reference vector
英 [ˈrefrəns ˈvektə(r)]
美 [ˈrefrəns ˈvektər]
网络 参考矢量; 引用向量; 参考向量; 參考向量
双语例句
- Then, a reference motion vector is selected from the filtered motion vector fields by using global disparity vectors.
然后利用全局视差矢量从邻近视点已滤波的运动矢量场中选取参考运动矢量； - Thirdly, the search center is selected among the reference motion vector and spatial neighboring motion vectors.
接着从参考运动矢量以及空间相邻运动矢量中选取搜索中心； - In former times, people use wireless to broadcast the time of one end to the other end. They also use methods based on lines of communication and reference vector to realize synchronous sampling in different place.
以前采用了无线电波广播对时的方法、基于通信信道的方法以及基于参考相量的同步方法来实现同步采样，这些方法都存在自身不可克服的缺点。 - In this method, two fuzzy logic systems are used to approximate unknown functions, and the reference error vector defined is added to the input of one fuzzy logic system to compensate for the approximate errors of fuzzy logic systems.
用模糊逻辑系统逼近未知函数，并根据前一步参考误差来修正模糊逻辑系统的输入，以此对逼近误差进行补偿。 - Afterwards, the reference voltage vector could be converted into corresponding PWM signals by using SVM technique.
然后，利用SVM技术将参考电压矢量转换为相应的PWM开关信号。 - The proposed control technique, based on space vector control theory, generates eight space vectors to be chosen and the reference space vector from the three phase voltage reference signals, and then chooses the space vector nearest to the reference space vector.
这种控制方法基于空间矢量PWM控制的思想，从三相参考电压得到8个待选空间矢量和参考电压矢量，然后选择与参考电压矢量最近的空间矢量。 - In conventional SVM-DTC, two PI controllers are used to generate the two components of reference voltage vector.
传统SVM-DTC中使用两个PI控制器来产生参考电压矢量的两个分量。 - The interface between the vector control and the three-level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three-level inverter.
本文对异步电机的矢量控制与三电平逆变器之间的接口进行了详细的研究，包括：参考电压矢量的形成、所落扇区与具体小三角形区域的判断、送入逆变器之后的工作机理。 - The synthesized reference voltage vector that could exactly compensate current flux and torque errors was generated by using two PI controllers.
在SVM-DTC中使用了两个PI控制器，可以得到能够准确补偿当前定子磁链与转矩误差的参考电压矢量。 - The paper introduces the space voltage vector PWM method for three level inverter to generate PWM pulse on the basis of amplitude and phase angle of reference vector.
对基于空间电压矢量的三电平逆变器PWM算法进行了推导，用了一种根据参考电压矢量幅值和相位角的变化，来生成三电平PWM波的工作模式。 - A simplified algorithm is proposed in this paper for space voltage vector time, this algorithm directly calculates the duty cycles of space voltage vector tracking the reference voltage vector in each sector in the space vector plane in the conventional methods.
本文提出了一种简单的电压空间矢量算法，该算法根据参考电压矢量在ab坐标系上的分量直接计算电压空间矢量在各个扇区内的作用时间，简化了运算过程。 - Then, by eigen-decomposing, we propose a new method of orthogonal vector and select a proper referenced subspace to be reference the vector of projection of signature vector in the projection algorithm, such as the orthogonal subspace of the mean image signature vector.
继而，给出一种新的正交向量的求解算法，通过特征分解，选择合适的参考子空间，如图像特征向量均值向量的正交的子空间，作为投影算法中特征向量投影的参考向量。 - This paper introduced a universal fast SVM algorithm based on 60 ° coordinate, which can easily get the three nearest vectors around the reference vector and their dwelling time.
该文介绍了一种基于60°坐标系的通用SVM快速算法，可迅速得到参考矢量的最近3个空间矢量及各其各自作用时间。 - The torque fuzzy controller has two inputs ( torque error and its change rate) and one output ( the torque component of reference voltage vector).
该转矩模糊控制器的输入是转矩误差与转矩误差变化率，输出为参考电压矢量的转矩分量。 - The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward.
对常用空间电压矢量控制策略进行分析，提出了给定参考矢量所在区间判断的简化方法，以及电压矢量作用时间的求取方法； - A simple, fast, and generally applicable multilevel space vector modulation ( SVM) algorithm is described in this paper. The complex reference voltage vector is decomposed into an offset vector and a two-level model.
