线性非时变正弦稳态电路的功率不能用迭加原理吗？
Can't Apply the Superposition Theorem for the Power of the Linear Time-Invariant Sinusoidal Steady State Circuit?
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.
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.
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.
对于线性非时变的无源二端口网络，在零初始条件下，若存在互易性及对称性，则其电路参数具有一定的特殊性。
If reciprocity and symmetry exist for passive two port networks of linear time invariant under zero intial condition, the circuit parameters will have some important characters.
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.
这种方法首先对非语言声音信号进行谐波分析，然后对所得到的时变振幅与频率等声音信号参数进行分段线性化。
This technique performs harmonic analysis of the nonspeech audio signals and then the resulted attributes including time-varying amplitude and frequency functions are piecewisely linearized.
它可以是时不变的或时变的、因果的或非因果的、线性的或非线性的。
It can be time-invariant or time variant, causal or non causal, linear or nonlinear.
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.
从一定意义上说，在阶数不太高时，可优于凯泽窗函数作为单位脉冲响应的非递归线性移变滤波。
In some sense and at not too high orders, it can be better than Kaiser's window which is taken as the unit pulse response of a non-recursive shift variant filter here.
非线性、高复杂性、时变、“膨胀”和“收缩”现象以及非最小相位等特性致使SG水位控制成为一直以来的难题。
There are factors such as nonlinearity, high complexity, time varying, swell-and-shrink phenomena and non-minimum phase dynamics which make water level control problem of SG very challenging.
非线性、高复杂性、时变、“膨胀”和“收缩”现象以及非最小相位等特性致使SG水位控制成为一直以来的难题。
There are factors such as nonlinearity, high complexity, time varying, swell-and-shrink phenomena and non-minimum phase dynamics which make water level control problem of SG very challenging.
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