The behavior of the optimizer is influenced by three key factors: the value of OPTCOMPIND parameter in the Informix configuration file, query directives, and the accuracy of internal statistics.
优化器的行为受三个关键因素的影响：Informix配置文件中OPTCOMPIND参数的值、查询命令和内部统计数据的准确性。
The results of two practical examples prove its validity and accuracy when applied it in parameter identification of composite load model.
实际算例的结果证实了该算法对综合负荷模型参数辨识的有效性和准确性。
Analysis on the effect of parameter estimation and forecast accuracy according to the select of variable factors.
变量因子选择对参数估计和估测精度的影响分析。
Interelectrode clearance is one of the most important parameter of it, keeping minimal clearance while machining will improve the part's surface gloss and size accuracy.
极间间隙是对脉冲电化学光整加工具有重要影响的工艺参数，保持极小的极间间隙加工，可以提高工件的表面光泽度以及加工的尺寸精度。
In order to reach high accuracy in the range of full scale, subsection of control parameter is used.
在此基础上再对控温参数进行分段，使控温在各温度区间都达到了高精度。
To further improve control performance, zone trajectory method was proposed and a parameter was provided to trade off the response performance and model accuracy.
为进一步改善控制品质，提出了区间轨迹方法，通过调整轨迹参数可以在响应速度与模型准确性之间进行选择与平衡。
A better parameter estimation accuracy have been obtained with the model processed by this method.
用本文方法处理选模型可以获得较好的参数估值精度。
It ensured the stability and accuracy of temperature parameter in rubber processing technology were key determining rubber products high quality.
其保证了橡胶加工工艺过程中温度参数的稳定性和准确性，是决定橡胶产品高质量的关键。
Selecting one mixing rule to calculate the mixture parameter can make significant effects on the accuracy when we calculate the mixture phase equilibrium by the equation of state.
在使用状态方程计算混合物的相态平衡时，用哪种混合规则来计算混合物参数，对计算的精度影响非常大。
Sets forth all kinds of factors that affect the time parameter measuring accuracy, and proposes fairly reasonable methods.
阐述了影响时间参数测量精度的各种因素，并提出了较合理的方法。
The accuracy of modal parameter estimation plays a crucial role in flutter boundary prediction.
准确估计模态参数在飞机颤振边界的预测中具有重要意义。
A portable memory hierarchy parameter acquisition module is implemented, which shows high speed and accuracy in the experiments.
实验表明，该模块能够准确快速地获取存储层次参数且具有较好的可移植性。
Objective to find a simple and accuracy diagnostic parameter and to evaluate accurately diagnostic parameters in postoperative patients with early thoracic cavity infection.
目的为了对术后早期胸膜腔感染诊断参数的正确评估，寻找一个简单、准确的诊断参数。
A construction layout about flexible, convent, new type, multi parameter, high accuracy, large volume data acquisition system for the Rubidium atomic frequency standard test is put forward.
提出了一种用于铷原子频标实验的灵活、方便的新型多参数、高准确度、大容量数据采集系统的构成方案。
The main contents are as follows:A vertex curvature estimation method for triangle mesh is researched and the accuracy of curvature estimation is verified by parameter surfaces.
研究了三角网格模型上顶点曲率的估算方法，并用参数曲面的网格模型验证了曲率估算的精度。
It showed that the change of physical parameter of measurement medium influences the accuracy of measurement through the inspection experiment in the recent years.
近几年检定实践表明，测量介质的物理参量的变化对其测量精度是有影响的。
A new method of parameter compensation is also suggested to avoid the influence of rotor resistance variation on the accuracy of vector control.
为了克服电机参数变化对矢量控制准确性的影响，本文建议了一种新的参数变化补偿法。
Accuracy estimation is an important part in linear parameter processing, and cumulative-sum method is a new method for linear parameter processing.
精度估计是线性参数处理中重要的一部分，而累积法是进行线性参数处理的一种新方法。
It is also shown that the identification accuracy for the nonlinear parameter depends on the degree of nonlinearity and the initial amplitude.
数值算例证实了此方法的正确性，计算表明非线性系数的识别精度与非线性程度和初始振幅大小有关。
To estimate the parameter of velocity and acceleration with high accuracy and in real time for the measurement radar, an improved method based on spectrum zooming is proposed.
针对测量雷达要实时准确获得目标速度、加速度测量值的问题，提出了一种基于频谱细化的参数估计方法。
The adaptive flux observer can change its parameters in response to parameter changes of induction motor to ensure observation accuracy.
当电动机参数未知或发生变化时，观测器自动调整自身参数以确保观测精度。
The generalized eigen analysis is employed to directly and effectively estimate the ellipse parameter vector. The detectability and fitting accuracy are significantly improved.
并通过直接估计椭圆参数的广义本征分析技术，进一步提高椭圆的可检测性和拟合精度。
The results of simulation is shown that this method has high accuracy and good convergence, and it is an effective parameter identification method of induction motors.
仿真结果表明，这种方法具有很好的抗发散性，而且状态及参数估计精度也很高，是一种行之有效的异步电动机参数的动态辨识方法。
This paper suggests that using future data to compensate the recent parameter series will overcome the delay, then improve the accuracy of the parameter series estimation.
本文提出一种边估计边修正参数序列的方法，从而克服了参数估计滞后，提高了参数估计的准确度。
For width of carbon steel, problem of strip head and tail width narrowing was solved effectively through optimizing adjustment of model parameter, and strip width accuracy was improved.
本文就碳钢的宽度而言，针对带钢头尾宽度拉窄的现象，通过对模型相关参数的优化调整，有效解决了头尾宽度拉窄的问题，提高了带钢的宽度精度。
To improve the accuracy of sand-dust storm forecasting, an RBF-SVM method with automatic parameter selection was presented in this paper.
为提高沙尘暴的预报准确率，针对目前已出现的RBF - SVM沙尘暴预报模型中的参数优化进行研究。
Therefore, the influences on flux estimation accuracy, caused by resistance parameter perturbations, are avoided.
该新型估计器不包含定转子电阻，可以避免电阻参数摄动对估计精度的影响。
By applying this method to SP curve computing, the shoulder-bed effect could be, to some extent, removed so that the data accuracy of geologic parameter is enhanced as a matter of course.
将这种方法用于自然电位(SP)曲线的计算，能够部分地消除围岩影响，提高地质参数的数据精度。
In order to improve the track accuracy of the system, the on-line identification parameter method is used and the parameters of controller can be corrected instantly.
为了提高系统的跟踪准确度，笔者提出在线辨识参数的改进无差拍控制策略。
In order to improve the track accuracy of the system, the on-line identification parameter method is used and the parameters of controller can be corrected instantly.
为了提高系统的跟踪准确度，笔者提出在线辨识参数的改进无差拍控制策略。
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