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
- maintained a constant temperature
- principles of unvarying validity
- unaffected by a designated operation or transformation
双语例句
- This paper proposes an image matching method based on the invariant feature of circle projection and histogram.
本文在对不变矩进行深入探讨的基础上提出了一种基于圆投影及直方图不变特征的图像匹配方法。 - 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。 - Consistency: A transaction preserves all the invariant properties ( such as integrity constraints) defined on the data.
一致性：事务保持数据上定义的所有不变的属性（如完整性约束）。 - The energy levels for three-dimensional coordinate-momentum coupled quantum harmonic oscillators are presented by using invariant eigen-operator method.
利用不变本征算符法给出了坐标-动量耦合的三模耦合量子谐振子的能级信息。 - 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。 - In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。 - This paper presents a novel object tracking method based on SIFT ( scale invariant feature transform) feature matching.
提出一种基于尺度不变特征变换（SIFT）特征匹配的目标跟踪方法。 - Application of Invariant Subspace Method to Nonlinear Partial Differential Equations
不变子空间方法在非线性偏微分方程中的应用 - 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。 - Methods The method of estimating invariant sets Hausdorff dimension of a finite collection of contraction maps was used.
方法利用压缩映射不变集的维数的估计方法。