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 离散状态
 discrete state
 Markov hybrid system is introduced in which the dynamical behavior of the discrete state is a Markov chain. 根据混合系统离散状态的动态行为和Markov链的状态也是离散的特点,提出了一类离散状态的动态行为是Markov链的混合系统。 短句来源 Existence of positive solution of delay 2-D neutral discrete state model 时滞2-D中立型离散状态模型正解的存在性 短句来源 A Lyapunov equation for 2 D singular general discrete state space model is introduced, The relationship between asymptotic stability, the roots of the characteristic polynomial and the 2 D matrix Lyapunov equation is studied. Sufficient conditions for asymptotic stability of the system are presented. 引入 2 - D奇异一般离散状态空间模型的 L yapunov方程 ,探讨了该模型的渐近稳定性、特征多项式的根以及 2 - D L yapunov矩阵方程间的关系 ,给出了系统渐近稳定性的充分条件。 短句来源 The method divides complex power system into discrete state logic layer and continuous state layer. 该方法将复杂的电力系统分成离散状态逻辑层和连续动态层来描述,由逻辑层进行协调各连续动态系统的模式切换。 短句来源 This article tells us how to structure a Markov chain with the strong Markov property in a general discrete state space E,to use the " resolvent property " and to take the " Ray-Knight compactification " of the state space E as a bridge. 本文就是在一般的离散状态空间E中，利用“预解算子”的特性，将状态空间E的“Ray-Knight紧化”作为桥梁，进而构造出了一个具有强Markov性的Markov链。 短句来源 更多
 discrete time state
 A Recursive Algorithm for Solutions of Linear Timeinvariant System Discrete Time State Function 线性定常系统离散状态方程的递推求解算法 短句来源 Optimal l_∞ Controller Design for Linear Discrete Time State Space Model 线性离散状态空间的最优l_∞控制器设计 短句来源 It avoids the matrix inverse operation. Meanwhile, the solutions of discrete time state equations and the pulse transfer function can also be obtained easily. 算法既避免了矩阵的求逆运算，又可同时获得系统的脉冲传递函数，也可用于离散状态方程的求解。 短句来源 The hybrid observer was made up of a location observer and a discrete time state observer. 观测器由一个位置观测器和一个离散状态观测器组成。 短句来源 The location observer defined the current location of the hybrid system by Finite State Machine (FSM), while the discrete time state observer estimated the evolution of the discrete time state of the hybrid system by Luenberger observers. 前者应用自动机观测器来确定混合系统的当前位置,后者应用龙伯格观测器对系统离散状态的演化进行估计。 短句来源
 discrete states
 Hybrid systems have been used to describe complex dynamic systems that involve both continuous and discrete states. 混杂系统用于描述包括连续状态和离散状态的复杂动态系统。 短句来源 The"discrete states assumption"and"conditional independent assumption"are two main limitations in standard hidden Markov model for speech recognition. 经典隐马尔可夫模型用于语音识别存在的两个主要缺陷是“离散状态假设”和“独立分布假设”。 短句来源 Greedy and periodic control strategies based on the description of hybrid automata are discussed to control the switch sequence of discrete states from the perspective of system safety by analyzing characteristics of the typical hybrid system, three-tank flow system. 通过对混杂系统典型实例即三水箱系统特性的分析,从系统安全的角度讨论了用于控制该系统离散状态切换序列的基于混杂自动机描述的贪婪型与周期型控制策略。 短句来源 The observability of hybrid system involves initial discrete states, continuous states and discrete state switched time. 混合系统的可观性包括初始的离散状态和连续状态,以及离散状态的切换时间. 短句来源 The control inputs effect on system states (mainly effect on discrete states) are (analyzed.) The switching of discrete states may help to improve the observability of some linear hybrid system which is unobservable before discrete switch. 对此,分析了系统的控制输入对线性混合系统状态(主要是离散状态)的影响,并论述这将有助于改善某些线性混合系统状态的可观性. 短句来源 更多
 discrete-time state
 Temperature-controlling model of slab′s rough rolling process based on discrete-time state space equation 基于离散状态空间方程的钢坯粗轧阶段温度控制模型 短句来源 2) Optimization controller for linear discrete-time state space model is designed. (2)设计出线性离散状态空间的最优控制器。 短句来源 The paper presents an adaptive dynamic matrix control algorithm based on the Laguerre model of the unit step response of a plant. The discrete - time state space form of the Laguerre model and the Laguerre network for calculating Laguerre model coefficients are given. 给出了Laguerre级数模型的离散状态方程表达式,提出了模型系数的计算方法,并推导出一种以系统单位阶跃响应Laguerre级数模型为基础的自适应动态矩阵控制算法。 短句来源

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 discrete state
 This LDP holds for any discrete state space Markov chain, not necessarily ergodic or irreducible. It is shown that the effect of a local field may result in a shift, narrowing, or broadening of the resonance, as well as in a change in its amplitude and the character of interference of the discrete state with the continuum. The cross sections in the region of the overlapping autoionizing Rydberg states 5p5(2P1/2)6d' J = 1 and 5p5(2P1/2)8s' J = 1 resonantly coupled with the discrete state 5p5(2P3/2)7p[1/2]1 in the xenon atom are calculated. The main attention is given to the behavior of the 1s electron ionization cross section near and above the threshold with simultaneous excitation of the outer 2s electron to a discrete state. We obtain the conditions for complete population transfer through an autoionizing state in terms of asymmetry parametersq, which characterize the coupling strength between a discrete state and a continuum. 更多
 discrete time state
 LQ-SOCM uses discrete time state space equation to describe the real-time computing system. The discrete time state-space model is an application of the bayesian update problem. The model is formulated as a discrete time state-space game where the firms use feedback strategies.
