针对感应同步器测角系统,提出了一种自动检测测角误差、辨识误差模型系数和补偿误差的方法。
A method that measuring angular displacement error, identifying parameters of error model and compensating error automatically was put forward based on inductosyn angular measuring system.
提出了一种在不带有反转平台的精密离心机上标定陀螺加速度计误差模型系数的两位置测试方法。
The paper presented a two-position test method for calibrating error model coefficients of PIGA (pendulous integrating gyro accelerometer) using precision centrifuge without counter-rotating platform.
阐述了所提方案的测试原理,并提出分离和精确标定陀螺加速度计误差模型系数的数据处理方法。
Its testing principle was expounded, and a data processing method for separating and accurately calibrating error model coefficients were presented.
根据误差模型及系数,采用软件进行误差补偿,有效地提高了测角系统的精确度。
The accuracy of angular displacement was increased greatly by software error compensation according to the error model and parameters.
与现有模型相比,新模型不仅合理地描述了气固两相相互作用的物理过程,而且避免了以往采用经验系数所导致的误差和局限性。
Comparing with the existing models, the new model can describe the interaction between gas phase and particle phase reasonably, and avoid error caused by the inaccurate experiential coefficient.
提出了一种在带有反转平台的精密离心机上标定陀螺加速度计误差模型二次项系数K 2的D -最优试验方案。
D-optimal test scheme was presented for calibrating second-order coefficient K2 of PIGA (Pendulous Integrating Gyro Accelerometer) error model on a precision centrifuge with counter-rotating platform.
采用非量纲分析法,验证了统一模型的误差仅依赖于阻尼系数。
It is demonstrated that the errors of the unified valve model are dependent on the damping coefficient alone using a non-dimensional approach.
对这类模型的统计建模,人们既关心回归系数的估计,更关心误差条件方差结构中未知参数的估计。
For this kind of modeling, people care for not only the estimation of regressive coefficient but also the estimation of unknown parameters in conditional skedasticity.
在本文中,我们将对系数剧烈振荡的线性弹性力学方程做模型误差估计。
In this paper, we provide a detailed estimate for the modeling error of linear elasticity problems with highly oscillatory coefficients.
求出位系数模型和大气阻力引起的重力梯度卫星的轨道误差;
The orbital errors due to the potential coefficient model and atmospheric drag for the gradiometry satellite are obtained;
通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。
Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.
其次,建立了月球软着陆主制动段的误差模型,并运用误差敏感系数矩阵对所提出制导律的制导误差进行分析。
Secondly, error modules of main braking were established and errors of the guidance law designed above were analyzed by error sensitivity coefficient matrixes.
但传统的计算氯离子扩散系数的方法比较繁琐而且误差较大,本文将传统的计算模型进行了转化,给出一种简单且更加合理的计算方法。
The traditional models for calculating the diffusion coefficients are inconvenient and with much error. In this paper, a new model is set up, which makes the calculation of thed…
建立了采样点均匀分布情况下,圆度误差测量采样点数量与测量极限误差之间的定量关系数学模型。
Under the situation of even distribution of fitting nodes, a mathematic model is established by means of the relation between the number of fitting nodes and the limit error of measurement.
讨论了函数系数自回归模型,在误差项服从正则变化尾的情形下,模型的概率性质。
The probabilistic properties of functional coefficient auto-regression models with regularly varying tailed are discussed.
讨论误差相关下半变系数模型的随机约束估计。
The random constrained estimation of semi-varying coefficient models with co-relational errors are discussed in this paper.
同时,还给出了百分误差绝对值最小为目标的组合预测模型及权系数求解方法。
At the same time, methods for solving CFM is given with the aim of minimizing sum of percentage error absolutes.
结果:所建的5个模型对验证集样品水分含量的预测值与实测值的相关系数均在0.90以上,预测误差均方根(RMSEP)均在0.05以下。
Result:The coefficients of correlation of inner cross validation and external validation are both above 0.90, and the RMSECV and RMSEP are both below 0.05.
该方法不依赖于系统的精确模型,将待控制量的误差及其变化率作为输入,根据控制要求建立模糊规则,实时输出比例、积分、微分系数的修正量,从而改善控制效果。
This method does not depend on the precise model, and establish the fuzzy rules under certain control requires. It can improve the Control results by adjusting the parameters in time.
采用确定系数、绝对误差、相对绝对误差、均方根误差、相对均方根误差等模型评价指标对不同模型系统的精度进行比较分析。
Coefficient determination, absolute bias, relative absolute bias, root mean square error and relative root mean square error were employed to evaluate the precision of different model systems.
以实例建立了不同穿透样锡品位变化系数值的金属储量误差与工程数量的回归模型,并将其应用于金属储量误差估计和工程效果的预测。
Taking the large type of compound lenticular skarn ore deposit-sulfide deposit as an example, we've established the regression model of the metallic reserve…
以实例建立了不同穿透样锡品位变化系数值的金属储量误差与工程数量的回归模型,并将其应用于金属储量误差估计和工程效果的预测。
Taking the large type of compound lenticular skarn ore deposit-sulfide deposit as an example, we've established the regression model of the metallic reserve…
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