零空间

líng kōng jiān
  • null space;kernel
零空间零空间
零空间[líng kōng jiān]
  1. 基于白噪声滤波技术及零空间约束的单频GPS模糊度解算方法

    A method fo ambiguity resolution for single frequency GPS receivers based on whitening filter technique and null space constraint

  2. MonteCarlo技术估算静校正时产生零空间的原因及解决方法

    The reason why null space occurs in statics estimation using Monte Carlo technique , and the solving method

  3. 针对非专用全球定位系统(GPS)导航型接收机,利用零空间约束动态求解GPS初始整周模糊度。

    This paper proposed an efficient on-the-fly ambiguity resolution algorithm using non-dedicated GPS receivers .

  4. 零空间约束加强的多用户MIMO检测技术

    Detection Algorithm Based on an Enhanced Null-Space Constraint for Multi-User MIMO Systems

  5. 利用零空间约束的GPS双差整周模糊度动态求解

    On - the - Fly Ambiguity Resolution Based on Null Space Constraints of GPS Double - Differential Carrier Phase

  6. 零空间矢量和PWM开关频率对异步电机噪声的影响

    Influence of Zero Space Vector and PWM Switching Frequency on Acoustic Noise of Induction Motors

  7. 对称零空间准则下的LDA特征抽取方法

    Feature Extraction Method of LDA Based on Symmetrical Null Space Criterion

  8. 例如,如果有零空间是有限维的紧算子属于约化代数的换位u′,则u′是自伴代数。

    For example , if zero-space is the commutant u ' of finitely dimensional compact operators belonging to a reductive algebra , u ' is a self-adjoint algebra .

  9. 利用MonteCarlo技术估算静校正时总会出现零空间现象,即炮点静校正量或检波点静校正量作相同时移。

    In statics estimation using Monte Carlo technique , there always occurs null space phenomenon , namely equal time shifts for shot-point static correction or receiving-point static correction .

  10. Fredholm算子零空间维数扰动不变的特征

    A Characteristic for the Stability of the Dimensions of the Null - spaces of Fredholm Operators

  11. 实验证明,该方法可消除零空间现象,避免了叠加能量退化,加快了收敛速度,较好地保证MonteCarlo技术搜索到全局最优解。

    It is experimentally proved that the method removes null space , avoids degenerative stack energy , speeds convergence and makes Monte Carlo technique result in global optimal solution .

  12. 该算法利用一组四阶累积量矩阵的零空间把一个未知MIMO信道的冲激响应辨识成一个常的单项矩阵。

    This algorithm utilizes the common nullspace of a set of fourth-order cumulant matrices to identify an unknown MIMO channel impulse response up to a constant monomial matrix .

  13. 通过零空间核鉴别分析提取多视耳朵的非线性特征以构建鉴别特征空间,在此空间内利用B样条构建耳朵的姿态流形。

    We first adopt null subspace kernel discriminate ( NKDA ) method to extract multi-view ear non-linear features and form a discriminative space . Then in this space , we utilize B-Spline interpolation to construct all subjects ' pose manifolds .

  14. 该方法首先得到信号的零空间,然后借助于各用户中的已知短序列,采用LMS算法得到各用户信号的估计。

    The first is to estimate the zero space of multi-users signals . The second is to estimate them using LMS method and some short sequence , which is always known in digital communication system .

  15. 它们是零空间并行方法,Greville并行算法和分而治之并行算法。

    They are null space parallel algorithm , Greville parallel algorithm and divide and conquer parallel algorithm .

  16. 然后把这种新的零空间法与F-LDA(FractionalLDA)算法相结合,得到一种对人脸识别更有效的特征提取方法。

    Then , combined the new null space method with F-LDA ( fractional LDA ) algorithm , a completely new feature extraction algorithm for face recognition was given .

  17. 结合零空间法和F-LDA的人脸识别算法

    Face recognition combining the null space approach and the fractional LDA

  18. 首先用零空间约束法确定搜索空间,然后用CTS搜索整周模糊度的最优解。

    First , a null-space restriction is used to define the searching space , and then , CTS is applied to search the optimal result of the integer ambiguity in the searching space .

  19. 通过Poincare映射图和采用最大Lyapunov指数方法,对平面3R刚性冗余度机器人零空间运动状态(规则或混沌运动)进行了数值模拟,获得了它的自运动状态与其零空间中的矢量之间的关系。

    Using Poincare maps and Lyapunov exponents , the motion state ( regular or chaotic motion ) of the redundant robot was numerically simulated , and the relationship between its self-motion state and its vectors in the null space was obtained .

  20. 为求解大规模问题,采用等式约束的Jacobian矩阵的QR分解和两块校正的双边既约Hessian矩阵投影,将问题分解成零空间和值空间两个信赖域子问题。

    In order to deal with large problems , QR decomposition of the Jacobian for equality constraint and a two-piece update of two-side projected reduced Hessian are performed into a pair of trust region sub-problems in horizontal and vertical subspaces .

  21. 为了提取比LPP更具鉴别能力的特征,首次提出了零空间鉴别保局投影人脸识别算法(NDLPP)。

    To extract features that have more discriminative power than LPP features , the dissertation proposes a null space discriminant locality preserving projections ( NDLPP ) algorithm for the first time .

  22. 该方案通过复杂度较低的矩阵零空间运算来获得次优的发射处理矩阵,当总用户数等于系统的最大活动用户数上限时该方案能渐进地获得最优DPC方案的和速率。

    The Block ZF-DPC adopts sub-optimal transmit processing matrices calculated by simple matrix null space operations . The Block ZF-DPC scheme can asymptotically achieve the sum rate of the optimal DPC scheme if the number of users equals to the upper bound on the active users .

  23. 其中主要是采用投影梯度技术,通过计算约束条件中矩阵A的零空间的基底,使得实施过程中所选用的方向集是R~(n-m)中的一个正跨越集。

    The method mainly adopts the projected gradient technique . Through calculating the fundus of the null space of matrix A in the constraint , the direction set becomes a positive spanning set of R ~ ( n-m ) .

  24. 由此出发,证明了只要得到多项式矩阵[C'(zI-A)']'的左零空间的基,则可得到所有的误差检验式;

    Then it is proved that all parity checks can be generated from the basis of the left null space of the polynomial matrix [ C ' ( zI-A ) ' ] .

  25. 根据零空间基和M-P广义逆理论,推导了结构非线性增量平衡方程极值点与非临界点解的统一形式,并直接表示为增广矩阵零空间基的形式。

    Based on the basis of null space and M-P inverse theorem , a unified incremental solution formulae , expressed as the null space basis of the augmented matrix , were firstly formulated herein for the incremental equilibrium equation at the limit point and non-critical points .

  26. 之后,他们又在该算法基础上提出了零空间追踪算法。

    And then they put forward the Null Space Pursuit algorithm .

  27. 一般二次规划问题的交换型零空间方法

    An exchange type null space method for general quadratic programming problems

  28. 矩阵函数零空间中的连续正交基及其应用

    Continuous Orthonormal Basis in the Null Spaces of Matrix Functions

  29. 赋范空间上紧线性算子零空间的性质

    Naught space properties of compact linear operator in normed space

  30. 计算二维零空间的非线性分歧问题的新途径

    A new approach to solving nonlinear bifurcation problems with two-dimensional null space