imaginary axis
英 [ɪˈmædʒɪnəri ˈæksɪs]
美 [ɪˈmædʒɪneri ˈæksɪs]
网络 虚轴
双语例句
- The vertical axis is therefore called the imaginary axis.
因而纵轴称为虚轴。 - It can pitch nose-up or down about an imaginary line stretching from wing-tip to wing-tip& its lateral axis.
它可以绕着一个从左翼尖连到右翼尖的虚轴来完成俯或仰，这个轴就是横轴。 - When an air jet is allowed to expand freely, the moving air is contained within an imaginary cone whose axis is coincident with that of the air jet.
当一股气流自由膨胀时，运动着的气流构成一个假想的圆锥体，其轴线与气流的轴线相重合。 - The geometrical concept is to make a lot of parallel lines of the imaginary axis in the complex plane, and to decide the points which satisfy both the root loci and the parallel lines by the computer.
其几何意义是，在复平面上作一系列平行于虚轴的直线，用计算机求解这一系列直线与根轨迹的交点。 - In H-infinity control theory and control system design with the theory, the quadratic integration function defined on imaginary axis is often decomposed into analytic functions on right half-plane and left half-plane respectively.
在H∞控制理论及应用其理论进行设计中，经常用到结论：在虚轴上定义的平方可积函数分别与在开左、右半平面解析且一致平方可积函数的相互对应关系。 - But eigenvalues of power system are far from imaginary axis and strong damping is obtained when fast excitation system is added.
但是在同时附加励磁控制的情况下，快速励磁可使系统的机电模式根轨迹远离虚轴，机电模式阻尼较大；强阳性（++），积分>4分。 - The symmetric values about the imaginary axis of zero-poles which the unstable process lies in the open and closed right-half plane are defined as their mirror-injection.
非稳定过程在开右半平面的零极点关于虚轴的对称值称为该零极点的镜像映射。 - For certain random Dirichlet series of order ρ ( 0 < ρ < ∞) in the right half plane, almost surely every point on the imaginary axis is a Borel point with no exceptional small functions.
对于右半平面上的ρ（0<ρ<∞）级随机Dirichlet级数，它几乎必然以虚轴上每一点为其没有例外小函数的Borel点。 - The selection of weighting function matrixes and the controller design method for a plant with a pole on imaginary axis is discussed in detail.
详细讨论加权函数阵的选取方法，以及被控对象模型中含有一个积分环节控制器的设计方法。 - In this paper, using imaginary axis we give new inclusion region of singular values of matrix, which improves corresponding results of [ 1]-[ 2].
本文主要从虚轴的角度确定矩阵奇异值的包含区间，改进了[1]～[2]之相应结果。 - Specially, in Hilbert spaces, some necessary and sufficient conditions are given in terms of the uniformly square integrability and uniform boundness of the resolvent on the imaginary axis respectively.
特别是在Hilbert空间中，可分别用预解式在虚轴上的一致平方可积性和一致有界性刻画系统的小时滞鲁棒稳定性，并很容易得到已有的一些结论。 - The paper studies pole placement of singular system by state-space techniques, then develops general statements for comparison of transfer functions of singular system in the sense of quadratic forms on the imaginary axis by frequency domain method and researches disturbance rejection in singular system by method of geometry.
用频率域方法研究了奇异系统传递函数在虚轴二次型意义上的比较理论；用几何方法研究了奇异系统的干扰解耦问题。 - During a change of flight condition, the model P is unstable and is characterized by the dynamic uncertainty, and the P-1 contains the pole points in imaginary axis.
飞行条件变化时，该对象模型P不稳定，且模型存在动态不确定性，P~（-1）含虚轴极点。 - An approximate method to analyze the imaginary kingpin axis in five-link suspension systems
确定五连杆悬架虚主销轴线的近似数值方法 - Because the imaginary axis are in the resolvent set, the system is asymptotic stability.
通过证明虚轴上没有谱点，得到了系统的渐近稳定性。 - At the same time, we make the university Campus on domestic role of the common border into analysis of specific issues specific analysis, thus made real axis and imaginary axis forms in the border into the concept.
与此同时，对国内大学多校区共同作用的边界进行归纳分析，对具体问题进行了具体分析，并由此提出了实轴和虚轴边界形态的概念。 - Closed-loop system transfer function of inner current loop has the right half plane zero and close from the imaginary axis, so that the control system Q value is larger and the setting time is longer. It lags the system harmonic compensation time.
系统电流内环闭环传递函数中存在右半平面零点且距虚轴较近，这样造成控制系统Q值较大、调节时间加长、系统谐波补偿滞后。