近似模型方法在工程优化设计中开始得到重视。
The approximate model has been used in engineering optimization design widely.
最后对精确模型和近似模型进行动力学比较和分析。
Finally, the comparison between the proximate model and the precise model and their analyses are made.
本文首先给出了建立近似模型前所需的实验设计方法。
First, the paper gives the experiment design method for constructing approximation model.
本文给出了一个新的重力场近似模型，称之为质聚模型。
A new approximate model or the earths gravity field is presented in this paper. We call it a mascon model.
一般的模拟分析中，都是利用菲涅尔近似模型进行分析。
Fresnel diffraction model is used to simulate this diffraction normally.
基于一种新的线性化近似模型，提出一类双层最优迭代算法。
According to the model, a new dual-staged optimal iterative learning control scheme is proposed.
因此本文针对交替式相移掩模，提出了一种考虑阴影效应的近似模型。
Therefore, a new approximation model for alternating phase shift mask considering shadowing effects was proposed in this paper, and shadowing ratio was redefined.
如果用近似模型来代替真实模型，那么近似模型精确度就变得非常重要。
If we substitute actual model for approximation model, the precision of approximation model is very important.
应用传统的极限分析理论，提出一种改进的刚性-非线性强化近似模型。
Based on the traditional plastic limit analysis, an improved rigid-nonlinear Hardening approximate model is established.
这种从简单、易用的近似模型到更加真实模型的转移产生了两个方面的影响。
The transition from simple approximate models, which are easy to work with, to more realistic models produces two effects.
通过响应面近似模型的优化，完成了高超声速巡航飞行器的多学科设计优化。
The response surface approximation models are used to replace the original complex vehicle performance model, the optimization is conducted using a sequential quadratic programming algorithm.
研究了异步光分组交换网的流量特性，提出了网络流量的解析模型和近似模型。
The traffic characteristics of asynchronous optical packet switching networks are studied, the analytic and approximate models of network traffic are proposed.
结果表明基于近似模型的优化方法不仅全局性良好，而且有效节约了计算资源。
The result shows that the optimization method based on approximation technology has good global performance and also can greatly save the calculating resources.
如果这两个前提难以满足，由线性化近似模型带来的模型误差将变得难以控制。
If the two preconditions are difficult to satisfy, the model error caused by the linear approximation will become difficult to control.
这些模型的问题是，他们可以是非常昂贵的计算，因此，采用近似模型可能更适合。
The problem with such models is that they can be very computationally expensive, so models that employ methods of approximation may be more appropriate.
本文给出了有限论域上模糊神经元集团活动的马尔克夫模型，并给出了泊松近似模型。
In this paper, a Markov model of finite fuzzy neuronal assembly activity is presented, and Poisson approximation is considered.
网格变形的物理模型采用改进的弹簧近似模型，改进措施包括边界修正和扭转效应修正。
The model used to control mesh deforming is improved spring analogy with boundary improvement and torsional effect improvement.
对于上述齐次双曲守恒律方程组与其近似模型之间解的比较，已经有人得到了相关结果。
There are some results on the comparison of weak solutions of homogeneous hyperbolic system and its approximate model.
这些方法的基本思想都是构建功能函数的近似模型，然后基于近似模型进行可靠度分析。
However, the basic thought of these method is to construct a approximate model of performance function and then perform reliability analysis on it.
该方法在样本点相同的情况下减小了近似模型的推广误差，提高了近似精度，增加了适应性。
By using this method the extended error of the approximation model is diminished, the approximation precision is improved, and the flexibility is enhanced based on having the same sample points.
在比值修正模型所构造的气动近似模型的基础上，引入了基于实例的推理技术对其加以改进。
To increase the efficiency of the multidisciplinary optimization of aircraft, an aerodynamic approximation model is improved.
基于主蒸汽压力降阶近似模型和二次型最优控制原理，给出了主蒸汽压力的LQ次优调节策略。
Based on degraded and approximate model of main steam pressure and linear quadratic optimal control theory, the LQ sub-optimal regulation strategy is presented.
在气动外形优化中，采用近似模型管理结构(amf)方法，对变可信度模型进行组织和管理。
For aerodynamic shape optimization, the approximation management framework (AMF) method was used to organize and manage the variable-fidelity models.
针对非线性离散时间系统的控制问题，提出了一种基于近似模型的多层模糊CMAC自适应控制方法。
A multi layer fuzzy CMAC adaptive control method based on an approximate model is presented in this paper for nonlinear discrete time systems.
随着船舶结构设计日益复杂，使用统计学方法为复杂的计算机分析建立近似模型已经逐渐成为一种趋势。
As the complexity of ship structural designs keeps on increasing, the use of statistical techniques to build approximation models for expensive computer analysis is getting popular.
结果表明，这样产生的双线性模型能此线性近似模型在较宽的工作范围内精确地近似反应器的动态特性。
The results show that the reduced bilinear model developed can approximate the reactor dynamics more accurately than the linear one over a much wider range around the operating state.
结果表明，这样产生的双线性模型能此线性近似模型在较宽的工作范围内精确地近似反应器的动态特性。
The results show that the reduced bilinear model developed can approximate the reactor dynamics more accurately than the linear one over a much wider range around the operating state.
应用推荐