查询词典 skew-symmetric

In consideration of the cyclic symmetry of displacement constraints of group blades, a skew boundary condition and a skew coordinate system are introduced to deal with the constraint condition of group blades or integral blades.

该模型考虑到成组叶片位移约束的周期对称性，引入了料边界条件和斜坐标系统来处理成组或整圈叶片的约束条件，从而可以准确地计算出三维复杂形状叶片组在动、静状态下的固有频率和振型。

The research of matrixes is continuously an important aspect of the quaternion division algebra. The purpose of this paper is to discuss the property of skew self-conjugate matrix. The definition of skew self-conjugate matrix on real quaternion division algebra is given.

四元数体上矩阵的研究是四元数代数理论中的一个重要方面，本文研究实四元数体上斜自共轭矩阵的性质，给出实四元数体上斜自共轭矩阵的定义。

Basing on the famous Schur theorem on real quaternion division algebra and the operation of matrix, some properties and judging criterions of skew self-conjugate matrix are obtained. Several theorems about characteristic value, similar decomposition and real expression of skew self- conjugate matrix are gained.

借助四元数体上的Schur三角分解定理和体上矩阵的运算，得到了斜自共轭矩阵的一些性质及判定准则，获得了斜自共轭矩阵的实表示、相似分解以及特征值的几个定理。

However, when the skew between input data and the input clock is close to half step time, the "three times oversampling" system can not detect whether the skew leads or lags, and may induce errors in recovered data.

当输入资料偏移量接近二分之一步距时，三倍取样架构将无法分辨出偏移量是领先还是落后取样时脉，因此可能造成恢复资料的出错。

In this paper, the effections on time skew estimation with non-ideal test signal are studied using spectrum analysis method, and an algorithm of time skew estimation is presented, the validity of the algorithm is verified by the computer simulation.

本文采用频谱分析方法，研究了非理想测试信号对时间偏差估计的影响，提出了一种新的时间偏差估计算法，通过计算机仿真数据验证了算法的有效性。

To decrease SRM torque pulses, the skew of rotor is also applied to make the rotor and the influence of skew angles on the performances is analysed.

为了减少SR电机的转矩脉动，降低其振动和噪声，本文首次将斜槽的概念引入了SR电机，分析了斜槽角度对SR电机性能的影响。

The empirical results show that the FIGARCH model based on the skew student-t distribution is better than other distribution on the assumption in estimating the value of the dynamic Var, because it is better to reflect the risk of actual rate of return and it is proved to be better to choose the skew t-distribution model through the Pearson test.

实证结果表明，基于偏态t分布下的FIGARCH模型测算的动态Var值克服了其他分布假设上的不足，能够较好的反映金融收益率的实际风险，最后在该分布下的Pearson吻合度检验也证实了模型分布选择的正确性。

Place the skew on the plate at 90 deg to the wheel and grind the tip flat then swing the skew to the side.

广场上90度到车轮上的斜板和磨尖平，然后摆动倾斜到一边。

And, in Section 2.1, based on [L9], a regular solution of Yang-Baxter Equation and its decomposition can be obtained.

在第2.2节中，我们将要推广这些结论并且构造了弱Hopf代数skew-对的拟双交叉积，在这儿，我们并不要求skew-对中的两个弱Hopf代数是交换的。

Research purposes: To find out a simple and feasible computing method of skew frame to guide its design. Research methods:This paper analyzes the skew frame with 2D rigid frame and 3D space model of thick plate element with MIDAS Civil structure design system,and their results have been contrasted with comparison method.

随着交通运输事业的飞速发展，交通路网四通八达，铁路速度的提高及行车密度的加大，使用地少，投资小，施工方便的框架结构被大量采用，斜交框架结构日益增多，但是由于斜桥计算尚未形成完整的理论体系，这给铁路斜交框架立交桥的设计带来很大的困难。

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％。