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- In the case that large aerodynamic model errors exist, a guidance law based on the strong tracking filter (STF) for the reentry maneuverable spacecraft was proposed. 摘要研究了气动模型存在误差情况下高超声速再入机动飞行器的制导律设计问题。
- Firstly, an average performance index containing tracking error and plant input energy over a class of stochastic model errors is defined. 首先基于一类随机模型误差的描述,定义了一个平均意义上的包含跟踪误差和控制能量在内的性能指标;
- Thirdly, an adaptive factor is used to adjust the covariance matrix of state noise, and reduce the bad influence of state model errors to orbit results. 通过自适应因子实时调节状态噪声协方差阵,以降低状态异常对定轨结果的影响。
- Firstly, an average performance index containing tracking error and control energy over a class of additive model errors is defined. 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。
- The water temperature control model of holothurian aquaculture and the model error are analyzed in this paper. 摘要 主要研究养殖池内水温控制模型的建立与误差分析。
- We thence analyze compendiously model error’s influence of damage position and damage degree. 最后扼要地分析模型误差对损伤识别位置和损伤程度的结果影响。
- Convert GPS elevation project research method can reduce the model error, improve conversion accuracy and conversion computational efficiency. 项目研究转换GPS高程的方法,能减少模型误差,提高转换精度和转换计算效率。
- Liu Dajie and Yu Zhenglin.Maximum Verisimilitude Estimate of Random Model[A]."The Papers for Theory &Application of Survey Adjustment Models &Models Errors"[C]. 刘大杰;于正林.;随机模型的极大似然估计[A]
- Secondly, the modeling errors are eliminated by a compensator based on the adaptive fuzzy logic systems. 其次,应用自适应模糊逻辑系统作为补偿器来补偿建模误差。
- A nonlinear identification algorithm base on the minimum model error(MME) approach and multiple shooting method is used to identify nonlinear dynamic model during aircraft take off and landing affected by ground effects. 利用基于最小模型误差法和线性不连续跳跃多重打靶法建立的非线性辨识法,辨识了飞机起飞着陆过程的非线性动态模型。
- This paper studies the nonparametric estimates of general weight function of the nonparametric regression function with fixed design points, when the model error is martingale sequence, and we give the optimal convergence rate under some conditions. 摘要当误差为鞅差序列时,研究固定设计点列情形下非参数回归函数一般权函数的非参数估计,并在一些基本条件下给出了估计的一致最优强收敛速度。
- An approach to calcu1ate the water saturation by the use of the theory is given in thispaper. The results show that the model error for water saturation calculation is less than orapproximately equal to that of the Archie equation. 本文绘出了用该理论计算含水饱和度的方法,计算含水饱和度的模型误差小于或接近于阿尔奇方程。
- Because of the non steadiness of the kernel function, a data depth weight kernel estimator for model error was produced based on the data depth theory so as to restrain the singular data. 根据数据深度理论,建立了非参数模型误差的深度加权核估计方法,提高了模型误差估计的抗差注。
- Then, due to the existences of G-FNN modeling error and external disturbance, a robust compensator was designed based on control theory. 考虑到网络建模误差和外部干扰的存在,还设计了基于控制理论的鲁棒补偿器。
- The theoretical and practical significance of modeling error and controlling error in multiaxial servo systems was pointed out. 指出了多轴加工中轮廓误差建模和误差控制方法的理论意义和应用价值。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- Compared with existing approaches, auto-companding can help in controlling modeling error and reducing the number of basis functions employed. 与已有方法相比,采用自动压扩技术可以有效的控制模型误差并减少采用的基函数的个数,从而可以达到更好的建模效果。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。