查询词典 generated subspace
- 与 generated subspace 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The whole state space is divided into invariant subspace, safe subspace, dangerous subspace and dead subspace according to the constraints and the safe margin of the system, and the state reference trajectory is chosen with respect to the subspace in which the state prediction lies in, in this way GPC is applied under the prerequisite for the viability of the system.
研究了系统在线性不等式约束条件下的预测控制问题,将广义预测控制算法化为对控制量的一步优化,根据约束条件和输出预测在线修改控制量的加权系数,提出了一种变加权系数的改进算法,使系统始终满足给定的约束条件。
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At first, some properties in the sampling subspace are classified. Then, that the subspace spanned by the translation of a function is also a subspace is proved in the shift invariant subspace.
首先通过Zak变换刻画了抽样空间的一些性质,然后证明了在一个平移不变的抽样空间中,由其中任一个函数的整平移所张成的子空间也是抽样空间。
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In chapter 2, first of all,we characterize subspace V_0 of multiresultion analysis {V_j}_~ based on invariant subspace. Subsequently, we consider the equivalent conditions among orthogonal multiwavelet Ψ=(Ψ_1,Ψ_2,...Ψ_r)~T, subspace, basis and dimension of subspace, properties of filter function matrix P are dealt with.
第二章讨论了多尺度分析{V_j}_~中子空间V_0的性质,进而讨论了多尺度分析生成的多重正交小波Ψ=(ψ_1,ψ_2,…,ψ_r)~T和子空间V_0以及基和维数之间的等价关系,分析了滤子函数矩阵P的性质,最后给出了r阶矩阵函数P生成尺度函数Φ的充分条件。
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This thesis mainly discuss following issues, Theory and simple expressions for array covariance matrixes are derived when angular spread functions are symmetric distribution functions, i. e. the Uniform distribution, the Gauss distribution, the Laplace distribution and the Von Mises distribution, and a non-symmetric distribution function, i. e. the Gamma distribution. And the relation between the effective signal subspace and the array number, or and the nominal angle of the distributed source, the angular spread, the distributed functions, and the Signal-to-Noise Ratio is gained. The dimension of the effective signal subspace increases with increment of the array number. And it is more obvious to the non-symmetric distribution. The dimension of the effective signal subspace decreases with increment of the nominal angle. And the distributed source is equal to a point source as θ=π/2. The dimension of the effective signal subspace increases with increment of the angular spread.
本论文针对阵列信号处理中广泛存在的分布源现象,主要讨论了以下问题:推导了角度分布函数分别为对称的均匀分布、高斯分布、拉普拉斯分布、Von Mises分布和非对称的伽马分布时,分布源阵列接收信号协方差阵的严格模型和简化模型,得到了单个分布源的有效信号子空间随阵元数、分布源中心角、分布角、角度分布函数和信噪比的变化规律:随着阵元数的增加,对所有角度分布函数的有效信号子空间维数也随着增加,且非对称分布函数的有效信号子空间充满整个空间的可能性更大;随着分布源中心角逐步增加,有效信号子空间维数逐步减小,当θ=π/2时,等价于点源情形;随着分布源分布角逐渐加大,有效信号子空间维数也随之增加,直到有效信号子空间充满整个空间;随着信噪比的增加,有效信号子空间维数有一定程度的减少。
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In order to make the new recursive method convergence fast, the RLS-like forgetting factor is introduced to construct the new data Hankel matrices. In the framework of subspace methods, the gradient type subspace tracking method is used to implement the update of the state subspace, which results the unbiased estimate. Different from traditional offline method, the system matrices are recursively computed using RLS method. The convergence analysis of the proposed method is given and finally, the efficiency of this method is illustrated with a simulation example.A new closed-loop identification method is proposed to implement consistency estimation of closed-loop subspace identification.
引入RLS-like遗忘因子机制构造新的数据矩阵,更好地跟踪系统时变信息,提高递推算法的收敛速度;在子空间辨识框架内,采用梯度型子空间跟踪算法实现对状态子空间的更新,避免了子空间近似带来的估计有偏性;与传统的离线算法不同,在得到系统状态子空间后,基于递推最小二乘方法提出新的算法,实现对系统矩阵的递推估计;并给出递推子空间辨识算法的收敛性分析;最后通过仿真实例验证算法的有效性。
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An iterative factorization method based on linear subspace for projective reconstruction is presented in the paper. It relies on the facts that the rows in the matrix including all the image points span the same linear subspace as the rows in the matrix including space points and the fact that any basis of the subspace can be regarded as projective reconstruction. The projective reconstruction and the depth factors are obtained based on linear iteration.
摘要该文提出了一种基于子空间线性迭代的射影重建方法,该方法利用所有的图像序列构成的行向量生成的线性子空间之和与射影重建结构点构成的行向量生成的子空间是同一线性子空间及在该子空间中任何一个基底都可以作为射影重建的特性,线性迭代地求取射影重建及图像深度因子。
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The former uses Eigen-associative Learning algorithm to learn various facial expressions according to a face image with neutral expression. The latter is a two-level fusion approach which combines local linear and global nonlinear subspace learning. Amongst, the local linear subspace learning adopts eigen-representation technique for video sample compression in temporal domain; the global nonlinear subspace learning synthesizes optimized facial expressions in spatial domain.
前者采用特征关联学习算法根据一幅中性表情人脸图像合成具有其它表情的人脸图像;后者是一种结合局部线性和全局非线性子空间分析的两层融合方法,其中局部线性子空间学习采用特征表示技术在时间域对视频样本进行压缩、全局非线性子空间学习在空间域内产生优化的人脸表情。
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A method based on the orthogonal property between signal subspace and noise subspace is proposed for robust adaptive beamforming. The robustness would be achieved by projecting the signal steering vector and the null constrain steering vector on signal subspace followed by LCMVB.
针对此情况,基于信号子空间与噪声子空间的彼此正交特性,对存在误差的信号导向矢量和干扰导向矢量,同时向信号于空间投影,然后对投影后的导向约束采用LCMV准则进行自适应波束形成。
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In this paper, some decision theorems are suggested about the matrix orthogonal problem on the subspace of the finite dimensional Euclidan subspace. In addition, some concise results are obtained by matrix representation of the orthogonal complement and injection of vectors on the subspace.
利用向量组的Gram矩阵和向量的坐标矩阵对有限维欧氏空间中子空间的正交性给出了矩阵判定条件,对子空间的正交补及向量在子空间上的内射影给出了矩阵表示,获得了一些简捷有用的结果。
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Looking upon the patches of face images as some specific class of signals, their eigen-subspace can be found by Principal Components Analysis, and the super-resolved facial patches are regularized in the orthogonal complement of the eigen-subspace. This eigen-subspace based regularization is combined with the classic reconstruction constraint under a Bayesian framework to produce the high-resolution outcome.
将人脸图像块看作一些特定信号类,利用主成分分析计算训练人脸图像块的特征子空间;并将传统的"重建约束"与人脸图像块的"正交补特征子空间约束"统一在贝叶斯框架下,提出一种人脸图像SR的规整化方法。
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- 推荐网络例句
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The network space is the typical form of abstract space when it comes to the digital stage.
网络空间是抽象空间数字化阶段的典型形式。
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The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.
公证制度作为我国司法证明制度,既是社会信用体系的建设者,同时也是社会信用的捍卫者,在诚信中有其特殊的价值和功能。
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"He'll never love you as much as you love him," Ben pronounced.
"他永远不会像你爱他那样爱你。"本说。