查询词典 error model

This approach is a combination of signal analysis and mathematical model .By the denoising function of wavelet and the learning itself function of neural network , the input and output nonlinear dynamic characteristic of system is obtained . The output prediction error, generated from the real output and wavelet neural networks estimated output, is used as a residual error to execute logical judge. and this approach can improve the speed and accuracy rate of fault detection.

它是一种把信号分析和数学模型相结合的故障检测方法，通过小波对信号的去噪和神经网络的自学习功能，来获取系统输入输出的非线性动力学特性，进而实时计算出残差并进行逻辑判决，可提高故障检测的速度和准确率。

An evaluating algorithm of maximum inscribed circle for roundness error in the Cartesian coordinates and a measurement model of roundness error is introduced in this paper.

介绍了一种在直角坐标系下利用最大内接圆法评价圆度误差的方法，建立了圆度测量模型。

Fourthly, taking three groups of water quality data of Jinhe River as original data, prediction to water quality of the river was made. Compared with real monitored value, the error of predicted value of all of simulating terms, including dissolved oxygen, bio-chemical oxygen demand, chlorophyll a, organic nitrogen, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, organic phosphorus, dissolved phosphorus and temperature, were basically within error limit of 20%, which validated the validity of the model.

第四，以津河三组水质数据为原始数据，通过建立的模型对津河水质进行预测，水质变量溶解氧、BOD、叶绿素、有机氮、氨氮、亚硝酸盐氮、硝酸盐氮、有机磷、溶解性磷和温度的预测值与实际监测值均在所设定的误差范围20%之内，验证了模型的有效性。

The factors that influence contour accuracy of the machine are analyzed. The equation ofcontour error due to feeding axis's dynamics is derived by circular contour motion of themachine, and a model of contour error is proposed.

五、研究了引起轮廓误差的各种因素，以圆弧轮廓为例推导了联动坐标轴动态特性对轮廓误差的影响公式，提出了轮廓误差模型。

Based on the measurement sample stationarity in limited distance,the prediction model's limited astringency and mensurability to the dynamic measuring error and the prediction error respectively are proven.

首次研制成功了高精度任意二面角与圆分度测量系统，并编制了基于MS Windows的测量和系统控制软件。

Firstly, we study how the ensemble number, surface soil moisture observational error and model error impact on the results.

第四章研究了集合平方根滤波同化方法利用表层土壤湿度观测反演深层土壤湿度信息的能力。

This paper examines system error,Observational Gross Error, and noise correlation in Kalman filter model of kinematicpositioning. The research conducted is of both theoretical and practical relevance.

论文针对动态定位中卡尔曼滤波模型的系统误差，测量粗差，噪声相关性等问题的研究，具有重要的理论与实际意义。

Observationalgross error, such as cycle slip, and deleting nonlinear high-order term above quadraticcan make the observational equation emerge model error.

非线性二次以上高次项舍去，以及周跳等观测粗差等原因，使观测方程产生模型误差。

The quantitative analysis model of soluble solids content in tomato samples was built based on Partial least squares and its correlation coefficient between prediction and actual value is 0.954, yielding standard error of calibration=0.321, standard error of prediction=0.475%.

用偏最小二乘法建立的定量分析模型，其预测值和实测值的相关系数为0.954，校正标准差为0.321%，预测标准差为0.475%。

A simulation model was set up. Simulation outcome shows that compensating torque can be rapidly regulated according to demands of dynamic loading.Stable-state error is less than one percent,and dynamic error is much more less than that of traditional PID.In the

建立了仿真实验模型，运行结果表明：补偿转矩能够根据动态加载的要求进行快速调整；稳态运行速度误差小于1%，动态误差远远小于传统PID控制。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。