• The estimations of model parameter, model error and noise error are given.

    文中给出了模型参数、模型误差和噪声误差的估计。

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  • In imperfect condition, non-gyro inertial system has model error and system error.

    非理想状态下,无陀螺惯导系统存在模型误差和系统误差。

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  • This paper is focused on the model error and its effect on the analytical accuracy.

    本文讨论的重点是模型误差及其对分析准确度的影响。

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  • This method can modify model error in time to improve control precision and guarantee control effect.

    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。

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  • The purpose of this paper is to explore the performances of different model error scheme in soil moisture data assimilation.

    本文主要目的是探讨不同模式误差方案在土壤湿度同化中的性能。

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  • First, it introduces time series analysis principle. Then, heating load and model error prediction are given by this principle.

    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。

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  • The load forecast is used as set point of heat supply system, and model error is used as corrected value of predictive control.

    负荷预报作为供热系统的设定值,模型误差作为预测控制的校正量。

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  • If the two preconditions are difficult to satisfy, the model error caused by the linear approximation will become difficult to control.

    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。

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  • In order to reduce model error, we use non-uniform grid, if the parameter's changing is fast, we use fine grid, else we use coarse grid.

    为了降低模型误差,引入非均匀网格,并且自适应的在参数变化快的地方用较细网格,其他地方用较粗网格。

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  • When there are unknown spectral lines missing from the measurement model, the measurement noise is not white and model error is produced.

    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。

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  • 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。

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  • The pure rolling model, equal turning Angle model and bisection model for the design of eccentric involutes gears transmission have model error.

    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。

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  • An interval analysis method was proposed for the influence analysis of the model error to the computational results of natural frequency of structures.

    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。

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  • It is different from traditional concept that the concept dynamic roughness includes influence of model error, truncation error, observation error and so on.

    此时的糙率与传统的概念有明显的不同,它包含了模型误差,截断误差,观测误差等各方面的综合影响。

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  • Predictive filtering based on minimum model error is introduced to realize real time identification of unknown perturbations and conquer influence of model error.

    引入基于模型误差最小准则的预测滤波算法,实现对未知扰动的实时辨识与估计,克服模型误差影响。

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  • Considering the character of vector observation, a real time predictive filter based on minimum model error (MME) criterion is presented for satellite attitude estimation.

    结合矢量观测的特点,基于最小模型误差准则给出了一种确定卫星姿态的实时估计算法,称为预测滤波算法。

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  • This paper realizes disturbance de-coupled with model error and system uncertainty by using a combination of full-order nonlinear unknown input observer and fault detection filter.

    该文设计了全维非线性未知输入观测器,实现检测滤波器对于被控对象模型误差和系统不确定性因素的干扰解耦。

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  • For this reason, we develop a model which can calculate thickness for plate rolling, and an X-ray thickness gauge monitor and several compensation algorithms are used to compensate model error.

    为此建立了钢板的高精度厚度计式模型,采用X射线测厚仪检测参数和各种补偿算法对计算模型进行修正。

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  • Local velocity model error mainly damages imaging quality, while regional velocity model error not only damages imaging quality, but also changes the imaging of structure style or stratum boundary.

    局部速度误差影响成像质量,而区域速度误差不仅影响成像质量,更重要的是影响成像的构造形态。

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  • The Predictive Filter is an estimation method based on nonlinear system model, which determines the optimal model error using a one-step ahead control approach to provide accurate state estimations.

    预测滤波器是一种基于非线性系统模型的滤波方法,它通过使输出一步前向预测误差最小来估计模型误差,具有较高的估计精度。

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  • An improved four-parameter DH model is used to deduce the double parallel-joint CMM measurement model. Error model of the double parallel-joint CMM is discussed based on the measurement model.

    文中利用改进四参数DH模型导出平行双关节坐标测量机的测量模型,在此基础上建立该坐标测量机的误差模型。

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  • The principle of PFC is introduced from three aspects: predictive model, error compensation and optimal algorithm. The basic PFC algorithm for first-order plus time delay system is developed.

    从预测模型、反馈校正和优化控制三方面对预测函数控制基本原理进行了系统的阐述并针对一阶加纯滞后对象推导了单变量预测函数控制的基本算法。

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  • The principle of PFC is introduced from three aspects: predictive model, error compensation and optimal algorithm. The basic PFC algorithm for first-order plus time delay system is developed.

    从预测模型、反馈校正和优化控制三方面对预测函数控制基本原理进行了系统的阐述并针对一阶加纯滞后对象推导了单变量预测函数控制的基本算法。

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