不变性

bù biàn xìng
  • invariance;invariance property;constantness
不变性不变性
不变性[bù biàn xìng]
  1. 完全不变性和Robust调节器间的一些关系

    Some Relationships between the Steady-state Invariance and Robust Regulators

  2. 广义F(t)指数型二分性与扰动不变性

    The generalized exponential dichotomy with F ( t ) and its invariance of perturbation

  3. 上帝的不变性乃是我们安慰的坚固根基,鼓励我们充满著盼望,信心。

    The immutability of God is a strong ground of consolation and encourages hope and confidence .

  4. 利用曲率的几何不变性进行匹配算法研究,用动态规划(Dynamicprogramming)算法找出了匹配点的序列。

    Matching point sequences are obtained on the basis of curvature analysis by using the dynamic programming algorithm .

  5. 其次,给出形式不变性与Lie对称性的关系;

    Secondly , the relation between the form invariance and Lie symmetry is obtained .

  6. 研究了变质量非完整可控力学系统的形式不变性与Lie对称性。

    The form invariance and Lie symmetry of variable mass nonholonomic controllable mechanical system are studied .

  7. DEA模型的不变性研究

    A Study of Invariance Properties in DEA Model

  8. Banach流形上映射度的同伦不变性

    Homotopic invariant property of mapping degrees on Banach manifolds

  9. 非完整系统Hamilton正则方程的形式不变性

    Form invariance of Hamilton 's canonical equations of a nonholonomic mechanical system

  10. 最后,采用循环平移(CycleSpinning)来提高SFLCT的平移不变性,有效抑制融合图像在奇异处产生伪吉布斯现象。

    Finally , cycle spinning is applied to compensate for the lack of translation invariance property and suppress pseudo-Gibbs phenomena of fused images .

  11. 关于Noether对称性、Lie对称性和形式不变性

    On Noether Symmetry , Lie Symmetry and Form Invariance

  12. 本文导出一种新的视觉不变性描绘子&阿达玛描绘子(Hd)。

    New vision invariant descriptors , Hadamard descriptors , are derived in this paper .

  13. 关于Maxwell方程在Lorentz变换下的不变性原理

    On the invariability principle of the maxwell-equations under the lorentz-transformation

  14. ZERNIKE矩的旋转不变性及对旋转角度的估计

    Rotation invariance of Zernike moment and estimation of rotation angles

  15. Lam函数和非线性演化方程的多级准确解的不变性

    Lam è function and invariants of multi-order exact solutions among nonlinear evolution equations

  16. 提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。

    We propose a multistage SAR target recognition process based on target detection , target segmentation , target aspect estimation and invariant feature extraction .

  17. Gabor滤波器的参数涉及尺度和方向特征,具有良好的不变性。

    The parameters of Gabor filters involve scales and orientations , which guarantees the invariance of features .

  18. 重点讨论了基于形状特征的Zernike矩的描述方法,并对其不变性进行了分析。

    The description of the Zernike moments is analyzed based on its invariance .

  19. 用Zernike矩来确定字符的旋转不变性特征

    Getting the Rotation Invariant Features by Using Zernike Moments

  20. 通过对阵列天线OFDM系统接收端的信号进行分析和重构,得出其具有多重不变性。

    According to the analysis and reconstruction of the received OFDM signal with array antennas , we can find it has multi-invariant characteristic .

  21. 含临界-非临界面的量子Ising链与共形不变性

    The Quantum Ising Chain with Critical-off-Critical Interfaces and Conformal Invariance

  22. 第二步,利用Zernike矩来确定数字图像的旋转不变性特征。

    Step two , get the image 's rotation invariant features using Zernike moments .

  23. 然后重点分析了伪Zernike矩的旋转、位移及尺度不变性。

    Then rotation invariance , translation invariance and scale invariance of pseudo-Zernike are mainly discussed .

  24. 几何不变性方法可以有效地消除这种差异带给3D物体识别的不利影响。所以,近二十年来这种方法受到了广泛的关注和研究。

    But the geometric invariance method can effectively eliminate the bad effects on the recognition of 3D object , so it has been attracted attention and research effort over the last 20 years .

  25. 波导不变性:Bartlett匹配场处理的旁瓣轨迹特性

    Waveguide Invariants : The Characteristics of Bartlett Matched Field Processor Sidelobes

  26. 第五章通过量子保真度(fidelity)在输入信号的幺正变换下的不变性定义了量子二进制对称信道。

    In chapter 5 , we define quantum binary symmetric channels via the invariance of fidelity under unitary transformation of input density operators .

  27. 利用微分方程在无限小变换下的不变性条件,研究奇异Lagrange系统的Lie对称性与守恒量。

    The invariance of the ordinary differential equations under the infinitesimal transformations was used to study the Lie symmetries and conserved quantities for the singular Lagrange system .

  28. 建立形式不变性与Noether对称性之间的关系。

    The relation between the form invariance and the Noether symmetry was established .

  29. 然而,有x-y耦合项的对称化复光束却不具有这种传输不变性。

    Nevertheless , the symmetric complex beams with the xy-coupling term do not possess this propagation invariance .

  30. 研究基于彩色SIFT的无人机图像配准算法,解决了图像特征提取的几何不变性以及彩色不变性的问题。

    Color SIFT based UAV image registration algorithm addresses the geometric invariance of the image and also solve the problem of color invariance .