invariant

adj.

1. 不变的；恒定的
   always the same; never changing

1. The speed of light is an invariant constant.
   光速是一个不变常数。
2. 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）。
3. 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。
4. Because all of the invariant tasks are executed you can save this image in your private catalog.
   由于执行了所有这些非变量任务，所以您可将此映像保存到您的私有目录中。
5. First we extract color moments, texture features and affine invariant moments from the2D view images of3D objects.
   首先从三维物体的二维视图中提取颜色矩、纹理特征和仿射不变矩。
6. The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function.
   仿射变换后的汉字或其它图像可用多尺度小波的仿射不变函数进行对比识别。
7. 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。
8. The concept of vector relative degree is given, and the invariant property of vector relative degree is obtained.
   首先建立了非线性奇异系统的向量相对阶的概念，并给出了系统的向量相对阶的反馈不变性。
9. 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。
10. Scale Invariant Feature Transform ( SIFT); differential multiplication; dynamic background; moving object detection;
    尺度不变特征变换算法；差分相乘；动态背景；运动目标检测；
11. This paper probes into invariant and normal form of matrix and its application to matrix theory.
    探讨了矩阵的不变量、准形及其在矩阵理论中的若干应用。
12. This paper puts forward a new method of invariant texture classification for remote sensing image.
    本文提出了一种遥感图像旋转不变纹理分类的新方法。
13. 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
14. 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。
15. 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。
16. Abstract An improved image recognition and registration algorithm based on convex hull and affine invariant was presented.
    提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。
17. 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。
18. 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
19. A new GM ( 1,1) model is given based on response invariant method.
    基于响应不变法，提出了一种新的GM（1，1）模型。
20. 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。
21. The first invariant of strain is independent of the coordinate system being used.
    第一应变不变量与所用的坐标系无关。
22. 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
23. 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。
24. 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。
25. It is presented that one hierarchical method based on invariant feature for object recognition and location in complex background.
    提出利用目标的局部特征不变量，在复杂背景下对目标进行识别和定位的层次方法。
26. It is an effective method to use the invariant moment features for target recognition.
    利用图像的不变矩特征进行目标识别是一种有效的方法。
27. 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。
28. 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。
29. 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。
30. 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。

noun

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

adj

1. unvarying in nature
   1. maintained a constant temperature
   2. principles of unvarying validity

   Synonym:    changelessconstantunvarying

2. unaffected by a designated operation or transformation