查询词典 time delay

Choosing time delay as the control parameter, the stability of trivial equilibrium is discussed by analyzing distribution of the roots of the associated characteristic equation. It is found that Hopf bifurcation occurs from trivial equilibrium when the delay passes through critical values, then the critical values and their relations with system control parameters are obtained.

以时滞量为参数，通过分析对应线性系统特征方程的根的分布，讨论了平凡解的稳定性，得到了平凡解发生Hopf分岔而失稳的临界时滞量以及临界时滞量与系统控制参数的关系。

In order to compensate the time-delay, local fitting Jacobian matrix with time-delay compensation based on polynomial fitting is employed to obtain more accurate Jacobian estimation and image precompensation.

为了补偿时延，本文采用局部拟合方法估计图像雅可比矩阵，以获得当前时刻更准确的图像雅可比矩阵估值，并可对图像预补偿。

Inorder to compensate the time-delay,local fitting Jacobian matrix with time-delay compensation based on polynomial fittingis employed to obtain more accurate Jacobian estimation and image precompensation.

为了补偿时延，本文采用局部拟合方法估计图像雅可比矩阵，以获得当前时刻更准确的图像雅可比矩阵估值，并可对图像预补偿。

The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection. On the basis of the analysis of the transient negative current, a compensated voltage can be generated with multiplying the rms value of the negative sequence transient current of the feeder by a settable compensated reactance, then combined with the magnitude of the zero-sequence voltage to consist of the compounded compensated voltage, which can be utilized to revise the characteristics of the inverse time-delay.

其基本保护采用零序过电压保护，动作时间采用反时限特性；在分析接地故障负序暂态电流分布特点的基础上，利用线路负序电流暂态有效值与一个可整定的补偿电抗相乘，形成补偿电压，并与零序电压幅值合成复合补偿电压，利用该电压对基本的反时限动作特性曲线进行修正，使零序过电压保护具有选择性。

Because of the time delay unsynchronized control force may be applied to the structures, which may cause degradation in the efficiency of control or may even render the structures unstable. There for, it is of importance to make research on the time delay problem.

时滞是振动主动控制中不可避免存在的现象，即使是小时滞，也会导致系统在不需要能量时作动器向系统输入能量，致使主动控制效率的降低，甚至导致系统响应发散。

The resolving power of time delay estimation method based on correlation is anglicized in theory and the way of improving performance of time delay estimation is advised.

理论分析了相关分析时延估计法的分辨能力，指出提高基于相关分析时延估计方法分辨性能的途径。

The advantage of this method is that, a unitized model which can describe short time delay and long time delay is constructed. Based on this unitized model, stability and stabilization of NCSs are discussed.

该方法可以建立一个统一的模型用于解决网络短时滞和长时滞的镇定性问题，并在转移概率矩阵已知的条件下给出系统均方稳定的充分条件。

With the formidable data processing and programming function of MATLAB, linear superposing of one segment blasting vibration waveform, obtained from the locale vibration testing, with different time delay is carried out in this thesis, and a reasonable time delay for Jinduicheng mine bench blasting is got in the end.

本文利用MATLAB强大的数据处理编程功能，实现了对实测单段爆破振动信号在不同微差时间下的线性叠加，得到了金堆城露天矿某一爆破区域不同距离的合理微差时间。

The paper presents the time-delay modes, action waves, basic parameters, main technical performances, structures, overall and installation dimensions and terminal marks of JS25 series time-delay relay s.

给出了JS25系列时间继电器的延时方式、动作波形、基本参数和主要技术性能，介绍了其基本结构、外形与安装尺寸和接线端子标志，分析了其特点，并例举了其应用方法

Firstly, the SPN model for a single-layered LEO satellite network under half duplex mode is constructed. Then, average time delay is chosen as a key performance index to evaluate the network performance of the constructed SPN model with SPNP 6.0 software. Furthermore, the effects of arrival rate, network load, message number on average time delay are also analyzed.

首先建立了半双工通信模式下LEO单层卫星网络的SPN模型，并选取平均时延作为网络性能评价指标、采用SPNP6.0软件对该SPN模型进行了性能评价，分析了数据包到达速率、网络负载以及消息数等参数对网络平均时延的变化关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。