invariant

英 [ɪnˈveəriənt]

美 [ɪnˈveriənt]

adj.  不变的; 恒定的

复数：invariants　

BNC.26080 / COCA.27422

牛津词典

adj.

• 不变的；恒定的
  always the same; never changing

英英释义

noun

• a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it

adj

• unvarying in nature
  1. maintained a constant temperature
  2. principles of unvarying validity
  Synonym:changelessconstantunvarying
• unaffected by a designated operation or transformation

双语例句

• An improved de-noising arithmetic is put forward by combining the new threshold function and translation invariant wavelet de-noising method.
  将这种新的阈值函数与平移不变小波去噪法结合起来，提出了一种基于平移不变小波去噪的改进算法。
• Invariant corner features are often used in pattern recognition.
  拐点特征是模式识别中经常用到的一类不变量。
• It contains an invariant& that the lower bound is always less than or equal to the upper bound.
  它包含了一个不变式&下界总是小于或等于上界。
• The experimental results demonstrate that this method is invariant to rotation without relying on the center of the fingerprint.
  实验结果表明，该算法不依赖指纹的中心点，具有旋转不变性。
• Invariant corner detection is a most important preprocessing step for image shape classification and recognition.
  在图像形态分类与识别系统中，不变性角点检测是很重要的预处理环节。
• The invariant set and attractor for a class of non-autonomous delay differential system are investigated in this paper.
  研究了一类非自治时滞微分系统的解的不变集与吸引集。
• By making use of the basic invariant, the squeezed states and squeezed number states for this time-dependent system are also constructed.
  文中研究了广义含时谐振子系统的不变量和不变量的一般形式，并利用基本不变量构造了此含时系统的压缩态和压缩数态。
• Rotation Invariant Analysis Approach to Texture Image Classification Based on Radon Transform and Bispectrum Analysis
  一种基于Radon变换和双谱分析的纹理旋转不变性分析方法
• Determining Set and Sampling Theorem in the Shift Invariant Subspace
  有决定集和平移不变子空间中抽样定理
• The invariant tensor under projective transformations of semi-symmetric metric-recurrent connections is obtained.
  给出了半对称度量循环联络在射影变换下的不变张量。