查询词典 distributed parameter

Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows:1. The optimization model of parameter identification of three-dimensional geologic history numerical simulation, algorithm and its applicationGeologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil-bearing basin. According to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porositys non-linear parabolic partial differential equation has been established.

本文应用现代最优化及最优控制理论，对如下一些问题进行了研究： 1、三维地史数值模拟的参数辨识优化模型、算法及应用地史模拟是盆地数值模拟的一个基础性的研究内容，地层孔隙度是含油气盆地地史演化发育过程中的重要参数，根据地层沉积埋藏机理和石油地质的物理化学原理，通过引入数学物理方程概念，建立了泥岩三维孔隙度场方程，根据问题的特点，给出了方程的定解条件，对方程的动边界也给出了处理方法，并且证明了解的存在性与惟一性，在此基础上建立了以当今实测数据为拟合准则的三维地史数值模拟的参数辨识优化模型，这是一个含有二阶偏微分方程约束的泛函极值问题。

In this paper, the monotonicity-preserving interpolation of a kind of plane parameter curve with a shape control parameter is investigated.

研究了一类带有形状可调参数的平面参数曲线的保单调插值方法。

The stick-slip region and the stable region in a parameter plane are separated by a critical parameter curve.

并在静动摩擦落差数/动摩擦系数的参数平面上划分出稳定区和粘滑运动区。

The software interface of touch screen displays the parameter of motor movement, adjusts the PID controller the automatic and manual function, demonstration parameter curve and so on.

触摸屏的软件界面显示电机运行的参数，调节PID控制器的自动手动功能，显示参数曲线等。

In addition, I analyses the effect of different parameter to the system and discus how to set up a group of parameter to make the system running in the best condition.

此外，还对模型中各主要参数的变化对供应链绩效的影响进行了分析，讨论了怎么样的参数设置才能使系统的运行达到最优。

Parameter of intensity of demand of different fare passenger ticket is the parameter of a group of foundations in dynamic fare theory.

不同票价客票需求强度参数是动态票价理论中的一组基础参数。

One of the two parameter group can be obtained directly by taking its corresponding nonnegative functions to be zero and another parameter group can be obtained through learning according to its corresponding nonnegative functions—performance index.

其中的一组可调参数可通过令相应的非负函数为零直接求得，而与另一组可调参数相对应的非负函数就是用于这组参数学习的性能指标。

The final scale of the projectile is affected by both this parameter and the "proj.doscale" parameter in the group of p1's constants file.

飞行道具的最终比例由该参数和p1常量文件内组的"proj.doscale"两个参数共同决定。

The core designs of genetic algorithm are design of parameter coding, initial group, adaptitude function, controlling parameter and genetic operators. On other words, they are designs of choose operators, exchange operators and aberrance operators.

遗传算法的核心是参数编码、初始群体的设定、适应度函数的设计、控制参数设定、遗传算子的设计即选择算子、交换算子和变异算子的设计。

Although we cannot pass an integral value to a enum parameter, we can pass an enum to a parameter of integral type.

虽然无法将整型值传递给枚举类型的形参，但可以将枚举值传递给整型形参。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了