查询词典 difference equation

We present the equation which satisfies the transient distribution of L for the three special cases M/M/1, GI/M/1 and M/G/1 queue of GI/G/1 queueing system, and proves that the length L of GI/G/1 queueing system satisfy three types of equation, and their minimal nonnegative solution are unique bounded solutions.

给出GI/G/1排队系统及其三个特例M/M/1，GI/M/1和M/G/1排队系统的队长L的瞬时分布所满足的方程。证明GI/G/1排队系统的队长L满足三种不同方程，并且是这些方程的最小非负解，也是唯一有界解。

The dynamic field equation is optimal pure strategy of the games; and the statistical quantum field equation is optimal mixed strategy of the games.

动力学场的场方程是该博弈的最优纯策略；而统计性的量子场方程则是该博弈的最优的混合策略。

The thermodynamic equation of state and a p V T equation for liquids were used to develop improved methods for calculating the internal pressure and the molar heat capacity at constant volume of liquids.

为获得液体内压和摩尔定容热容的准确数据，以热力学状态方程和一个液体的 p-V-T方程为基础，提出了液体内压的计算方法以及如何由液体的摩尔定压热容推算摩尔定容热容。

The diffusion wave equation used to represent flood wave propagation in waterways is based on continuity equation and the mome...

Ponce证明天然河道中洪水波，在一定条件下属于扩散波也有20余年历史。

System of coordinates and the transfer of axes are introduced to analyze the force and the moment of force. Based on this, the dynamic equation and the kinematics equation are built. Combining with the mass changes and the control relationship, the kinematics model of missile is completely set up. According to the subject studied in this thesis, and based on some assumptions, the model of Bank-to-Turn missile is built.

引入了研究导弹制导控制系统常用的坐标系及各坐标系之间的关系；分析了作用在导弹上的力与力矩，在此基础上建立了导弹动力学方程和运动学方程，结合导弹质量变化和对导弹的操纵关系，建立了空空导弹的运动学模型；针对本文的研究对象，在一定假设的基础上建立了倾斜转弯导弹的数学模型。

The equation of lattice vibration of one-dimensional monatomic lattice and the equation of longitudinal vibration of a uniform bar are discussed.

一维单原子链晶格振动与均匀杆自由纵振动的运动方程在数学上存在内在的联系。

Although the Monteith equation slightly better t the data, it was not better than the Greenwood equation when confronted with year-to-year variation of potato growth.

虽然Monteith公式稍微更好地适应数据，有人不低于格林伍德方程时，与上年同期相比增长面临的变化更好的马铃薯

All the Tikhonov regularization theory, regularization operator and regularization parameter are given a complete analysis and discussion. The differentiability of Morozov discrepancy equation is investigated. And the image noise, as the knowledge a prior, is estimated and the equation is modified.

图像复原计算方法的研究是一个反卷积的病态性求解问题，本文用反问题正则解的基本理论，对经典的图像复原方法依正则化思想进行了细致的分析与研究。

By a series field observation data, an empirical equation of mean velocity of viscous debris flow was got. The velocity calculated by the asymmetric coefficients, bottom slope and hydraulic radius of flow. It is good at both high resistance and low resistance area of debris flows. It is good consistent for the measuring velocity of otherwise field observation data of debris flow and viscous mudflow by this empirical equation.

由一系列野外观测资料得到的由泥石流不均匀系数、泥石流运动底部纵比降和水力半径计算的粘性泥石流运动平均速度经验公式，能适应各种类型的泥石流沟，与其它系列的观测资料对比有很好的一致性，与粘性泥流的观测资料对比也很接近。

We use the filtered variables to build Ridge estimation equation, and calculate the multiple correlation coefficient, at the same time passed the correlation test of the Ridge estimation equation; we built forward neural network model based on SCG method and momentum method under the MATLAB 6.5 situation, when estimating the fuel load of the sampled plots, the average precision of the artificial neural network model is 89.51%.

利用筛选出的自变量构建岭估计方程，并通过了岭估计方程的相关检验；在MATLAB6.5环境下构建基于SCG法和动量法的前向神经网络模型，在对所设置实验样地可燃物估测中人工神经网络模型估测的平均精度为89.5%。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。