通常的拟合度仅反映了数学模型误差。
The general fitting degree only reflects the error of mathematical model.
文中给出了模型参数、模型误差和噪声误差的估计。
The estimations of model parameter, model error and noise error are given.
本文讨论的重点是模型误差及其对分析准确度的影响。
This paper is focused on the model error and its effect on the analytical accuracy.
用试验数据确定刚度矩阵中的模型误差位置已有所研究。
The location of model errors in a stiffness matrix by using test data has been investigated by the others.
数学模型误差——主要由趋势面方程的逼近特性所引起。
The error of mathematical model is mostly resulted from near properties of the equations of trend surface.
微分模型没有模型误差，微分方程的求解存在舍入误差。
The differential model not has model error. Solving the differential equation has rounding error.
两种控制律不需要知道系统参数，对模型误差具有鲁棒性。
Both control laws do not require the knowledge of the system parameters and are robust to modeling errors.
非理想状态下，无陀螺惯导系统存在模型误差和系统误差。
In imperfect condition, non-gyro inertial system has model error and system error.
该算法可及时修正模型误差、提高控制精度并保证控制效果。
This method can modify model error in time to improve control precision and guarantee control effect.
作者提出了用虚拟时变噪声统计，补偿线性化模型误差的新思想。
A new approach of compensating linearized model errors by the fictitious time-varying noise statistics is proposed.
紧接着，作者把注意力转移到线性模型误差方差的纯序贯区间估计。
After that, the author focus his attention on the pure sequential confidence for the error variance in linear models.
模型的不确定性(模型误差)是通过建立的虚拟观测方程来考虑的。
The model uncertainties or model errors also can be considered through some fictitious observation equations.
指出这种模型误差是造成LQ最优控制稳定鲁棒性差的一类重要因素。
It is shown that the modelling error is one of the important factors that affect the robust stability of LQ optimal regulators.
对于非等时序列的时数分离可以建立模型，但这种模型误差分析较困难。
The error analysis by the Time-data -Separation Approach of unequal interval sequence is difficult.
偏心渐开线齿轮传动设计的纯滚动模型、等转角模型和等分模型存在模型误差。
The pure rolling model, equal turning Angle model and bisection model for the design of eccentric involutes gears transmission have model error.
给出了一定误差水平下的模型误差对固有频率计算结果影响程度分析的区间方法。
An interval analysis method was proposed for the influence analysis of the model error to the computational results of natural frequency of structures.
文中首先介绍了时间序列法预报原理，接着应用该原理给出供热负荷和模型误差的预报。
First, it introduces time series analysis principle. Then, heating load and model error prediction are given by this principle.
模型误差、量测噪声及量测数据不完整等因素是制约结构损伤识别技术应用的主要难点。
Some factors, such as modeling error, measured noises, incomplete measured data, are main difficulties for many structural damage processes being utilized.
在二次损失函数下，研究了增长曲线模型误差方差的非齐次二次型估计的可容许性问题。
The admissibility of non-homogeneous quadratic form estimate of variance on the growth curve model was studied under quadratic loss function.
在有限元模型误差来源分析的基础上，提出了大跨桥梁结构模型误差的分层次修正方法。
On the basis of error analysis of finite element modeling, the multi-level model updating is put forward for long-span Bridges.
当一些未知谱线没有被测量模型考虑时，测量噪音不再是白色的，模型误差也就随之产生。
When there are unknown spectral lines missing from the measurement model, the measurement noise is not white and model error is produced.
针对框架结构振动主动控制模型误差较大的特点，通常采用试验模态数据来修正计算模型。
Aimed at the characteristic of bigger error existed in active vibration control model of frame structures, experimental modes data are usually used to modify calculating model.
受外部干扰和模型误差影响，异步电机无速度传感器矢量控制中的转速辨识结果往往不准确。
Traditional speed identification methods for sensorless vector control of induction motors are inaccurate due to external disturbances and model errors.
在消除回归模型误差项的自相关现象的处理中，提出了一种确定自相关参数估计值的新方法。
In this paper, a new process of estimating autocorrelation parameter is given when remedying autocorrelation of error term in regression model.
该方法可以减少计算延时，并且对摄像机和机械臂的校准误差和目标模型误差具有较强的鲁棒性。
The image-based approach may reduce computational delay, eliminate the necessity for image interpretation and eliminate errors due to sensor modeling and camera calibration.
然后结合输电系统的实际情况分析计算了降阶模型误差对最优励磁控制的微动态稳定鲁棒性的影响。
The effect of the modelling error on the micro-dynamic robust stability of an optimal excitation regulator is calculated according to the actual conditions in a transmission system.
首先针对一类相加模型误差的描述，定义了一个平均意义上的包含跟踪误差和控制能量的性能指标。
Firstly, an average performance index containing tracking error and control energy over a class of additive model errors is defined.
该模型由有限个回归类构成，每个类的模型误差可以是正态的，也可以是满足一定条件的任意分布。
The model consists of a finite number of regression classes, for each of them the model error may normal or arbitrary under certain conditions.
该模型由有限个回归类构成，每个类的模型误差可以是正态的，也可以是满足一定条件的任意分布。
The model consists of a finite number of regression classes, for each of them the model error may normal or arbitrary under certain conditions.
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