invariant是什么意思？

invariant

英[ɪnˈveəriənt] 美[ɪnˈveriənt]

• adj. 无变化的，不变的；
• n. 不变式，不变量；

例句

• Then an improved method, namely translation invariant de noising was proposed. 在此基础上,探讨了对传统的阈值方法的改进, 即平移不变小波变换去噪法.
• A multi - distorted invariant orthogonal moments, Jacobi - Fourier moments ( JFM ), were proposed. 提出一种多畸变不变的正交图像矩: 雅可比 - 傅 立叶 矩.
• One could consider invariant properties of figures under each of the above types of transformation. 可以在上述的每一类型变换下考虑图形的不变性质.
• In other words, The Hermiticity of a matrix is invariant under unitary transformations. 换言之, 矩阵的厄密性在幺正变换下保持不变.
• For a system, Hamiltonian is invariant under any translation of spatial coordinates. 对于一体系, 哈密算符在任何空间坐标变换下是不变的.
• A rotation invariant texture classification algorithm based on log - polar and Dual - Tree Complex Wavelet Transform ( DT - CWT ) is proposed. 提出了一种基于对数 - 极坐标变换(Log-Polar )和双树复数小波变换 ( DT-CWT ) 的旋转不变纹理分类算法.

英英词典释义

• Adjective
  1. unaffected by a designated operation or transformation
  2. persistent in occurrence and unvarying in nature;
  "maintained a constant temperature""a constant beat""principles of unvarying validity""a steady breeze"

行业词典

• 数学： 不变式；不变量；