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正则模型
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  canonical model
     Fifthly, a direct blind equalization algorithm is given based on the DT canonical model.
     提出了基于离散正则模型的直接盲均衡算法;
短句来源
     Blind Identification of CDMA Time-Varying Dispersive Channels Based on Discrete-Time Canonical Model
     对CDMA时变色散信道基于离散正则模型的盲辨识方法
短句来源
     Thirdly, the methods of blind equalization and identification of the TV dispersive channels are researched systematically based on the proposed DT canonical model, and a subspace blind identification algorithm of the time-invariantchannel matrix is developed.
     基于离散正则模型对时变色散信道进行了系统的盲均衡和盲辨识方法研究,提出了对时不变信道矩阵的子空间盲辨识算法;
短句来源
     Based on the discrete-time canonical model,a new blind identification approach for CDMA time-varying dispersive channels is proposed.
     在深入分析CDMA时变色散信道的离散正则模型的基础上,给出了一种新的CDMA时变色散信道的盲辨识方法。
短句来源
     In this paper, we developed the discrete-time canonical model of CDMA time-varying channels by sampling the channel抯 spread function in time-frequency domain.
     本文通过对时变信道的扩展函数在时频域进行正则采样,得到了CDMA时变系统的离散正则模型
短句来源
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  “正则模型”译为未确定词的双语例句
     On normal Model of Tuning Calculation for Torsional Vibration Damper
     阻尼弹性扭振减振器调谐计算的正则模型
短句来源
     The dissertation also extends it to Boolean operations for non-manifoldttmodels.
     在该算法的基摘 要础上,本文也给出了扩展到非正则模型的布尔操作算法。
短句来源
     Under p ro per conditions , there are transformations Y=Q(X), V=S (X,U) in Y-space,* and the linear tangent model is independent of the operating point.
     就多输入非线性系统,得出结论:在一定的条件下,存在变使得在Y状态空间中,线性正则模型不依赖于平衡点。
短句来源
     The ATAM is recognized as the current state of thc art with respect to formal modcls fo: gencralizcd acccss controlpolicics.
     ATAM就一般性存取控制策略的正则模型而言,已被认为是当今最流行的技术。
短句来源
     Unlike existing methods that based on basis expansion model, this new algorithm neither requires estimate of the base frequencies by higher-order statistics, nor needs the assumption of linearly varying delays across symbols, and it offers definite explanation of the coordinates.
     与基于基展开模型处理时变信道的方法不同的是,这种基于离散正则模型的盲辨识方法不需借助高阶统计量估计信道的指数基频率,也不必假设相邻符号间的时延变化呈线性关系,而且赋予了基展开坐标明确的物理意义。
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  相似匹配句对
     This improved mixing dielectric model yields an excellent fit to measured data.
     模型
短句来源
     model.
     模型
短句来源
     Boolean Operation of Non-Regular Precise Geometric Models
     非正则精确模型的布尔操作
短句来源
     SIMULATION OF THE RLW EQUATION USING A LATTICE BOLTZMANN MODEL
     正则长波方程的格子Boltzmann模型
短句来源
     On Regular K-Covered Graphs
     正则k-覆盖图
短句来源
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  canonical model
By representing the TV channel's impulse responses in the delay-Doppler spread domain, the discrete-time canonical model of CDMA-TV systems is developed and a subspace method to identify blindly the Time-Invariant (TI) coordinates is proposed.
      
Secondly, the authors constructed the neighborhood semantics, prove the soundness of C2Lm, introduce a general concept of canonical model by the neighborhood semantics, and then prove the completeness of C2Lm by the canonical model.
      
On the determination of the field operator representation in canonical model quantum field theory
      
How canonical is the canonical model A comment on Aumann's interactive epistemology
      
The singularity of the canonical model of compact K?hler manifolds
      
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Under p ro per conditions , there are transformations Y=Q(X), V=S (X,U) in Y-space,* and the linear tangent model is independent of the operating point. A procedure is constructed* in order to achieve the above transformations. This new method is simple in computation and effective in many applications.

