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单位阶跃
    Application of Unit-step Function in Beam Bending Theory
    单位阶跃函数在梁弯曲理论中的应用
    Application of Unit-Step Functions in Calculating Beam Influence Lines
    单位阶跃函数在梁影响线计算中应用
    The Use of Unit-step Function in the Bend of Girders
    单位阶跃函数在梁的弯曲变形中的应用
    The uses of the Unit-step function in material mechanics
    单位阶跃函数在材料力学中的应用
    estimate thesystem's transient response character meet the design request by unit-step response,unit-impulse response and unit-ramp response, which come from the system's closedtransfer function.
    通过用系统闭环传递函数来绘制系统的单位阶跃响应、单位脉冲响应、单位斜坡响应等曲线图,以判断系统的瞬态响应特性是否能够满足使用要求。
    The non-parametric models of the unit-step response and frequency response and the dynamic performance index of both in time domain and in frequency domain are also given in this paper.
    文中还给出了单位阶跃响应和频率响应两种非参数模型,以及时间域和频率域的动态性能指标。
    In this paper, unit-step function is used to determinate the defor-
    本文利用单位阶跃函数求梁的变形,解静不定梁、并推导出用单位阶跃函数求变截面梁变形的转角及挠度曲线的一般表达式,使变截面梁的变形计算公式化。
    The experimental study has been performed, by means of combination with the compensated system and the designed filter. The dynamic compensated efficiency can be examined from the unit-step responses and frequency responses before and after filtering with the filter.
    本文对被补偿系统和所设计的滤波器进行了联合实验,由滤波前后的单位阶跃响应和频率响应便可检验动态补偿效果。
    By analysing the tr ansit-time-different model of the deflection system of oscillotrons under unit-step function voltage, either the sweep trace of the electron beam or calculating formulae of the rise time can be derived.
    通过分析电子在偏转系统内的渡越时间差模型,导出偏转系统在单位阶跃电压函数作用下,电子束扫描轨迹方程及上升时间的计算。
    A method for calculating influence lines of internal force and bending deflec- tion of statically determinate beams is presented by means of unit-step functions in the paper.
    本文应用单位阶跃函数提出一种计算静定梁内力及挠度影响线的方法.
    This paper numerically treats the measured disturbance curves and response curves of dynamic characteristic tests of suppercritical once-through boiler water walls. Then the unit-step response curves are computed to clearly show the dynamic response characteristics of the system.
    本文在超临界直流锅炉水冷壁动态特性试验结果的基础上,对实测的扰动曲线与响应曲线进行数值处理,进一步计算出单位阶跃响应曲线,从而清楚地显示出系统的动态响应特性.
    おharacteristic paraments of unit-step response can be calculated for the two order linear control systems. But it is difficult for the paraments of the high order linear control systems.
    对于二阶线性控制系统的单位阶跃响应特性参数,通常应用公式可以计算,但对于二阶以上的高阶控制系统的单位阶跃响应的特性参数计算不容易求取。
    The paraments can be obtained with MATLAB in this paper and marked on a figure of the unit-step response. 
    本文应用MATLAB语言求取稳定的连续系统任意传递函数的单位阶跃响应特性参数值,并在单位阶跃响应图上予以标出。
    the Stieltjes convolution of the creep compliance and the relaxation modulus of the model can equal the unit-step function approximately and in considerable wide frequency range the model can fit the storage modulus and the dissipation modulus very well.
    并能做到松弛模量和蠕变柔量的Stieltjes卷积近似等于单位阶跃函数; 在很宽广的频率范围内能同时很好地模拟真实材料的存储模量和损耗模量。
    Unit-step signal plays a very important part in the course of "Signal and Linear Systems Analysis",as it describes the process during which some objects can be instantly changed from one state to another.
    单位阶跃信号描述了某些实际对象从一个状态到另一个状态可以瞬间完成的过程,在线性时不变系统分析中起到了非常重要的作用。
    Based on the analysis of nonlinear dynamics to time series of strain and stress which are tested by MTS to lots of joint systems of sandstone specimens,a new rule to find the largest Lyapunov exponent is established by introducing LE1-m mathematical model and unit-step function.
    基于对大量砂岩试样裂隙系统的MTS全应力–应变时间序列的非线性动力学分析,构造单位阶跃函数并引入到最大Lyapunov指数LE1的判别模型中,建立了确定LE1的新准则。
    A new rule to determine the largest Lyapunov exponent is established by analyzing time serials from MTS test with nonlinear dynamics. An unit-step function involving step features is introduced into the LE1-m mathematical model to determine the largest Lyapunov exponent.
    通过对大量岩石试样的MTS力学实验数据序列的非线性动力学分析,充分考虑到LE1—m关系中普遍存在的阶跃现象,构造了单位阶跃函数并引入到最大Lyapunov指数的判别模型中,建立了确定最大Lyapunov指数的新准则。
 

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