variable time造句
例句与造句
- Stability of impulsive differential equations with impulses at variable times
具有可变脉冲点的脉冲微分方程的稳定性 - Variable time - setting relay
可调时间继电器 - Variable time scale
可变时间标度 - Uniform boundedness of solutions of impulsive differential equations with variable times
可变脉冲时刻脉冲微分方程解的一致有界性 - Impulsive neutral functional differential equations with variable times in ordered hilbert spaces
空间中的时脉冲中立型泛函微分方程 - It's difficult to find variable time in a sentence. 用variable time造句挺难的
- Existence of solutions to initial - value problem of impulsive differential equations with variable times
时变脉冲微分方程初值问题解的存在性 - The authors investigate global properties arid uniform boundedness of impulsive differential equations with variable times using comparison principle
摘要运用比较原理研究了具有可变脉冲时刻的脉冲微分方程解的整体性质,给出了解一致有界的充分条件。 - A variable time - headway car following model was presented based on time - headway distributing rule in actual traffic and one dimensional cellular automaton modeling theory
摘要依据不间断车流的车头时距分布规律和一维元胞自动机建模理论,提出了一种可变时距跟车模型。 - Based on these new techniques , the software with automatically variable irregular space grid and automatically variable time stepsize has been developed , which greatly enhances the computational efficiency for the numerical solution of two - dimension three - temperature equations
在此基础上,针对欲求解的问题构造了一个自动改变空间网格自动改变时间步长的软件,大幅度提高了该问题的计算效率。 - Under the assumption that environment does not change when robot is stationary , the traditional robot teleoperation derived by event avoids the problem of variable time delay , but at the same time it causes the robot to have the shortcoming of " moveing and waiting "
摘要传统的基于事件遥操作系统虽然巧妙地避开了变化时延问题,但是它具有“走走停停”的特点,即机器人将当前状态发送出去之后直到操作者的下一个指令到来之前机器人必须保证状态没有变化。 - At an early stage in the evolution of the high - speed diesel a variable timing device was introduced in the pump drive coupling , taking the form of a helically splined coupling by means of which the angular relation between driving and driven shafts could be varied by manual or automatic control
翻译:在高速柴油机发展的早期,可变的正时装置被引用到油泵驱动联轴节上,采用螺旋式花键套管的形状,驱动轴和从动轴之间的相对角度可以通过手动或自动控制进行改变。 - What the practical problems is often gotten is a single variable time series which has a time interval of t , reflect by a lot of interactive physics factor , containing the mark of all variates participating in movement , traditional time series analysis is to analyse going from this array to the form directly it ' s time develops , one dimension analysis loses useful information , the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector , prop the geometry space of the state , show all dynamical information of system in phase space . the characteristic that just constructs again according to the phase space in this text , analyse the time series of responding , use the relevant knowledge of symbol dynamics and reconstruct phase space , put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis , so reach the correction of calculation mathematics model , make it accord with the actual systematic state
实际问题中常常得到的是一个时间间隔为t的单变量的时间序列,它是许多物理因子相互作用的综合反映,蕴藏着参与运动的全部变量的痕迹,传统的时序分析是直接从这个序列去形式地分析它的时间演变,一维分析必然丧失许多有用信息,相空间重构方法的特点是把一维标量数据构造成高维矢量,支起状态的几何空间,在相空间中展示系统全部动力信息。本文正是根据相空间重构的特点,对响应时间序列进行分析,利用符号动力学、重构相空间等方法,提出一种有理论依据的系统数学模型关联度分析方法,从而达到修正计算数学模型,使其更符合实际系统状态的目的。 - The comparison of three models ( single variable time series model 、 multivariable time series model and gray prediction model ) shows that the multivariable time series model ' s prediction precision is the highest . it indicates that using recurrent composed bp networks can exactly predict the boiler fault in order to prevent the fault , and help operator of power plant to adjust the parameters in a permitting range
通过基于递推合成bp网络的单、多变量时间序列模型与灰色预测模型的预测精度分析计算表明,应用基于递推合成bp网络的多变量时间序列模型能较准确的预测锅炉故障,指导运行人员对机组进行即时调整,使预期的参数在允许范围内,以避免故障的发生。 - In this dissertation , we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system , further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } " , hence we can give mixing conditions on them
在这篇硕士学位论文中,我们主要借助lyapunov第二方法的思想,讨论了两类脉冲微分系统:脉冲混合微分系统和具有依赖于状态脉冲的微分系统的稳定性问题。不同于以往的研究,本文所找的lyapunov函数沿系统轨线的一阶导数不再局限于常负或定负,甚至不用其导数来限制其增长速度;不再局限于对离散或连续部分分别设置条件,而是对其离散和连续部分设置混合条件。