nodal line
英
美
n. （波）节线；结（交）点线
双语例句
- This process of measure, which appears alternately as a mere change in quantity, and then as a sudden revulsion of quantity into quality, may be envisaged under the figure of a nodal ( knotted) line.
质量统一体〔尺度〕的这种变化的过程，即不断地交替着先由单纯的量变，然后由量变转化为质变的过程，我们可以用交错线（knotenline）作为比喻来帮助了解。 - By means of the proposed algorithm the sensitivity of nodal voltage to any network parameter can be obtained, such as line reactance, variation of reactive power of power grid and so on.
通过该算法可得到节点电压对任何网络参数的灵敏度，比如线路电抗、电网无功功率的变化等。 - This paper derives the justifying conditions for fault location based on distributed parameter nodal admittance equations of faulty transmission line.
根据频域故障传输线的分布参数节点导纳方程推导了一种双短故障测距方法。 - Considering the sensitivity of virtual nodal voltage to line reactance and variation of reactive power of power grid comprehensively, the voltage instability index is put forward.
综合考虑节点电压关于线路电抗和系统无功功率变化的灵敏度，提出了电压失稳指标。 - The influence of switching off branch on system nodal voltages and line loads is analyzed and the concept of security margin and its calculation formula are given.
分析了支路断开对系统节点电压及线路负荷的影响，给出安全裕度概念和计算公式。 - 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.
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。 - Composite Wing Structure Dynamics Design Subjected to Requirements of Natural Frequency and Position of Nodal Line
满足固有频率和振型要求的复合材料翼面结构动力学设计 - Based on the nodal admittance equation of transmission line, a new method of fault location with two-terminal asynchronous sampling data is proposed.
基于传输线节点导纳方程，提出了一种利用双端不同步采样数据进行故障定位的方法。 - Structural Dynamical Design with Demands of Natural Frequencies and Locations of Nodal Line of Modal Shape
有频率与振型节线位置要求的结构动力学设计 - Based on the nodal admittance matrix of faulty transmission line in complex frequency domain, this paper applies another numerical inverse Laplace transform ( NILT) to analyze the voltage response at the ends of transmission line.
本文应用分布参数故障传输线复频域布参数节点导纳方程和另一种数值拉普拉斯反变换方法，对故障传输线首末端电压响应进行了分析。 - A semi-analytical finite element method based on nodal line displacement
基于结线解析函数的半解析有限元方法 - The method presented here has greatly improved the adaptability of spline subdomain method and developed its applied range, for the nodes can be set arbitrarily in the longitudinal direction and each circumferential nodal line.
该模式可沿子午向与环向各结线任意设取结点，亦即不同环线可以有不同的结点数，从而大大提高了样条子域法的灵活性，拓宽了其应用范围。 - Based on parameters of per unit length of transmission line, the length of transmission line and series capacitances, the distributed nodal admittance equation of transmission line with series capacitors are obtained.
根据传输线长度单位、长度参数和串联电容推导了带串联电容传输线的分布参数节点导纳方程。 - It is proved that the saddle points and nodal points along separation line appear alternately, i.e.two saddle points ( or two nodal points) can not directly connect each other along separation line.
文中研究了分离线上奇点的分布规律，指出分离线上鞍点的总数或与结点的总数相等，或者差一个，且鞍点和结点是交替相间分布的。 - In addition, the loop type and Q θ node type are defined. The loop and node types are transformed so as to regulate the injected nodal active powers and to control the line flow which limit is violated.
并且定义了回路类型和Qθ节点类型，当支路潮流越限时，通过回路类型和节点类型的变换、调整相应节点的注入有功功率对越限支路潮流进行调整。 - The nodal temperature changing with time in H-shaped steel column is solved by using computer and draws the isothermal line in order to study the more ideal cooling means of H-shaped steel column.
利用计算机求出H型钢内各点随时间变化的温度，绘出等温线，以研究H型钢理想的冷却方法。 - When the plate aspect ratio close to a special aspect ratio, the nodal line will be curved. ( 2) On the basis of the previous step, study the variation of nodal line of the stripe pattern of the rectangular plate of different aspect ratios.
当板的长宽比在特殊长宽比附近时此模态的节线弯曲。2.在上一步的基础上，进一步研究了不同长宽比矩形板条纹模式的节线变化规律。 - And found that nodal line of different vibration modes with surface incentives has different impact.
研究了面激励对矩形板不同模态振型的影响，发现不同的振动模态受面激励的影响是不同的。 - Nodal line of the rectangular plate has two directions.
矩形板的节线有两个方向。 - Rectangular plate with different aspect ratio may have different mode shapes. Some nodal line was straight line, and some were bent type.
并且有的节线呈直线型，有的呈弯曲型。而且矩形板的长宽比不同时对应的各个模态振型还不同。 - However, in practical applications, the nodal line of rectangular plate is often curved.
但在实际应用中，矩形板的振型节线常常是弯曲的。 - Obtained the variation of the nodal line of rectangular plates with different aspect ratios.
得到了改变长宽比时矩形板节线的变化规律。