就多输入非线性系统,得出结论:在一定的条件下,存在变使得在Y状态空间中,线性正则模型不依赖于平衡点。给出了求得上述变换的步骤。这种新方法计*算量小,在许多实际应用中很有效。

Rolc-bascd Access Control (RBAC) is a promising alternative to traditional discrctionary (DAC) and mandatory access (MAC) controls.In RBAC pcrmissions arc associated with roles, and users are made mcmbcrs of the rolcs tbcrcby acquiring the roles' permissions. RBAC is policyncutral and flexible enough to accommodate diversc security policics. Access matrix models dcnne another mechanism for enforcing the securitypolicy. The Augmcntcd Typed Access Matrix modcl (ATAM), an extension of Typed Access Matrix (TAM)...

Rolc-bascd Access Control (RBAC) is a promising alternative to traditional discrctionary (DAC) and mandatory access (MAC) controls.In RBAC pcrmissions arc associated with roles, and users are made mcmbcrs of the rolcs tbcrcby acquiring the roles' permissions. RBAC is policyncutral and flexible enough to accommodate diversc security policics. Access matrix models dcnne another mechanism for enforcing the securitypolicy. The Augmcntcd Typed Access Matrix modcl (ATAM), an extension of Typed Access Matrix (TAM) model, defined by Sandllu is ell knownfrom this cIass of models. ATAM is deflned by introducing strong typing (i.e., each subject or object crtatcd is to be of partieulizd type whichthereaftcr does not change). The ATAM is recognized as the current state of thc art with respect to formal modcls fo: gencralizcd acccss controlpolicics.In this paper we formalIy show that ATAM can be simulated by appropriate connguration of RBAC componcnts. our rcsults nttcst to tlleflexihility of RBAC and its ability to accommodatc a vidc rangc of deccntralizcd administrativc modcls.

相对于传统的自由选择存取控制(SAC)和强制性存取控制(NIAC),基于角色的存取控制(RBAC)是一种很有前途的选择。在RBAC中,在取许可是与角色相联系的.用户需成为角色的成页以取得角色拥有的存取许可。由于RBAC不项向于某一种策略,因此可灵活适应不同的安全策略。存取矩阵模型定义了另一种实行安全策略的机制。增强型再取矩阵模型(ATAM)是分类存取矩阵模型(TAM)的一种扩展,它由Sandllu定义并成为该类模型中相当着£的一种。ATANI通过引入强分类(即各主体或对象一旦生成并属于一种特定类型后不再改变类型)来定义。ATAM就一般性存取控制策略的正则模型而言,已被认为是当今最流行的技术。最后形式化表述了ATAM可由对RBAC元素的适当组合构造来模拟。研究结果证明了RBAC的灵活性和对大范围分布式管理模型的适应性。

In this paper, we developed the discrete-time canonical model of CDMA time-varying channels by sampling the channel抯 spread function in time-frequency domain. A new computationally efficient two-stage blind identification algorithm was proposed for this equivalent model. In order to cancel error propagation effects of this new method, we converted the ideal single-input multi-output (SIMO) model into an additive Gaussian noise model. Unlike the basis expansion approach, the new blind algorithm doesn抰 require...

In this paper, we developed the discrete-time canonical model of CDMA time-varying channels by sampling the channel抯 spread function in time-frequency domain. A new computationally efficient two-stage blind identification algorithm was proposed for this equivalent model. In order to cancel error propagation effects of this new method, we converted the ideal single-input multi-output (SIMO) model into an additive Gaussian noise model. Unlike the basis expansion approach, the new blind algorithm doesn抰 require estimation of the basis frequencies based on the higher-order statistics (HOS) of the observations. Simulation demonstrates the effectiveness of the algorithm.

本文通过对时变信道的扩展函数在时频域进行正则采样,得到了CDMA时变系统的离散正则模型。针对该模型提出了一种具有较低运算量的两级盲辨识算法。为避免两级算法产生的误差传播效应,文章将理想SIMO模型等效为加性噪声模型来处理。与基展开模型方法相比,该算法具有不需利用观测数据的高阶统计量估计展开基频率的优点。文章通过仿真验证了该算法是可行的。

 
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