分析讨论了热源性质对堆焊层性能的影响以及复合耐磨堆焊层的抗泥沙磨损特性。

For any Markova chain, this paper gives equivalent construction method of DPNN and solving algorithm of network weight matrix under the condition of Markova chain state transition probability. Simulation results prove the effectiveness of this method.

对于任意的Markov链，给出与之等效DPNN的构建方法和在Markov链状态转移概率条件约束下的网络权值矩阵求解算法，仿真实验结果验证了方法的有效性。

In this paper, a Hanji character generator with 32 x 32 dot-matrix by using Eshaped soft magnetic-core is proposed.

本文提出了一个用线性 E型磁芯组成的32× 32点阵汉字发生器的方案。

Finally, this paper discusses and analyzes the chosen of parameters and close-loop characteristic of dynamic matrix control.

本文还对动态矩阵控制的参数选择和闭环特性进行了讨论和分析。

This paper gives a simple algorithm for the computation of the characteristic polynomial of a square matrix.

在线性定常控制系统的分析和综合中，计算矩阵特征多项式的问题，是经常会出现的，因而也是十分基本的。

Similarly, this paper also deduces two function expressions comprising several key parameters by use of characteristic matrix expression of films.

最后，本文又由多层膜系的特征矩阵入手，推导出包含各参数的两个函数式。

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。

When to get the coefficients of polynomial directly,the ill-conditioned matrix may be produced and effect the precision of result.Using orthogonal polynomial can avoid this problem.This paper introduces 4 orthogonal polynomial.In our discussion,it is proposed to use Chebyshev polynomial and Legendre polynomial,they are easier to sa...

讨论4种常用正交多项式在拟合卫星轨道与时间函数时的适用性；通过计算实例说明利用切比雪夫多项式和勒让德多项式做数据拟合时具有很高的精度；分析得出评定多项式拟合数据精度的适用阶数，实际应用中可降低工作量，提高计算效率；最后讨论同一多项式阶数下不同历元数对拟合结果的影响。

This paper analyzed the firstorder statistics of receive data′s sequences and deduced a channel estimation algorithm using the property of circulant Toeplitz matrix when using PN sequences as training sequences.

从接收信号的一阶统计量入手，并且在训练序列为PN序列下，利用循环To-eplitz矩阵的特性，得到了信道估计的算法。

In this paper, the judgement of existing solution to circulant linear equations set and the solutions under all kinds of circumstances are presented by polynomial matrix theory.

摘要利用多项式矩阵理论，给出了循环线性方程组有解的判定并求出各种情况下的解。

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％。