查询词典 initial approximation

This represents a first approximation to inelastic modelling that boasts the advantage of large problem sizes and very fast execution speeds.

这标志着第一近似值弹塑性模型，公司拥有的优势，大问题的大小和执行速度非常快。

The Black-Scholes options pricing model is one of the most famous equations in finance and offers a useful first approximation for prices for option contracts.

的Black - Scholes期权定价模型是在金融业中最有名的方程，并提供一个有用的为期权合约价格首次逼近。

By applying the method of multiple scales to the reduced system,the first approximation solution for 1/3 subharmonic resonanc...

应用非线性振动的多尺度法求得系统满足1/3次亚谐共振情况时的一次近似解，并进行数值计算。

The main research work involves:(1) Based on first order ODE approximation theory and Hopf bifurcation theory, the nonlinear motion stability of the train is studied emphatically.

2利用模型A和模型B研究了车辆系统的非线性运动稳定性，利用模型E和模型F研究了列车系统的非线性运动稳定性。

Calculus can be used to find approximate solutions to equations, in methods such as Newton's method , fixed point iteration , and linear approximation .

积分可以用来寻找近似解方程，在方法，如牛顿法，不动点迭代和线性近似。

The new method employs Viterbi algorithm and HMM parameters to produce the best state sequence and then to warp the time within the same state segment using function approximation technique and intersection technique. So a fixed dimensional feature vector can be got. It is then sent to the RBF neural network.

新方法首先利用隐马尔可夫模型参数和Viterbi算法产生语音信号的最佳时间序列，然后利用函数逼近和插值的方法进行时间规正，组成等维的语音识别特征；最后送径向基函数神经网络进行识别。

Based on the approximation expression of the oil film force of CSFD presented in chapter 6 for the short bearing, effectiveness of the active vibration control of CSFD on the rigid rotor、flexible rotors with one disk and two disks are studied both theoretically and experimentally.

在第六章推导出了CSFD在短轴承π油膜假设下油膜力的计算公式之后，分别从理论及试验两方面详细地分析了CSFD对刚性转子、单盘柔性转子、双盘柔性转子系统的振动进行分段控制的控制作用；讨论了不同的控制规律、切换滞后、切换次数以及转子角加速度等对控制效果的影响，以及在双稳态区切换时转子运动的方向性问题。

The thermodynamic free energy on mixing and the Spinodal equation in ternary homopolymer blends were obtained by making plausible approximation based on Flory's equation of state theory.

本文运用Flory状态方程理论，对多元共混体系的热力学函数吉布斯共混自由能进行合理简化，并求得其Spinodal相图方程。

The results show that the responses are decreased with the addition of viscous energy dissipation brace systems, and traveling wave effect is disadvantage to the structure, and pseudo static displacement is decreasing with the increasing of wave velocity. The approximation results by the first-order perturbation modification based on forcing decoupling method are precise.

结果表明，加粘滞耗能支撑后，结构的反应明显减小；行波效应对结构的反应是不利的，且拟静力项的影响随着波速的增加而减小；基于强行解耦的一阶摄动修正法给出的近似解有很好的精度。

Extended rotating wave approximation is used to cut off the sequences of Fourier expansion of the exact solution to prepare for the following steps.

目前直接针对这个模型的研究极少，因此模型本身具有一定的新颖性。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。