查询词典 vector subspace

The idea of operation in beam-space and coherent subspace method were introduced into acoustic vector array signal processing.

把声压阵的波束域高分辨算法的思想和相干子空间方法的思想引入到声矢量阵列信号处理，在MichaelZoltowsk提出的矢量阵的数学模型的基础上推导出了声矢量阵波束域宽带聚焦MUSIC算法，并作了计算机仿真研究。

In this paper, the DOA-matrix subspace method is extended for DOA estimation with an array of electromagnetic vector sensors.

DOA矩阵法是一种二维波达方向估计方法，该方法具有分辩率较高、计算量较少的特点。

In the thesis some vital identities with binomial coefficient are given with their combinatorial proof, and the q-analogues of some identities are offered with corresponding combinatorial proofs on the subspace-lattice. Especially, one remarkable result is that a new q-analogue of the cube-sums identity is obtained with its combinatorial proof over the vector space.

本文给出了一些重要的二项式系数恒等式的组合证明或组合解释，并从向量空间角度给出了一些恒等式的q-模拟及组合证明，其中突出的成果是给出了立方和恒等式的一个新的q-模拟及组合证明。

An incremental-iterative method based on the Newton-Raphson method combined with constant arc length of incremental displacement vector is employed for the solution of nonlinear equilibrium equations. The subspace iterative method is used for the solution of natural frequencies and vibration modes for the free vibration of beam structures.

本研究推导元素的节点惯性力时，先将元素扰动位移表示成当前固定元素座标的扰动位移和旋转之函数，故可直接求得元素的节点惯性力，元素的一致性质量矩阵可由元素节点的惯性力对元素节点的加速度微分求得。

Gabor filter could better extract the local features of images because of its selectivity on scale and orientation, and it is robust to variances of lighting, pose and expression. The common vector is a linear subspace classification method, which can obtain good classification results by extracting the common property of each class training samples.

Gabor滤波器因其良好的方向与尺度选择性，能很好地提取图像局部特征，对光照、姿态、表情变化有一定的健壮性；共同向量方法是一种线性子空间分类方法，利用提取的同类样本的共同属性对测试样本进行分类，在训练样本较少的情况下能够取得较好的分类效果。

For solving this nonideal problem, the orthogonality between the directional vector and the noise subspace with the same frequency can be used to establish a cost function. After finding the appropriate solution with the minimum cost function value through different optimization methods, the LCMV algorithm can use the result to calculate the optimum weight.

为了解决这项在波束成型上的非理想问题，我们利用了宽频信号的方向向量会和同频率的杂讯子空间正交的特性[4，5]去建立一个目标函数，利用不同的最佳化方法找出适当的解，再带入LCMV演算法中算出最佳权重。

SVD can reflect the algebra character of the image effectively, and then through SVD operation on vehicle image matrix which includes singular value dimensionality reduction and singular value vector compositor, the feature subspace for recognition is established.

奇异值分解是基于代数特征的特征提取，经过对车辆图像矩阵的奇异值分解，再经过奇异值降维压缩和奇异值矢量排序，最后建立了用于识别的特征子空间。

The left singular vector of the projection has been tracked by the projection approximation subspace tracking algorithm. Then the modal parameters are obtained by least square method. At last an experiment is made using a cantilever beam to prove the efficiency and stability of the method by changing the frequency band of the exciting signal.

通过子空间跟踪算法，不断跟踪计算投影的左奇异值向量，再利用最小二乘法求出系统的模态参数，最后用悬臂梁作为实验模型，通过不断改变系统激励的频带范围，验证方法的有效性及稳定性。

A construction of authentication codes with arbitration from subspace of vector space over finite fields is presented, the parameters of the code are computed.

摘要利用有限域上向量空间的子空间构作了一个具有仲裁的认证码，计算了这个码的参数。

This method is the combination of Simulation results are presented that demonstrates the performance of the new methods and compare it with two recently developed methods: Cumulant Enhancement and the All Vector Orthogonal Subspace.

本文提出了一种新的线性代数方法—累计量增强全矢量正交子空间方法，用于非最小相位滑动平均模型的建模。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。