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.
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.
在某型高炮随动系统的测试中，待测信号有非时变信号和时变信号两种。
In the testing of a certain antiaircraft artillery servo system, the signals needed to be measured are time-invariant signal and time-varying signal.
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.
野外采集的地震信号是多种波的复合体，是一种时变的非平稳信号。
The seismic signal acquired in the field is a complex of different waves and a time variant non stationary signal.
数据仓库是基于主题的、集成的、时变的、非易失的数据的集合，为企业的战略决策制定过程提供支持。
The data Warehouseis a subject-oriented, integrated, time-variant, non-volatile collection of data used to support the strategic decision-making process for the enterprise.
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.
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.
因此采用能反映时频非平稳特性的时变谱密度(即局部谱密度)来描述地震地面运动是非常必要的。
Consequently, it is necessary to describe earthquake ground motion with local spectral density, which is time-dependent and can reflect the non-stationary characteristics.
本文研究了热风干制油枣时，在不同烘干温度和时间条件下导致非酶褐变的主要物质的变化规律及与褐变的关系。
The changes in main material of nonenzymatic browning in Chinese jujube-Youzao and relations with browning during different temperature and time with hot air dring were studied.
非合作的机动多目标相对于雷达射线的姿态是时变的，而且目标间可能存在相对运动，给逆合成孔径雷达(ISAR)成像造成较大困难。
Inverse synthetic aperture radar (ISAR) imaging of non-cooperative maneuvering multi-target is a challenging task due to its time-varying orientation and the relative motion among targets.
在灰色GM(1.1)模型的基础上，建立了非等时距的时变参数灰色预测模型。
On the basis of the grey model GM (1, 1), a new grey prediction model with time - dependent parameters is established.
该控制律在簧载质量和非簧载质量的速度反馈上引入了时变的反馈增益，该反馈增益随路面激励主导频率的变化而实时调整。
The control gains which are tuned according to road frequency are used to the velocity feedback of the sprung mass and the unsprung mass.
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.
在可变需求网络中考虑交通流分配的非均衡演化过程，建立一个时变拥挤收费和道路通行能力的联合最优控制理论模型，旨在使系统的全期总收益最大。
This paper presents a joint optimization model of time varying road tolls and capacities using the optimal control theory in disequilibrium traffic networks with elastic demand.
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.
该文提出了一种新的非平稳信号的时变参数ARMA模型分析方法，用它分析数据需两个基本步骤：首先，用一种信号分解方法把信号分解成一些基本模式分量。
In this paper, a new method for time-varying ARM A model is introduced. It includes two procedures. First, using one method of signal decomposition, a signal is decomposed into some basic components;
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.
针对三缸往复泵测量信号非平稳时变特点，研究了用小波消噪方法提取反映往复泵动力端状态的振动波形特征。
With a view to time_varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects th...
主要内容包括：1、以时-频分析作为分析时变非平稳信号的有力工具，清楚地为我们描述了信号频率随时间变化的关系。
The main contents are as follows:1. As a powerful tool to analyze the non-stationary signals, the time-frequency analysis shows us clearly frequency varies with time.
考察热效应和非牛顿流体特性对计算结果的影响，结果表明对此类时变问题，热效应比非牛顿效应更显著。
Influences of thermal effects and non-Newtonian properties were discussed. The results show that for the present transient EHL problem, the thermal effect is more evident than non - Newtonian effect.
时频分析作为分析时变非平稳信号的有力工具，成为现代信号处理研究的一个热点。
Now, Time-Frequency Analysis is one of the top interests in Signal Processing, and more and more research has been put on this topic.
时频分析作为分析时变非平稳信号的有力工具，成为现代信号处理研究的一个热点。
Now, Time-Frequency Analysis is one of the top interests in Signal Processing, and more and more research has been put on this topic.
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