查询词典 vector analysis

For example, the neural network or principle component analysis techniques both use the normalized face features as training vector for recognition.

譬如经网或主成分分析，均是用正规化人脸影像当作影像特徵。

The second and more important qualification is that , for reasons explained in our earlier papers , it is inappropriate to use t-tests for the individual slope coefficients derived from the second-stage cross-section analysis as a measure of the significance of individual factor risk premia , A joint test , which can be used to determine whether the risk premia vector is null , is the appropriate one to use , although neither it nor the t-tests can indicate whether an individual factor-risk premium is significant .

第二的和更多的重要资格是那，对于理由在我们的较早文件中解释，使用 t 是不适当的-测试对于起源于如对个别因素危险 premia 的重要性的衡量第二个阶段的跨区段分析的个别倾斜系数，一个关节能用来决定危险 premia 矢量是否是无效力的测试是使用的一个适当的，虽然既不是它也不是 t-测试能指出个别的因素-危险的额外费用是否是重要的。

The course content includes ordinary differential equation, linear algebra, vector calculus, Fourier analysis and partial differencial equation partial differential equation, with the aim to train students in establishing an exact perception to the meaning of theory, calculation and experimentation.

课程内容有常微分方程，线性代数，向量微积分，Fourier 分析及偏微分方程式等章节，训练同学在理论，计算及实验间建立正确的认知及意义。

This course focus on mathematic tools such as vector calculus, orthogonal function, fourier series, fourier analysis, fourier transform and partial differential equations, etc.

此一数学工具为本课程的教学重点，包括向量微积分、正交函数与傅立叶级数、傅立叶分析与转换、以及偏微分方程等内容。

The parallelepiped classifier,minimum distance classifier,Maximum Likelihood Classifier,Neural network and,especially,the newly developed Support Vector Machines were assessed in the object-based image analysis of VHSR data. The impacts of kernel configuration on the performance of the SVM and of the selection of training data of the four classifiers were also evaluated.

对比研究了平行六面体、最近邻分类法、最大似然法、神经网络等经典分类算法以及近年来新发展的支持向量机分类算法在基于分割对象的高分辨率遥感图像分类中的性能，详细分析了不同内积核函数对于支持向量机分类的影响。

A parameter design means of power system stabilizer is proposed in this paper, which uses both smalldisturbance method and time-domain digital simulation based on analysis of phase compensation of voltage vector.

在电力系统稳定器参数的设计、优化中，研究采用了一种基于相位补偿原理，结合小扰动分析与时域数字仿真的PSS参数设计方法，以及频率响应测量与相位观测相结合的现场试验方法。

Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

建立变频液压容积调速和节流调速相结合的复合调速系统，通过分析矢量控制三相异步电机的原理，利用AMESim软件建立了矢量控制的三相异步电机的仿真模型，并与液压系统仿真模型相结合，建立了矢量控制变频液压容积节流调速系统的仿真模型。

A compound hydraulic system with variable frequency control, a throttle and variable displacement speed control was established. Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

本文将节流调速和变频液压技术有机地结合起来，以解决变频液压容积调速在大惯量、低转速、变负载系统中的应用问题，利用AMESim软件建立了矢量控制的变频液压容积节流调速系统仿真模型，并对该系统进行了性能仿真。

Based on the plane vector field method and curvature analysis, a robust algorithm of surface intersection is implemented.

本文总结了用平面向量场确定初始跟踪点的算法，给出了使用曲率分析精确计

The mechanical model of the dynamic analysis of quick-return mechanism in the planer is established by complex vector method.

运用复矢量法建立了刨床急回机构动态静力分析的力学模型。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。