本短文用简单方法证明了线性非时变系统不变性的充要条件。
In this short paper the necessary and sufficient conditions for invariance of linear time-invariant systems are proved by a simple method.
本文讨论了船舶线性非时变系统及线性时变系统运动的稳定。
In this paper, The stability of a ship with linear time variation and non-time variation motion system was discussed.
在传统的算子理论基础上，建立了电路的算子模型，提出了求解线性非时变系统全响应的一种新方法。
Basing on traditional operator theory, operator madel for a circuit is established, and a new method for the solution of response of linear time invariance system is introduced.
对线性非时变系统，本文给出了船舶运动稳定性的实例，及其数学物理上对这类问题稳定性的判别法。
The example of stability of a ship motion and criterion is given for linear non-time variation.
为了简化变结构控制器的设计，首先通过非奇异线性变换将含状态时滞和输入时滞的线性系统化为无时滞系统。
The original system with both input and state time delays was first rewritten into a form without any time delays by a nonsingular linear transformation.
水轮机调速系统是典型的具有非最小相位、非线性、时变特性的复杂控制系统，难以建立精确的数学模型。
To the question of the hydraulic turbine regulating system, this paper discusses fuzzy neural network control (FNNC) based on the character of fuzzy logic and neural network theory.
利用幂级数的方法，对三阶线性离散系统进行时域分析，其方法不仅可以研究线性非时变离散系统，而且还可以研究线性时变离散系统。
This paper presents the time domain analysis of three orders discrete system by power series, which can study not only the time invariant system, but also the time variant system.
利用幂级数的方法，对三阶线性离散系统进行时域分析，其方法不仅可以研究线性非时变离散系统，而且还可以研究线性时变离散系统。
This paper presents the time domain analysis of three orders discrete system by power series, which can study not only the time invariant system, but also the time variant system.
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