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Furthermore,the characters of fitted model using matrix of covariance and correlation coefficient were also discussed in this paper

同时，本文还讨论了用协方差矩阵和相关系数矩阵配合模型的特点。

Moreover,the paper also presented a method of model stationary vector stochasticseries with given correlation matrix on the basis of a triamgulardecompo...

另外还提出了一种基于块形Toeplith 矩阵的三角形分解模拟有指定相关矩阵的平稳矢量随机序列的方法。此方法需要较少的计算机存贮量。

In this paper, the random effects of covariance matrix positive for the promotion of research.

把随机效应的协方差推广为正定阵进行研究。

In this paper, by using the special structure of the covariance matrix, a fast high resolution method based on QR decomposition is presented.

利用阵列输出协方差矩阵的特殊结构，本文提出一种基于QR分解的高分辨谱估计方法及其改进形式。

This paper focus on establishing a set of self-contained theory system on robust estimation by changing the covariance matrix of observations.

本文致力于建立一套基于调整观测量协方差阵的稳健最小二乘估计理论。

In the present paper,current research results on the crystallization behavior of cristobalite in silica with different morphologiesand different silica matrix composites and different opinions on the mechanism of the crystallization behavior were reviewed.

方石英由高温冷却时，在大约267oC附近会发生尽相到a一相的二级相变。在这个过程中，方石英热膨胀系数会突然下降，同时产生约2.8%的体积变化效应队2}。

This paper adopts the method of double cubic B-Spline curved surface modeling based on cubic B-Spline curve,and comes out its matrix expression.

自由曲面的数据一般是由各截面型线给出的，数据用离散点组成的列表数据表示，给定型值点的自由曲面型

This paper proposes goal programming method of triangular fuzzy number reciprocal judgment matrix based on α-cut set.

提出了基于α-截集的三角模糊数互反判断矩阵的目标规划法。

The cyanate ester of novolac,prepared in this paper,has lower content of impurity,higher char yield and good processability,which is suitable for use as the matrix of high performance ablative material .

研究结果表明，所制备的酚醛型氰酸酯具有低的杂质含量、高的烧蚀残碳率，适合于高性能烧蚀材料的树脂基体。

In order to improve the operation of the plant equipment and the reliability of economy, the paper thermal economic evaluation of the study, in a cycle function on the basis of the theory of the matrix model based on the thermal analysis method the use of mathematical software MATLAB the corresponding generic calculation procedure, and use VB establishment of display interface Calculation of the power plant thermal system hot economy.

为了提高电厂设备的运行经济性以及可靠性，本文以热经济性评价为研究课题，在以循环函数法为理论基础上提出了基于矩阵模式的热力系统分析方法，利用数学软件MATLAB编制了相应的通用性计算程序，利用VB编制了显示界面，计算电厂热力系统的热经济性。

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％。