 discrete states
 Using the electric dipole approximation, we present, in invariant form, the cross section of an arbitrary three-photon transition between the discrete states of an atom with total angular momenta Ji and Jf. The interaction of atoms with a phonon field causes spontaneous transitions between the discrete states of the trap. It is shown that a substantial contribution to χ(3) is made by a large number of discrete states into which the valence and conduction bands are split in the presence of three-dimensional confinement. A test for identity is worked out by comparing the discrete states of the echo signal from an object to be identified and the states typical of the echo signal from a known object. The explicit analytical expressions of transition form factors from arbitrary discrete states to continuum are obtained in terms of classical polynomials. 更多
 discrete-time state
 An H∞ Output Feedback Control for Discrete-Time State-Delayed Systems The time-course behavior of these cell kinetic parameters was predicted by solving the discrete-time state equations which characterize the dynamics of tumor-drug interactions. For both subsystems a discrete-time state-space model was derived using the Control Toolbox of Matlab. In this paper, we are interested in finding a solution to the discrete-time state feedback H2 synthesis problem. The model of subnetwork i is a linearized discrete-time state-space model.
 Theory on the two dimensional state space has been further developed as a model appropriate to Kalman's filtering for image processing since R.P. Roesser established it in 1975. As a review, this paper lays stress on introducing the recent research works on the Roesser's discrete state space model of two dimensions which includes such concepts from one to two dimensions as the general response formula, the state-transitiom matrix, the 2-D Cayley-Hamilton theorem and the observability and controllability. The... Theory on the two dimensional state space has been further developed as a model appropriate to Kalman's filtering for image processing since R.P. Roesser established it in 1975. As a review, this paper lays stress on introducing the recent research works on the Roesser's discrete state space model of two dimensions which includes such concepts from one to two dimensions as the general response formula, the state-transitiom matrix, the 2-D Cayley-Hamilton theorem and the observability and controllability. The author gives proof of a response function theorem (cf. section 5, eq. (4.6)) by means of frequency domain other than the proof by Roesser[3]who utilized the time domain. Also, the author gives proof of the observability and controllability in the two dimensional system which are unproved in [3] and [4] in bibliography. Several examples are given, one is cited in illustration of the concept of Cayley-Hamilton theorem and three are cited to demonstrate the realization of the 2-D recursive filters. The practical task to be Developed in near future is mainly to continue the application of Roesser's discrete state space model to Kalman's filtering for image processing. However, some theorems concerned were proved so tediously and so complicated in operation that to simplify and improve them would be of necessity. 本文着重介绍二维离散状态空间的数学模式的定义及其有关的一些性质,如转移矩阵的二维幂形式,二维Cayley-Hamilton定理、二维传递函数与A、B、C、D矩阵的关系、二维响应函数,以及二维空间系统的可控性和可观察性等。 This paper attempts to apply Walsh transforms to the state-space analysis of linear discrete-time systems. A cyclic shift-theorem of Wal'sh transforms presented by Cheng and Liu is first extended, and with the aid of Walsh transforms of the discrete state equations, a simple numerical formula for solving the state equations in the sequence domain is derived, from which a group of cyclic solutions of zero-state,response of a system can be obtained. An illustrative example is given. 本文探讨了Walsh变换在时域离散系统状态空间分析中的应用。文中推广了Walsh变换的循环位移定理,并利用它对离散状态方程进行离散Walsh变换,导出了状态方程求解较为简便的公式,从而可以得到系统零状态响应的一组循环解。文末给出了数值计算实例。 The digital simulation method on basis of e~(AT) presented in this paperconsists in treating oarious continuous, linear, constant parts of the systemsimulated as subsystems which are desoribed by systems of discrete stateequations. Then, these subsystems and various non-linear or time-varyingparts are interconnected and thus digital simulation of the whole system isimplemented. This method of simulation possesses the merits of fast comp-uting rate, high accuracy and versatilety. The main point described in this... The digital simulation method on basis of e~(AT) presented in this paperconsists in treating oarious continuous, linear, constant parts of the systemsimulated as subsystems which are desoribed by systems of discrete stateequations. Then, these subsystems and various non-linear or time-varyingparts are interconnected and thus digital simulation of the whole system isimplemented. This method of simulation possesses the merits of fast comp-uting rate, high accuracy and versatilety. The main point described in this paper is concerning the computationof the coefficient matrixes of the subsystems using analytir method whichhas the merit in the amount of computation and accuracy of simulationindependent of the step size chosen with the (somewhat laboursome) program. 本文所叙述的以e~(AT)为基础的数字仿真方法,是将被仿真系统中的各个连续线性定常部分看作子系统,利用计算机先求出每个子系统的离散状态方程,然后根据各子系统的相互联接、其间的非线性或变系数特性,再进行数字仿真。这种仿真方法计算速度快、精度高、有较强的适应性。文章中着重介绍了用解析法求解子系统离散状态方程的系数阵。解析法的优点是:对线性定常系统而言,仿真前的计算量及仿真精度与仿真步距T的选取无关,其缺点是程序较繁。 << 更多相关文摘
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