为解决多电平逆变器的空间矢量调制（SVM）算法设计及实现的复杂性问题，提出了基于参考电压分解和零序电压等效的新型多电平SVM算法。 - In order to improve stable performance of the system, SVM-DTC ( DTC based on space vector modulation) is investigated. Creation method of reference voltage vector, which includes changing trend and magnitude information of flux link and torque, is presented.
为提高系统的稳态性能，进一步进行了基于空间矢量调制的直接转矩控制研究，提出了包含磁链与转矩变化趋势与大小信息的电压参考矢量生成方法； - A vector is projected from matching block image and used as the template vector, then vectors from the reference image are projected to construct a reference vector matrix.
对参考图像的搜索区进行投影，形成多个同样维数的矢量，构建一个参考矢量矩阵； - Based on this theory the reference voltage vector of a multilevel VSI is divided into two parts: base vector and two level vector. Then a new multilevel space vector modulation ( SVM) method is presented.
针对目前多电平空间矢量调制方法计算十分复杂的问题，提出了一种新型的基于参考电压矢量分解理论的多电平逆变器空间矢量调制方法。 - A reference vector algorithm for the Initial Orbit Computation
初轨计算的参考矢量法 - Gauss-Newton error minimization is used to transform six-dimentional reference vector to quaternion as a part of observations for EKF, which significantly reduces the computational requirement.
用高斯-牛顿误差最小法将六维观测量转化为四元数，作为观测量的一部分，显著减少了直接使用EKF的计算量。 - This paper also develops a fuzzy competitive learning scheme for these new reference vector parameters, and applies the algorithm to the difficult task of clustering documents.
针对新的参考向量开发了模糊竞争学习模式，并用该算法成功地解决了文献聚类的难题。 - This kind of method describes the position and attitude of objects by utilizing Cartesian coordinates of reference base points and Cartesian components of reference base vector.
这种方法是利用参考基点的笛卡尔坐标和参考基矢量的笛卡尔分量描述物体的位置与姿态。 - On the other hand, the mixed modulation algorithm uses the five-segment modulation algorithm and the characteristic quadrangle to approximate the reference vector which can reduce the switching frequency. Finally, a three-cell seven-level inverters experiment platform is set up.
另一方面，混合调制算法利用特征四边形法和五段算法逼近参考矢量减少了开关切换频率。 - The reference vector corresponding to basic vector and its role time under linear modulation mode is decided. As well as redundant switches are optimization selected by extreme value method to reduce the switching frequency.
确定了线性调制模式下参考矢量所对应的基本矢量及其作用时间；并提出了极值法对冗余开关状态进行优化选择以降低开关频率。 - Then, space vector modulation technology will convert the reference voltage vector to corresponding PWM switching signal. So it realizes continuous real-time control to reduce the torque ripple.
然后，利用空间矢量调制技术将参考电压矢量转换成相应的PWM开关信号，实现实时的控制而达到减少转矩脉动的作用。 - During the overmodulation, the new voltage vector of overmodulation strategy 2 or 3 is still in the outside of the hexagon when the original reference voltage vector is closed to the boundary of any two sectors. So the two overmodulation algorithms are not applicable in this region.
过调制中，当原参考电压矢量位于正六边形中任意两个扇区交界附近时，过调制策略2和3所得到的新电压矢量仍会超出正六边形边界，过调制算法不再适用于此区域。 - The proposed method mainly exploits two points: The first one is the introduction of a reference vector on the ground plane of the bistatic geometry, and the second one is the use of the principle of series reversion.
推导这种方法主要利用了两点：第一点是在双基SAR几何模型的地平面上引入一个参考向量，第二点是利用了级数反演原理。 - Aiming at the character of vein image; proposed a feature extraction and matching method based on line angle reference vector.
特征提取与匹配：介绍了基于点平移与计算特征点距离的匹配方法；针对静脉图像的特点，提出了基于线条角度参考值向量的特征提取与匹配方法。 - SVM-DTC is that space vector combine with direct torque control, using of two PI controllers to replace the hysteresis loop control of conventional direct torque control system, it can get an accurate reference voltage vector to compensate for the current stator flux and torque errors.
SVM-DTC是空间矢量与直接转矩相结合，采用两个PI控制器取代传统直接转矩控制系统中的滞环控制器，可以得到一个准确的参考电压矢量来补偿当前定子磁链和转矩的误差。