节点电压法是当前分析接地网最简单、计算中矩阵的阶数最小的方法之一。
Among current methods analyzing grounding grids in power current, the nodal method of analysis is the easiest and least exponent number of matrix in calculation.
这种新方法在提高有限元法场量计算精度的同时,还使其刚度矩阵的阶数有所降低。
Compared with the traditional FEM, the formula considerably improves the field calculation accuracy and reduces the scale of the FEM stiffness matrix.
本文通过简化公式降低了计算中所用矩阵的阶数,有效地减少了计算量,对混沌信号数据的实时处理有实际意义。
The heavy computation burden has been reduced effectively by our approach with decreasing orders of the matrices required in computing Lyapunov spectrum. The restult is valuable in real time …
由于主对角线上的元素都是1,而且矩阵的阶小于2006,所以为a2006邻接矩阵的图就是由A表示的图的传递闭包。
Since all elements on the primary diagonal are 1s and the dimensions are less than 2006, the graph with A2006 as its adjacency matrix is the transitive closure of the graph represented by a.
研究表明:由正交块循环矩阵构造出的多路寻址驱动矩阵的实现复杂度由原来的与矩阵的阶数平方成正比下降为与矩阵的阶数成正比。
It is indicated by the research that making up driving matrix of MLA-LCD by Orthogonal Block Circulant matrix can make the design scale down from square of matrix dimension to matrix dimension.
通过引入可信赖域,改进预测精度矩阵,来推导单个预测和组合预测的阶预测有效度。
The method deduces the forecast effectiveness of single and combined forecast by introducing confidence field and improving forecast precision matrix.
矩阵迭代法是求矩阵的第一阶特征值与特征向量的一种数值方法。
Matrix iteration method can be employed to figure out the first eigenvalue and eigenvector of a matrix.
本文提出一种改进边界元法,它使形成的边界元方程不隐含本征量,避免大阶数矩阵的转置。
A modified boundary element method is proposed. In the approach, the matrices in the formed boundary equation implicitly contain no eigen parameter.
采用螺旋理论,首先分别建立了3 -UPU并联角台机构在初始位形下和沿x轴方向发生移动后的一阶影响系数矩阵。
Based on the screw theory, the first-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.
证明了任意阶的灵敏度矩阵都可以由传递矩阵及其循环乘给出。
It has been shown that sensitivity-matrix of arbitrary order can be expressed by transmission matrix and its circular multiplication.
选择适当的变换矩阵,对尺度向量进行双尺度相似变换,可以使其具有满意的逼近阶。
Then choosing suitable transform matrix, and applying TST to it, the satisfactory approximation order of the multi-scaling vector was achieved.
建立了主进给机构的封闭形式的运动学方程,导出了一、二阶运动影响系数矩阵。
Closed form kinematic equations of main feed mechanism are established, one and two order effect coefficient matrixs are derived.
本文找到了有限阶随机矩阵为离散骨架的一个比较初等的等价条件;
An equivalent condition for a finite order stochastic matrix to be a discrete skeleton is found in this paper.
遵循最小均方误差原理,给出了二维二阶拟合的矩阵表达式。
According to the principle of minimum mean square error fit, the corresponding matrix formulation is developed.
其中当四阶累积量函数的两个变量分别在矩阵的对角线方向和偏离对角线方向取值并且第三个变量取零时,得到的矩阵的分析效果最好。
When two parameters of four-order cumulant function choose values of the diagonal direction and the off-diagonal direction of the matrix and the third parameter is zero, we can get the best matrix.
用有限元传递矩阵法分析火炮身管固有振动特性,矩阵阶次低,计算所得的固有频率与实际固有频率接近,误差在允许的范围内。
Matrix step is low by using the finite element transfer matrix method. Natural frequency by calculation approaches to actual natural frequency and the error is allowable.
本文运用实际系统向二阶模型逼近的方法,导出了求解调节器参数的矩阵方程,并编制了相应的计算机辅助设计的程序。
In this paper, a matrix equation for solving regulator parameters is derived, based on approximating the practical system to a typical two-order model. Corresponding CAD program is provided.
传统的多路寻址液晶驱动矩阵电路设计规模与矩阵阶数平方成正比。
The design scale of traditional driving matrix of MLA-LCD is in proportion to square of matrix dimension.
对求解结构固有频率的传递矩阵进行扩阶,推导了链式机械系统振动分析的扩阶传递矩阵算式。
The extended transfer matrix of the structural vibration analysis is derived by using the expansion to the transfer matrix to solve structural dynamic characteristic analysis.
得到了根据插值函数来计算刚度矩阵秩的计算公式,并对几种降阶积分单元进行了验算。
A formula based on the interpolation for the rank of the element stiffness matrix is presented, and some reduced integration elements are examined.
引入了基于该矩阵的细度参数、粗度参数、二阶距参数、熵参数及不均匀性等特征参数来描述泡沫的结构。
Parameters, based on the NGLDM, such as fineness, coarseness, entropy, second moment, and non uniformity parameter were introduced to describe the texture of froth.
应用等效线性化方法得到方程组的线性化刚度矩阵,给出了结构等效一阶频率的计算方法;
Then, an equivalent linearization method is applied to get its linearized stiffness matrix. The estimating method for the equivalent fundamental frequency of the membrane is deduced.
进而将积分方程形式的特征值问题转化为无穷阶矩阵的标准特征值问题。
And the eigenvalue problem of integral equation is transformed into a standard eigenvalue problem of a matrix with infinite order.
其中预测及校正方程均采用特殊的矩阵降阶技术求解,所需求解的方程组维数只相当于原来的一半。
All equations in prediction and correction step can be solved using matrix reduction technique, which significantly reduces the dimension to half of the original.
三阶方阵虽是最基本的矩阵,但是处理这类矩阵问题并不那么简单,例如,求一般三阶方阵的方幂。
The three factorial square matrix is the most basical matrix, however, it is not easy and simple to deal with the problems on this sort of matrixes as mentioned above.
子空间系统辨识方法确定系统的阶次是由可观测矩阵的非零奇异值来决定。
The system order is decided by non-zerosingular values of the observation matrix in the subspace state space systemidentification method.
利用空间四阶累量的孔径扩展性质,构造了一种新的累量域虚拟阵列波达方向矩阵。
A new type cumulant-based virtual DOA matrix is formed using the property of aperture extension of fourth-order cumulants.
进而将积分方程形式的特征值问题转化为无穷阶正定对称矩阵的标准特征值问题。
And then the eigenvalue problem of integral equation is transformed into the standard eigenvalue problem of a positive definite matrix with infinite order.
进而将积分方程形式的特征值问题转化为无穷阶正定对称矩阵的标准特征值问题。
And then the eigenvalue problem of integral equation is transformed into the standard eigenvalue problem of a positive definite matrix with infinite order.
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