使用了支路追加法和导纳矩阵求逆法来形成节点阻抗矩阵，给出了两种算法的数学模型，分析了算法各自的特点和优势。
The aim of the paper is to receive nodal impedance matrix by adding - branch line algorithm and admittance matrix algorithm, to analyze the effect of them, and to provide the models.
运用树的遍历技术进行实用潮流计算，递归方程的使用使得编程简单，并且不需要形成阻抗阵或导纳阵。
Efficient power flow is calculated by means of tree technique and recursion, which do not need resistance or admittance matrix.
本文介绍微机作阻抗导纳圆图的基本方法。
This paper introduce the basic method of drawing the circular chart of impedance and admittance by microcomputer.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
然后结合阻抗与导纳的测试结果计算出互感器的误差。
And then combined with the impedance and admittance of the test results to calculate the transformer error.
本文对电磁波在手征介质中的传播进行了研究，利用矢量圆法对传播中介质所表现出的表面阻抗和导纳进行了推导。
This paper studied the characteristics of electromagnetic wave propagation in chiral media, and got the expessions of surface impedance and admittance by use of vector circle method.
讨论了用散射参数表达的串联阻抗Z和并联导纳Y的二端口特性，给出了它们的有源RC电路模型。
The scattering parameter expression of two port properties of impedance Z (in series connection) and admittance Y (in parallel connection) are discussed and their active RC model is presented.
采用心阻抗图与心导纳图对高血压病患者与正常人各200例进行了心功测定。
The cardiac functions were measured by the impedance cardiography and the transthoracic admittance plethysmography in 200 hypertensive patients and normal subjects.
本文提出了R型函数的概念及构造R型函数的规则，给出了求解开路阻抗或短路导纳参数的一般方法。
The concept oi R-type function and it's construction rules are presented. The general method solving the parameters of the open-circuit impedances or short-circuit admittances is also given.
本文简要地介绍了不定导纳矩阵的基本概念，讨论了应用于高频小信号放大器的分析方法，给出了应用实例，并得出放大器的增益和输入阻抗表达式。
In this paper the concept of IAM is introduced and the method Used for analyzing H. F. small signal amplifier is discussed. The expressions of gain and input impedance of amplifier are given.
边界节点间的互联支路的阻抗也可以利用边界节点间的导纳矩阵求得。
The resistance of Internet branch of boundary nodes can also be calculated by the admittance of the above.
虚拟支路的导纳参数可由目标分流系数、戴维南等效阻抗及原潮流越限支路导纳获得。
Admittance parameters of the virtual branch can be obtained by object shunting coefficient, Thevenin's equivalent resistance and the admittance of the primary branch of power flow off-limit.
讨论了阻抗参数与导纳参数，复模态参数与实模态参数的转比关系；
Then, the transformation equations relating physical parameters with admittance parameters and those relating complex modal parameters with real ones were determined.
讨论了阻抗参数与导纳参数，复模态参数与实模态参数的转比关系；
Then, the transformation equations relating physical parameters with admittance parameters and those relating complex modal parameters with real ones were determined.
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