time-invariant system

In time domain, the harmonic wave does not change frequency when passing through the reflection coefficients system, coinciding with the condition of linear time-invariant system, so, the synthetic seismograph in time domain can be computed by convolution of wavelet with reflection coefficients sequence.

在时间域中，谐波经过反射系数系统后不改变频率，符合线性时不变系统的条件，因此在时间域中可以用子波与反射系数序列褶积的方法计算时间域合成地震记录。

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And focused on the analysis to a linear time-invariant system set membership interval analysis algorithms.

并重点地分析了一种线性时不变系统的集员区间分析的算法。

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In this paper, the approximate perturbation range of the state matrix of a linear time-invariant system is given, keeping the system controllability invariant.

本文给出了线性定常系统状态矩阵摄动时保持能控性不变的摄动区间的估计。

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The concept of the whitening of the grey system is given by referring to [ 1]. The "weak controllability" and "strong controllability" of linear time-invariant system are defined and discussed, and criteria are given.

在文献[1]的启发下，本文提出灰色系统白化的概念，就此意义定义了灰色线性定常系统的强可控性和弱可控性，并加以讨论，给出检验判据。

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Design of Variable Structure Control for Linear Time-Invariant Singular System with Time-Delay

滞后线性定常广义不确定系统的变结构控制设计

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Then, for short time delay, the stochastic control of infinite horizon NCSs is studied based on linear time-invariant system and two steps transformations.

然后基于线性时不变系统和两步变换，研究了短时延NCSs无限时间的随机控制，设计的控制器可以使NCSs均方指数稳定。

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A stairs model approximation for stable linear time-invariant system is given in this Paper.

本文对稳定的线性时不变系统提出了一种阶梯模型近似。

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The main results are following. ( 1) Module structure analysis for state space of linear time-invariant system is presented.

主要结果如下：（1）给出了定常多变量线性系统状态空间的模结构分析方法。

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Discussion on the Analyzing Way of the Stability Condition about a Liner Time-Invariant System

关于线性定常系统稳定性条件分析方法的讨论

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Sliding-Mode Control Based on Network for Continuous Linear Time-invariant System

连续线性时不变系统的网络滑模控制

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Aiming at continuous linear time-invariant system with network-induced delay, its network-based sliding-mode controller is designed and the corresponding closed loop form of the networked control system is established.

针对一类具有网络诱导时延的连续线性时不变被控对象模型，设计其网络滑模控制器，建立基于网络滑模控制器的闭环控制系统模型。

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In this paper, concepts of a linear time-invariant system are presented, including quasi-sliding mode ( ideal and nonideal quasi-sliding modes) and quasi-sliding sector.

研究了滞后离散线性定常系统的准滑模变结构控制问题，给出了滞后离散线性定常系统的准滑模，理想准滑模，非理想准滑模与准滑模带的概念；

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Controllability and Observability of MIMO Time-Invariant System with Interval Plants

区间矩阵MIMO定常系统的可控性与可观性

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Complete Track Controller of Linear Time-Invariant System

线性时不变系统的完全跟踪控制器

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The pure prediction problem of a stationary random sequence passing through a linear time-invariant system is discussed.

本文讨论了平稳随机序列通过线性时不变系统后的纯预测问题。

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A time-invariant system is used to describe the movement of the target during a short time sequences, and through Kalman filter we identify this system so as to make it have ability estimate the coming states while occlusions taken place.

该论文将目标的运动在较短时间内看作一时不变系统，通过引入Kalman滤波进行参数辨识而使发生遮挡后的跟踪系统具有后续状态预测的能力。

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When the state and input matrices of a multivariable linear time-invariant system are perturbed, the problem of the estimation of pole perturbance of closed-loop system is considered by making use of the theory of branching of solutions of nonlinear equations.

