You're looking at three or four hierarchies of modeling accuracy.
你需要详细讨论三个或四个层次的建模精度。
The advantage of NN modeling accuracy and the good control performance of the optimal predictive control are combined.
它综合了自适应预估控制在控制线性系统中的良好特性和神经网络在辨识、控制非线性系统中的高精确性。
After reversed modeling theory and method are established, reversed modeling accuracy and feasibility are studied in the paper.
在确立了反向建模理论和方法后，进行反向建模的可行性研究和模型的准确性验证。
Then, by using the flamelet model, numerical simulations of Flame D were performed and the modeling accuracy and depth of flamelet model are investigated.
然后，采用火焰面模型对该湍流扩散火焰进行了数值模拟并和实验数据进行了比较，考察了火焰面模型的精确程度和模拟深度。
The adaptive control middleware with 'online identification, online tuning' feature can improve the modeling accuracy and control effect of software system.
该自适应控制中间件具有“在线辨识，在线整定”的特点，可提高对软件系统的建模准确性与控制效果。
Feature variables extraction is a very important issue for reversed modeling method, because feature variables have a great impact on the modeling accuracy.
特征变量是反向建模中的重要参数，对建模精度有很大影响，因此研究特征变量的提取方法是提高反向建模精度的关键。
The algorithm had low requirement to the modeling accuracy of Angle rate and no need of kinetic equation for satellite, which was simple and easy to implement.
该算法对角速度建模精度的要求较低，无需卫星动力学方程，方法简单且易于实现。
This study attempts to develop pilot modeling accuracy formulae and a method to improve the accuracy of pilot model identified from the real time simulation experiments.
研究了驾驶员建模精度分析方法和提高建模精度的途径。
At the same time, as the power system is the important component of mathematical modeling, load modeling accuracy for the correctness of the research results have important influence.
同时，作为电力系统数学建模的重要元件，负荷建模的准确性对研究结果的正确性产生重要的影响。
The result verifies that the hybrid modeling. incorporating the merits of RBFNN and principle modeling, has great advantage, and can be a feasible way to improve the modeling accuracy.
研究表明，结合两者优势的混合模型具有很大的优越性，是提高建模精度的可行途径。
The modeling results showed that the introduction of fuzzy learning method can not only simplify the structure of neural network, but also effectively improve the modeling accuracy and efficiency.
结果表明，与传统的基于误差平方和准则的学习算法相比，采用模糊学习算法可以大大简化网络结构，有效提高模拟精度和效率。
Based on the necessary modeling accuracy for radiating characteristics and movement characteristics of infrared targets, it can meet the design and debug demand for the guidance algorithm of missile.
在保证必要的红外目标辐射特性和运动特性建模精度基础上，采用这种方法可以满足导弹制导算法的研制和调试需要。
Because our data modeling efforts within Rose underwent intense review, even our schema was designed for efficiency as well as accuracy.
因为我们在Rose 中的数据建模工作经过了严格的复审，甚至我们的模式被设计的非常高效和精确。
Compared with some other modeling methods, such as ANFIS, the proposed model is of less computation, higher accuracy, especially for high dimension data modeling.
与其他建模方法相比，如anfis，模糊树模型计算量小，精度高，尤其在高维数据建模中更为明显。
It is proved that the application of outcrop database to oil reservoir modeling is successful. This method can improve the prediction accuracy of inter-well reservoir.
应用该种方法将露头知识库用于油田地质建模有助于提高井间储层预测的精度和准确性。
In recent years, it was widely recognized by the climate researchers that the accurate description of land surface processes is very important for the accuracy of the climate modeling forecasting.
近年来，气候工作者越来越认识到，陆面过程的准确描述对气候模拟和预测的精度具有重要影响。
To ensure the accuracy of power system modeling and reliability of stabilization analysis, it is essential to test the parameters of generator excitation system.
为了确保电力系统建模的精确性和安全稳定分析的可靠性，进行发电机励磁系统参数辨识测试是一项重要的工作。
The validity of modeling, the accuracy and reliability of simulation results for stamping forming processes of hubcap are affirmed on the basis of grid strain analysis technique.
对计算得到的轮包成形极限图、应力应变分布图进行了分析，并采用基于网格分析法的物理实验验证了有限元建模的可靠性和正确性。
A mathematical modeling of aiming system accuracy resulting from sensor error is proposed.
给出了由传感器误差导致的操瞄系统误差的数学模型。
This method can not only describe deviation of features after modeling but also compare the modeling quality of different modeling methods according to radial accuracy.
这一方法不仅能够算出所用插值算法的实际径向偏移距离，还能比较不同算法关于径向精度的建模质量。
The first key technique is ocean application oriented visual modeling and radial accuracy testing for middle and large size sample data sets.
第一项关键技术是面向海洋应用的中、大尺寸采样数据集的可视化建模与径向精度检测。
Aiming at the accuracy problems existed in the LOM using metallic modeling materials, puts forward a new LOM method to make the metal functional parts directly and quickly.
针对以金属板材为造型材料的分层实体制造中存在的精度问题，提出了一种新LOM方法直接快速制造金属功能零件。
In consideration of the nonlinear characteristics of hydraulic transmission system, the distributed physical net modeling method is applied to improve the accuracy of the model.
考虑到液压传动系统的非线性特性，为了提高模型的准确性，采用了分布式物理图网建模方法建立液压系统模型。
How to improve the accuracy and load modeling, has become the focus of research load modeling.
如何提高负荷模型建模的准确性和适应性，也成为负荷建模研究的重点。
This paper presents a method with mixed spectra for analyzing rotational accuracy of spindles, making use of the modified periodogram test combined with dynamic data system modeling.
本文采用动态数据系统建模分析法与改进的周期图检验法相结合，对主轴回转精度进行混合谱分析。
And then obtained the modification model of sensor shell with sufficient accuracy by adopting the combined modeling method of experimental modality analysis and finite element modeling.
然后采用实验模态分析和有限元建模相结合的建模方法，获得了足够精度的传感器壳修正模型。
Inspired by the idea of combining models to improve prediction accuracy and robustness, a new method for nonlinear soft sensing modeling of chemical processes is proposed.
根据几个模型相加可提高模型的预测精度及鲁棒性的思想，提出了一种非线性软测量建模的新方法。
The modeling results for practical industrial plants show that the platform improves greatly efficiency and accuracy of industrial modeling.
对实际工业对象建模辨识的结果，表明该平台大大提高了建模的效率和精度。
On the basis of the principle of a middle pressure common rail electronically controlled variable valve system, a model has been built for modeling the system and its accuracy achieves 93%.
根据研制的中压共轨电控可变气门系统机构的工作机理，建立了中压共轨电控可变气门系统的仿真模型，试验证明其精度达到了93 % 。
On the basis of the principle of a middle pressure common rail electronically controlled variable valve system, a model has been built for modeling the system and its accuracy achieves 93%.
根据研制的中压共轨电控可变气门系统机构的工作机理，建立了中压共轨电控可变气门系统的仿真模型，试验证明其精度达到了93 % 。
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