中心对称

  • 网络central symmetry;point symmetry
中心对称中心对称
  1. 一类由中心对称原子生成的Hardy型空间

    Some Hardy Spaces Generated by Central Symmetry Atoms

  2. TLP的艏摇运动也值得关注,由于平台呈中心对称,在180°和225°浪向角下艏摇计算值很小,而在模型试验中却测出了较为明显的艏摇运动。

    The numerical results of yaw motion is small under wave direction of 180 deg and 225 deg because of central symmetry . However , more obvious yaw motion is observed in experiment .

  3. 另外,当A或P为斜中心对称矩阵时也有相似的结论。

    And similar ( conclusions ) are obtained for the computation of the products of skew ( centrosymmetric ) matrixes .

  4. 它将输入叉指换能器激发的SAW中心对称分成两路并由各自的输出叉指换能器检测输出。

    SAW excited by input interdigital transducer is divided centrosymmetrically into two paths detected by their output interdigital transducer .

  5. 使用基本Hough变换进行椭圆的检测与提取,利用形状在投影时各投影区间中点是否在一条有效的正弦曲线上来检测形状是否具有中心对称性;

    The basic Hough transform is applied to the detection and extraction of ellipses .

  6. 采用Q2randomwalk方法设计了一个新型的双中心对称的电流矩阵,确保数模转换器的线性度。

    In order to ensure the linearity of the DAC , a double Centro symmetric current matrix is designed by the Q2 random walk strategy .

  7. 考虑中心对称配体场影响,提出一种不同基混合的束缚态过渡金属离子的3d径向波函数。

    Taking the effect of centre symmetric ligand field into account , we have proposed 3d-radial wave function which is in the bound state and consists of different bases .

  8. 用均匀中心对称阵二维酉ESPRIT方法实现闭环形式二维角估计

    Closed-Form 2-D Angle Estimation via 2-D Unitary ESPRIT with Uniform Centro-Symmetric Array

  9. 提出了一种处理弱非中心对称Abel变换的新方法。

    A new method is presented for dealing with weakly asymmetrical Abel inversion in this paper .

  10. 研究各种符号定时同步算法在不同信道模型下的性能,针对Park算法中定时度量式要求训练帧中心对称的缺点,提出一种改进算法,该算法重新定义了定时度量式。

    The performance of different symbol timing synchronization techniques under a variety of mobile channel models is investigated and a novel synchronization algorithm is presented to overcome the shortcomings of the synchronization algorithm proposed by Park .

  11. 偶数阶反中心对称矩阵的Drazin逆

    The Drazin Inverse of Even Order Anti-centrosymmetric Matrices

  12. 中心对称矩阵的Drazin逆

    The Drazin Inverse of a Centrosymmetric Matrix

  13. 求解非中心对称晶体结构的人工相位退化法(Ⅱ)&试解P21空间群含重原子的复杂晶体结构

    Artificial phase degeneration in the determination of non-centrosymmetric structures (ⅱ) & an example of solving a complex heavy atom containing crystal of space group p2_1

  14. 冻结场的分布和历史及激发场的分布紧密相关。冻结场可以不是中心对称的,这进一步证明了烧结的Nb3Sn材料是非均匀介质。

    The " frozen " field distribution is closely related to the external field distribution and previous history .

  15. 经X衍射单晶结构测定,晶体为中心对称结构,空间群为Pnab;

    The results determined by x ray single crystal diffraction show that the supermolecular crystal is a centrosymmetric structure with a space group Pnab .

  16. 利用次准对角阵指标的性质,给出了偶数阶反中心对称矩阵Drazin逆的一种计算方法。

    By using the property of the secondary quasi diagonal matrix 's index , a computational method of the Drazin inverse of even order anti centrosymmetric matrices is given . [ WT5HZ ]

  17. 我们基于著名的生理学模型Mackey-Glass演化方程设计了一个多卷混沌发生器。在该发生器中,我们采用中心对称的分段线性函数作为系统的激活函数。

    We have presented a multi-scroll chaotic generator based on famous physiological Mackey-Glass evolution equation , in which centrosymmetric piecewise linear function is employed as the activation function .

  18. Toeplitz型矩阵及与之密切相关的Vandermonde型矩阵、Loewner型矩阵、循环分块矩阵和广义中心对称矩阵等,是应用最广泛的特殊矩阵类之一。

    Toeplitz type matrices and Vandermonde type matrices , Loewner type matrices , circulant partitioned matrices and generalized central symmetric matrices , which are nearly correlative with Toeplitz type matrices , belong to one of widely applied special matrices kinds .

  19. 证明中心对称三次系统的一类双纽线有界周期环域的poincare分支至少可以出现作对称(3,3)分布的六个极限环。

    In this paper , we proved that the Poincare bifurcation of a class of double folium curve bounded periodic ring region in a central symmetry cubic system can appear at least six limit cycles which are formed by the central symmetry in ( 3,3 ) .

  20. 楔形自扫描光电二极管列阵(CSSPA)是一个直接用于接收中心对称谱分布的二维空间光能量传感器。

    The Cuneal Self Scanning Photodiode Array ( CSSPA ) is a 2-D spatial light energy sensor directly used for receiving central symmetric spectral distribution .

  21. 论文基于对马尔可夫定位方法的研究分析,通过引入角度高斯分布函数,提出角度蒙特卡罗法(AMCL),改进蒙特卡罗方法(MCL)处理中心对称环境的自定位能力;

    However , in a symmetrical environment a robot using distance detector cannot find its position by means of Monte Carlo localization alone . A modified algorithm via using an angle Gaussian distribution method is proposed in this thesis to solve this problem .

  22. Eu3+的发射主峰位于614nm,为5D0→7F2的电偶极跃迁,表明Eu3+处于非中心对称格位,即取代Sr2+的位置。

    The maxima of the Eu3 + emission band , which is an electronic dipole transition , are located at 614 nm originating from 5D0 → 7F2 of Eu3 + . This reveals that Eu3 + is located in non-center symmetrical lattices .

  23. 具有二次代数极限环线的中心对称的三次系统

    A Central Symmetry Cubic System with a Quadratic Algebra Limit Cycle

  24. 对称的广义中心对称矩阵逆特征问题的最佳逼近

    The Best Approximation of Inverse Eigenproblem for Symmetric Generalized Centro-symmetric Matrices

  25. 成中心对称的连续函数的重积分

    The heavy integral of the successive function of central symmetry

  26. 中心对称结构的动力模型修正问题。

    The centrosymmetric structural dynamical models updating were studied in the paper .

  27. 中心对称式减速机出轴系统的振动分析

    Vibration Study on Output Shaft System of Central Symmetric Reducer

  28. 中心对称与反中心对称矩阵的一类反问题

    A class of inverse problems for the centrosymmetric matrices and anti-centrosymmetric matrices

  29. 广义中心对称矩阵平方根的快速算法

    The Fast Algorithms of Square Roots of Generalized Centrosymmetric Matrices

  30. 一阶径向偏振光偏振态在光束截面呈中心对称分布。

    The first order radially polarized beam is with cylindrical symmetry in polarization .