本文利用非线性方程小分枝解的理论，研究多变量定常线性控制系统的状态矩阵与控制矩阵受到摄动时，闭环系统的极点所受到的摄动量的估计问题。

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Control effect of PID regulator is satisfactory for linear time-invariant system. But, in some complex control loops, such as nonlinear, large scale time delays, time varying and strong coupling systems, control effect is no satisfactory.

这种算法对于线性非时变系统，控制效果良好，但对于某些复杂环节，诸如非线性、大时滞、时变、强耦合系统，控制起来很难。

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Both the Lyapunov stability and Popov's hyperstability of discrete linear time-invariant system in case of system parameter disturbance are discussed in this paper.

本文讨论了离散型线性定常系统在系统参数发生扰动时的李亚普诺夫稳定性与波波夫超稳定性。

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In this paper a novel gated integrating method for IR-UWB correlation receiver is proposed, which uses linear time-invariant system to approximate integrator with discharging.

提出一种应用于脉冲超宽带相关接收机的新型门控积分方法，它利用简单的线性时不变系统实现带清除的积分。

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Then, using the tool of two steps transformation and the approaches of Lyapunov, the finite horizon state feedback controller is proposed for short time delay NCSs based on the linear time-invariant system.

接下来，应用两步变换和Lyapunov方法，对于线性时不变系统设计短时延NCSs有限时间的状态反馈控制器。

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Controllability and observability of a class of linear time-invariant system with interval plants

关于时不变线性系统的可控性与可观性

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For the case of two subsystems with unstable focus equilibrium, the most stabilizing control law of the linear time-invariant system is designed, and a necessary and sufficient condition for asymptotic stabilization is presented.

针对每个子系统的平衡点为不稳定的焦点类型，设计了时不变系统的最镇定控制，并给出了保证闭环系统渐近镇定的充分和必要条件。

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The key to judge whether a control system is stable or not is to find the stability condition of the system according to the stability definition, namely the condition on which the impulse response of the linear time-invariant system attenuates gradually and inclines to zero.

判断一个控制系统稳定与否的关键是基于稳定性定义找出系统稳定的条件，即线性定常系统的单位冲激响在何种情况下会随着的推移逐渐衰减并趋向于零。

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At the same time the coal system parameters are approximate fitting as a linear time-invariant systems, the accidents state under the state feedback and disturbance along feed forward control law is obtained.

同时将该煤矿系统中的参数近似拟合成了线性定常系统，得到了该事故状态下的状态反馈加扰动顺馈控制律，进而得到煤与瓦斯突出事故发生时的控制策略。

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The characteristics of random and time-varying of the closed-loop NCS is derived by the random and time-varying delays. Thus, it is difficult to use conventional linear time-invariant system theory to analysis and design NCS.

网络诱导时延的随机性和时变性使得闭环NCS也具有了随机性和时变性，从而难以利用常规线性时不变系统的理论和方法进行系统的分析和设计。

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Based on the assumption of the unknown-but-bounded ( UBB) noise, an interval algorithm for set-membership identification of parameters of linear time-invariant system was used to seek the minimal.

本文讨论了在噪声功率有界的假设下双线性系统参数的集员辨识，给出了双线性系统参数集员估计的递推形式，并讨论了收敛性。

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The Hopfield network was used to identify the three-order model of the hydraulic servo system for ship-gun, simulation results show the feasibility of using this system to identify the time-varying and time-invariant system.

使用Hopfield神经网络辨识舰炮液压伺服系统的三阶模型，仿真结果表明用这种系统辨识方法辨识时变和时不变系统是可行的。

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We analyze a kind of discrete time linear time-invariant system with impulse response and design its iterative learning controller PID optimal parameter based on certain performance index.

第三，分析了一类具有脉冲响应的线性离散系统，对其迭代学习控制器的PID参数基于一定的性能指标进行优化设计。

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The modeling, analysis and control of networked control systems are studied in this dissertation when the controlled process is linear time-invariant system.

本文基于线性时不变的被控对象，研究了网络控制系统的建模、分析与控制问题。

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