| 1. | Generalized admittance matrix ( gam ) and its characterization , cascading and computing are studied 论文对广义导纳矩阵的推导、性质、级联和用计算机实现计算进行了研究。 |
| 2. | The procedure based on the sparse network admittance matrix allocates the transmission losses to all participants of power exchanging 这种方法以网络稀疏导纳矩阵为基础,将网损合理分摊给功率交换者。 |
| 3. | Topology graphic is applied to electric power networks , and a new method to form the three - phase nodal admittance matrices with three - phase branches is proposed 将图论应用到电网拓扑结构中,从一个新的角度提出了用三相支路法形成三相节点导纳矩阵的方法。 |
| 4. | The former is calculated by mom . special attention is paid to the evaluation of the admittance matrix elements , which involve the internal and external mutual coupling . the latter is solved using po 矩量法用于波导缝隙阵列的模式项散射的计算,着重分析了包含外部耦合和内部耦合的矩阵元素的求值。 |
| 5. | Based on all the research works mentioned above , a new technique to compute the caliber admittance matrix has been derived and applied for the problem of the scattering by electrically body with opening cavities 在计算实例中,不同形状的的腔体以及内部含有介质层的腔体对电磁散射的贡献得到了比较和分析。在上述研究的基础上,本文首次提出了用有限元方法计算腔体内部口径导纳矩阵。 |
| 6. | The dissertation has been divided into three part : the method of scalar fem for calculating the scattering and coupling character of 2d cavities ; the high efficient algorithm of vector fem for the scattering and coupling character of 3d cavities ; the method of calculate caliber admittance matrix for high efficient algorithm to compute the scattering and coupling character body with open cavities 全文分别研究标量有限元边界积分求解二维腔体电磁散射与耦合的计算方法,矢量有限元边界积分求解三维腔体电磁散射与耦合的计算方法,同时针对含腔目标的高效求解问题提出了口径导纳矩阵的新的计算方法,提高了计算效率。 |
| 7. | In verifying of relay protection sensitivities , a network portioning method combining with graphic interface is proposed . it can online track the varieties of network , accordingly it can satisfy real - time and emulation analysis of topological configuration . with the real - time network configuration and nodal admittance matrix analyzed , the short - circuit calculation is carried out ; by means of an expert system , the verification of protection sensitivities has been achieved 在网络拓扑在线快速跟踪基础上,进行实时结线分析并形成导纳矩阵,同时将短路计算的理论运用于在线,将获得的在线短路计算的结果同专家系统相结合进行保护灵敏度的在线校验,最后通过友好的人机交互界面提供整个城市电网全部投运保护装置的保护灵敏度状况。 |
| 8. | Moment method is used for the analysis of interference among the vehicular multiple antennae in this paper . the multiple antennae system is equivalent to a microwave network , then the admittance matrix of the network can be obtained . using the admittance matrix , we can analyze the characteristic of coupling between two antennae and the near field of the antennae by the mom 本文采用矩量法对车载多天线间的相互干扰特性进行了分析,将多天线系统等效为微波网络,然后采用矩量法求该网络的导纳矩阵y ,利用该导纳矩阵对天线间互耦特性进行分析,同时计算天线的近场分布。 |
| 9. | A general graphical user interface based on object - oriented technique , database and visualization in scientific computing has been conducted . we can draw electrical components of the distribution network and fill the components data easily . background programs analyze topology automatically and constitute node admittance matrix , node impedance matrix 它使用图形元件直接绘成系统接线图,在屏幕上输入元件参数,后台程序自动进行网络拓扑分析,然后基于稀疏技术,利用支路扫描法形成节点导纳阵,连续回代法形成节点阻抗阵。 |
| 10. | The content including : ( 1 ) combined with the powerful matrix operation function and the abundant function computation of matlab , a load flow program is developed . due to the deeply research of admittance matrix , jacobian matrix and correction matrix , this program has a great advantage at both speed and code 其主要内容如下: ( 1 )结合matlab软件强大的矩阵运算功能和丰富的函数计算功能,对潮流算法中导纳矩阵、雅可比矩阵以及修正方程求解的实现方式进行了深入研究,开发出一种速度和代码量都具有明显优势的潮流程序。 |