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- Keywords: VBARX, system identification, state space model, modal parameters. 关键词：VBARX、系统识别、状态空间、模态参数。
- Based on the dynamic modeling in state space, the state space model of GPS ise established: constant speed model and constant acceleration model. 2、建立了GPS系统的状态空间模型：定常速度模型和定常加速度模型。
- Using lifting techniques, a linear time-invariant state space model of multirate digital control systems is constructed at first. 首先利用提升技术，构造出多采样率数字控制系统的线性时不变状态空间模型。
- We present an EVP address space model for the information grid. 针对此问题,本文提出了一个EVP信息网格地址空间模型。
- The input-output difference equation model of MIMO and the state space model can easily be transform one from to the other. 证明了多变量输入-输出差分方程模型与其对应的标准状态空间模型可以经变换而由一种模型得到另一种模型。
- Through analyzing the dynamic characteristics of Electrical Power Steering (EPS) system, the mathematical model and state space model were established. 通过对电动助力转向系统进行动力学分析，建立了系统的数学模型和状态空间模型。
- By forming the dynamic state space model of EPS system, a analysis table was built for the random K number sensors functional failure on the sense of observability. 通过建立EPS系统动力学模型的状态方程，设计了一种对任意k个传感器失效的分析表。
- The proposed method can be applied to the establishment of the aeroengine state space model, which will be helpful in the multivariable digital electronic engine control system design. 这种方法为航空发动机多变量数字电子控制器的设计奠定了强有力的基础。
- Subspace model identification (SMI) methods, a new class of black-box algorithms to setting up a linear state space model directly from input-output data, have drawn much research attention recently. 摘要子空间模型辨识方法(SMI)是一类新兴的直接估计线性状态空间模型的黑箱建模方法，近年来获得了广泛关注。
- In order to remove the ghost mode and improve the accuracy of parameter estimation, a reduced technique is developed to reduce the high dof state space model to adequate dimension. 为了除去无意义之幽灵模态与增加参数估计之精确度。我们亦发展将高阶状态空间模式降阶至适当因次的凝缩技术。
- First, it is assumed that the polytope exists in the system matrix, input matrix and measure matrix of the stale space model. 首先，假定多胞型不确定参数存在于状态空间模型的系统矩阵、输入矩阵和量测矩阵中。
- Compared with the vector space model, the probability model is more effective on describing a users interests. 对比实验表明,概率模型比矢量空间模型更好地表达了用户的兴趣和变化。
- Strand space model is a new formal analysis tool to the analysis of cryptogram protocol. 串空间模型是一种新兴的密码协议形式化分析工具。
- By the computer simulation and the modelling of a practical example,it is verified that the ident-fication methods are correct and the state space models are reliable. 通过计算机仿真计算和建模实例，证实了辨识方法的正确性和状态空间模型的可靠性。
- Through the vector space model, text clustering, genetic algorithms to try a new method summary of the text. 通过空间向量模型、文本聚类、遗传算法等成熟的技术尝试一种新的文本摘要方法。
- Based on input-output data, state space models are directly identified by the SMI methods combined with the system theory, linear algebra and statistics. 这类方法综合了系统理论，线性代数和统计学三方面的思想，其特点是直接由输入输出数据辨识系统的状态空间模型，因而非常适合多变量系统辨识。
- We propose a text vector space model (VSM) based on suffix tree and implement a text categorizing system on the model. 摘要本文在面向网络内容分析的前提下，提出了一种基于后缀树的文本向量空间模型(VSM)，并在此模型之上实现了文本分类系统。
- This paper introduces a text clustering method based on VSM (vector space model). 摘要研究了一种基于向量空间模型的文档聚类方法。
- In the paper, a method is proposed based on vector space model making use of the structure to effectively retrieve HTML document. ? 应用了向量空间信息检索方法,扩展了传统的信息检索,利用HTML文档结构提高了在WWW环境下的检索效率。
- Economically, the country is in a very healthy state. 从经济学的观点来说，国家处于很兴旺的状态之中。
