查询词典 initial condition

The algorithms based on two necessary condition is monotone decreasing, for multi-extreme point in solution space, the distribution of final codebook seriously depend on that of initial codebook, it is difficult to cast off if get in local optimality.

然而这些算法本身属单调梯度下降算法，在解空间存在多极值点时，最终码书的分布较大依赖初始码书分布，一旦落入局部最优区域，很难摆脱。

A We simplified premise condition of the existing method , begin at an initial VG and propose a efficient algorithm. All VG developed are mutually disjoint.

a简化现存方法的前提条件（现存方法前提是全体VG或者全体IVG），仅从一个初始VG开始，中间过程避免了不交和的复杂运算，提出了快速有效的方法。

I then show that a natural boundary condition of low initial entropy can be imposed on the universal wave function.

这么一个简单的道理是否能解释时间的箭头（即宇宙为什么开始于低熵状态）？

In the last a few years, the differential solution of wave equation was hold up by the condition of computation. Kirchhoff integral method rose in the initial stages of the ninetieth decade of last century.

前几年波动方程微分解由于受计算条件的限制而难于在地震资料处理过程中发挥作用，上世纪90年代初发展起来的克希霍夫积分方法，因本身存在的缺陷也难于在深层地震资料处理中取得新的突破。

The existence of global weak solution for a class of generalized Ginzburg-Landau equations with an inhomogeneous boundary condition was studied. Some integral indentities of smooth solution of inhomogeneous initial boundary value problem of Ginzburg-Landau equations were deduced, by which a priori estimates of the square norm on boundary of normal derivative and the square norm of partial derivatives were obtained.

研究具非线性边界条件的一类广义Ginzburg＿Landau方程解的整体存在性·推导了Ginzburg＿Landau方程的非齐次初边值问题光滑解的几个积分恒等式，由此得到了解的法向导数在边界上的平方模以及解的平方模和导数的平方模估计；通过逼近技巧、先验估计和取极限方法证明了Ginzburg＿Landau方程的非齐次初边值问题整体弱解的存在性

Three methods of unit impulse response in time domain are presented, odd function balance, equal initial condition and linear system analysis.

提出了连续系统单位冲激响应的3种时域求解方法：奇异函数平衡法、等效初始条件法和线性分析法。

The method using microcomputer to draw the phase graph of autonomous system on plane of ordinarily differential equation is studied,first a large number of data of orbit are obtained by an appropriate method of numerical calculation from known initial condition,then computer draw the curve of orbit on screen by these data.

研究利用微机绘制常微分方程平面自治系统相图的方法，首先用一种合适的数值算法由已知的初始条件得到轨线的大量数据，再利用这些数据在计算机屏幕上画出轨线的图形。

On the basis of this, this paper tries to seek the common law of each periodic depreciation amount of all dynamic depreciation models and constructs the common model of dynamic depreciation of all assets in order to provide the common models for enterprises to input the relative initial condition to directly use fixed assets dynamic depreciation according to their real situation to calculate the dynamic depreciation amount of each period of fixed assets.

在此基础上，本文试图去寻找各种动态折旧模型中各期折旧额的共同规律，进而建立起固定资产动态折旧的通用模型，以供企业根据自己的实际情况代入相应初始条件直接套用固定资产动态折旧的通用模型，方便地计算固定资产各期的动态折旧金额。

Thirdly, according to the development of the frozen soil, the coupling model of single freezing pipe of axial symmetry of temperature field, stress field and moisture migration is put forward firstly. Then, by means of the progressing principle of potential field, the coupling model of temperature field, stress field and moisture migration which is under the condition of the multi-freezing pipes is extended. At last, the energy balance equation, stress balance equation, quality balance equation, geometric equation, physical equation, initial and boundary conditions etc are adopted to give the analytic solution to the problem of plane axial symmetry of single freezing pipe.

第三，在对室内试验和现场实测结果研究的基础上，分析了土体冻结过程中温度场、应力场、水分场耦合原理，并按照冻土体形成发展过程，首先建立了单一冷源冻结轴对称温度、应力、水分场耦合模型；接着利用势场的迭加原理，将单一冷源情况的三场耦合问题推广到多冷源情况的三场耦合；最后根据能量守恒平衡方程、应力平衡方程、质量守恒平衡方程、几何方程、物理方程、初始及边界条件，解出了单一冷源平面轴对称问题的解析解。

Simultaneously uses the existing experimental condition, to the process of the electrolysis of watery potassium carbonate, we has done the further research of the power input, the initial temperature and the electrolysis time how to influence the system calorimetry coefficient.

根据现有的条件，本研究又对电解碳酸钾水溶液过程中的电解输入功率、电解起始温度和电解持续时间对系统k值的影响作了初步的探讨。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。