通过矩量法推导了阻抗矩阵和激励矩阵。
The impedance matrix and excitation matrix are derived by moment method.
本文就结点阻抗矩阵的概念以及形成方法进行一次探讨。
This paper describes the fundamental concept of node impedance matrix and different methods to formate them.
本文提出了一种用对称阻抗矩阵直接得出等效电路的方法。
This paper presents an approach to derive equivalent circuits directly from symmetrical impedance matrix.
利用网络理论和矩量法对圆阵互阻抗矩阵的计算进行了研究。
The mutual impedance matrix of the circular array is also studied by using network theory and MOM.
提出了一种基于网络阻抗矩阵和潮流解的输电系统网损分摊方法。
Based on the network impedance matrix and the load flow solution, a novel method for allocation of transmission losses is proposed in this paper.
计算阻抗矩阵元素时，由于被积函数振荡性很强，收敛慢，难于计算。
The integrand exhibits slowly convergence and highly oscillatory, which leads to difficulties when attempting to evaluate the impedance matrix elements.
当频率很低时，阻抗矩阵中矢量磁位的贡献比标量电位的贡献小得多。
At very low frequencies, the contribution from the vector potential to the impedance matrix is much smaller than the contribution from the scalar potential.
应用分块技术将大系统分割为若干子系统，求出节点阻抗矩阵中相关的列。
The large system is divided into several subsystems by using diakoptical technique, and related rows of nodal point impedance matrices are solved.
建立了阻尼间隔棒的数学模型，给出了间隔棒的阻抗矩阵和耗能计算公式。
A mathematical model of damping spacer damper is established, then the impedance matrix and energy consuming formulae of spacer dampers are derived.
对于原始的输入数据，不可能得到正确的结果，尽管阻抗矩阵并不是病态的。
The correct solution can not be obtained for the original input data, even though the impedance matrix is not ill conditioned.
数值实验表明该方法能够大幅提高自作用和近作用阻抗矩阵元素的计算精度。
Numerical examples demonstrate that the presented method can greatly increase the accuracy of calculation of the self-interaction and near-interaction impedance matrix elements.
首先将有理函数阻抗矩阵插值技术应用于采用预条件器加速的矩量法求解过程。
Firstly, impedance matrix interpolation is incorporated in MoM in combination with the preconditioning technique.
在计及并联线路互感的情况下，提出了一种节点阻抗矩阵修正计算的通用算法。
Considering the mutual flux linkage of parallel lines, this paper presents a general method for update computation of the impedance matrix.
当等效偶极子单元离观察点大于临界距离时，用偶极子模型法计算阻抗矩阵元素。
The impedance matrix element is calculated by the dipole model method when the distance between the equivalent dipole element and the observation point is beyond a critical distance.
根据圆阵的对称性，给出了在矩量法中对广义阻抗矩阵赋值的算法以节省计算时间。
According to the symmetry of the circular array, the algorithm for solving the general impedance matrix assignment of MOM is presented to save computational time.
最后基于全节点阻抗矩阵和交易的等值节点电流提出了一种通用的配电网损耗分配方法。
A universal procedure for allocating losses in distribution networks is proposed based on the full bus impedance matrix and equivalent injection current of transactions.
给出了三间隙耦合腔输出回路的等效电路，利用等效电路确定了谐振频率及间隙阻抗矩阵。
The equivalent circuit of the three-gap coupled cavity type output section is given, with which resonant frequency of resonant modes and gap impedance matrix are calculated.
常规散射特性计算方法如矩量法中的广义阻抗矩阵在谐振频率点上条件数过大，导致计算不准确。
The regular numerical algorithm is MOM, whose general impedance matrix has a large condition number at the resonance frequency points, which brings an inaccurate result.
用天线阵归一化广义阻抗矩阵表示单元互耦，分析了考虑单元互耦效应的自适应天线协方差矩阵的特点。
By using the arrays normalized general impedance matrix to express the mutual coupling between the elements, the characteristics of the covariance matrix of the adaptive arrays are analyzed.
在此基础上，根据节点阻抗矩阵各元素的意义，提出了一种节点阻抗矩阵各元素的简单且准确的计算方。
A new calculation method is proposed by analyzing the content of node impedance based on the mathematical models of distribution network.
当进行扫角计算时，平面波入射角度的变化只会对右端电压矩阵产生影响，左端阻抗矩阵不会发生变化。
When calculation of RCS is started by looping over angles, only the right voltage matrix is effected with the changes of the incidence wave. The left impedance matrix is not changed.
电流控制电流源（CCCS）存在不同支路电流之间的控制行为，给该类网络节点阻抗矩阵的形成带来困难。
The current of current-controlled current source (CCCS) branch is controlled by the current of another branch, which makes it difficult to build the node impedances matrix (Z-matrix).
由于基础动力阻抗矩阵是外荷载激励频率的函数，采用更多参数的一般集中参数模型与数值解答吻合精度更高。
The general lumped parameter model introduced in this paper offers more accurate results than the traditional method for dynamic stiffness matrix of foundation is frequency-dependent.
在建立了该系统的动力学模型的基础上，讨论了以阻抗矩阵表示的二端口网络结构，稚导了相应的网络特性参数。
On the basis of establishing the dynamic model of the system, a 2-port network structure demonstrated with impedance matrix is discussed and the related network performance parameters are deduced.
利用互易电路支路阻抗矩阵对称性，构造回路阻抗矩阵也对称的回路电流方程，得出一种证明互易定理的直观方。
With symmetry of branch impedance matrix in reciprocity network the loop current equation that the loop impedance matrix is symmetrical is presented.
针对该文的算法提出了一种基于节点邻接表的搜索方法，用于搜索环网、形成环网阻抗矩阵而无需进行复杂的编码。
Moreover, a searching method based on the adjacent nodes table is presented to search the loops and obtain its impedance matrix.
通过变压器的热解剖试验获得了变压器的热阻抗矩阵元素，论证了变压器热点瞬态温升电算方法的正确性和实用性。
Numerical examples demonstrate that the presented method can greatly increase the accuracy of calculation of the self-interaction and near-interaction impedance matrix elements.
但是在处理高频问题和具有精密结构的缝隙时，对目标剖分过密会导致稠密的阻抗矩阵，未知量增加，影响计算的效率。
But for high frequency problem and complex structure, too dense grid of object will lead to dense impedance matrix and many unknown variables, so the computational efficiency will be very low.
但是在处理高频问题和具有精密结构的缝隙时，对目标剖分过密会导致稠密的阻抗矩阵，未知量增加，影响计算的效率。
But for high frequency problem and complex structure, too dense grid of object will lead to dense impedance matrix and many unknown variables, so the computational efficiency will be very low.
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