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估计误差方差
相关语句
  estimation error variance
     Mixed H_2/H_∞ filtering with estimation error variance constraints
     估计误差方差约束混合H_2/H_∞滤波
短句来源
     This paper considers the problem of robust constrained variance state estimation for linear continuous , stochastic systems with structured parameter perturbations. The problem is the design of filter gains such that the steady-state value of the estimation error variance for each state of the perturbed. system is not more than the prespecified value, and .
     本文考虑含结构参数扰动的线性连续随机系统的鲁棒约束方差状态估计问题,即设计滤波增益,使受扰系统每个状态分量的估计误差方差的稳态值不大于预先给定值,同时滤波矩阵具有期望的稳定裕度.本文给出了上述性能鲁棒滤波增益的存在条件及解析表达式,并提供了相应的数值例子.
短句来源
     A New Approach to Continuous-time Kalman Filter with Estimation Error Variance Constraints
     具有估计误差方差约束的连续时间卡尔曼滤波新方法
短句来源
     They avoid to calculate the inverse of the estimation error variance matrices,and have the generality.
     它们避免了计算估计误差方差阵的逆矩阵,且具有通用性。
短句来源
     The problem of state estimation for linear discrete-time stochastic systems with estimation error variance and H_∞ morm constraints is considered. The aim of this problem is to design the filter gain such that the steady-state estimation error variance for each state is not greater than the prespecified value,and the transfer function from disturbances to error states satisfies the prespecified H_∞ norm constraint,simultenous-ly.
     考虑了线性离散随机系统在估计误差方差和H_∞范数约束下的状态估计问题,即设计滤波增益,使系统每个状态分量的估计误差方差的稳态值不大于预先指定值,同时从扰动到误差状态输出的传递函数也满足预先给定的H_∞范数约束。
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  “估计误差方差”译为未确定词的双语例句
     Then,the BIT fault detection and diagnasis system is designed by the application of the H_2/H_∞ filter with steady-residual error variance constraints.
     基于估计误差方差约束混合H2/H∞滤波方法,设计了BIT故障检测诊断系统。
短句来源
     On the presence of gyro drift, the estimation error of the platform misalignment is influenced by the cross angle β of the two-navigation-star vectors together with the number N of star observation,then the relative relationship is given and the result is instructive for engineering practice.
     本文对平台失调角估计误差的统计特性进行了分析,推导出了平台失调角估计 误差方差的表达式,给出了平台失调角估计误差与两颗导航星星矢量夹角β以 及观星次数N之间的关系,该结论对于工程实践中对β和N的选择具有指导意 义。
短句来源
     The problem of robust H ∞ filtering for the Delta operator formulated uncertain discrete time systems with error variance constraints is considered.
     研究Delta算子不确定系统在稳态估计误差方差约束下的鲁棒H∞ 滤波问题 .
短句来源
     The decrements in the variances of the estimation errors are used to measure the performance improvements.
     利用状态变量估计误差方差的减小量度量了引入运动约束之后性能改善的程度.
短句来源
     Monte Carlo tests show that this method can improve the estimation accuracy significantly and the variance of parameter estimation is close to the Crammer Rao bound.
     仿真试验表明 ,采用该方法估计单分量正弦信号参数时为近似无偏估计 ,估计误差方差接近Crammer Rao界。
短句来源
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  相似匹配句对
     Estimation of the INS's Errors
     惯性导航系统的误差估计
短句来源
     The algorithms for these interpolants are presented and the error estimations are given.
     给出了误差估计;
短句来源
     d. errors.
     d误差
短句来源
     b) a G-M estimator of ω'1α, ω'2β and ω'1α+ω'2β under L (Xβ, Aα; δ21V, δ22U} respectively.
     b)G-M估计
短句来源
     Estimation of Semiparametric Errors-In-Variance Model
     半参数方差误差模型的估计
短句来源
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  estimation error variance
Using this approach, the optimal design of the network can be attained by minimising the related estimation error variance.
      
We have studied the robust filtering problem for uncertain bilinear stochastic discrete-time systems with estimation error variance constraints.
      


In this study,determinations of plasma viscosity(Y)and its 6 chemical factors --x1 albumin, x2 globulin, x3 fibrinogen, x4 cholesterol, x5 triglyceride and x6 beta-lipo-protein were carried out in 39 subjects. Linear regression equation aswas made. The contributions of these factors to viscosity were foundin order of x2→x3→x6→x4→x5→x1. Then the progressive regressions were done at different levels of F, the main factors being chosen and the minor ones d iscarded. On verification by the coefficient of multiple...

In this study,determinations of plasma viscosity(Y)and its 6 chemical factors --x1 albumin, x2 globulin, x3 fibrinogen, x4 cholesterol, x5 triglyceride and x6 beta-lipo-protein were carried out in 39 subjects. Linear regression equation aswas made. The contributions of these factors to viscosity were foundin order of x2→x3→x6→x4→x5→x1. Then the progressive regressions were done at different levels of F, the main factors being chosen and the minor ones d iscarded. On verification by the coefficient of multiple correlation, standard error of estimate, analysis of variance and its application, to practice, the equation was proved to be satisfactory, for it was found to coincide with actual condition as Y=0.59453+3.23404·10-4 x2+ 5.15788·10-4 x3 + 5.14465·10-4 x6. Theoretically, the above equation showed the intrinsic relation between viscosity and the main factors, and clinically it seemed to be of great help to the diagnosis and treatment of high plasma viscosity syndrome.

本文对39例对象的血浆粘度(Y)及其六个血浆成分——白蛋白(x_1)、球蛋白(x_2),纤维蛋白原(x_3)、胆固醇(x_4)、甘油三酯(x_5)和β脂蛋白(x_6)进行了测定,并对Y和x_1~x_6进行了六元回归,还对这六个因子产生血浆粘度的贡献作了排列,依次为x_2→x_3→x_6→x_4→x_5→x_1。继之以不同的F值的界限,进行了逐步回归,选取其主要因子和剔除其次要因子,从其复相关系数、标准估计误差、方差分析并在实际应用中加以检验,最后获得的三元方程式:Y=0.59453+3.23404·10~(-4)x_2+5.15788·10~(-4)x_3+5.14465.10~(-4)x_6是与实际相符合的较为理想的方程式。这一方程在理论上反映了与血浆粘度形成有关的主要化学成分,以及粘度与其主要化学成分间的定量关系;在临床上对于诊治高粘血浆症有一定的指导意义。

A new combining algorithm of decentralized square root information filtering for linear discrete-time systems is presented. In the approch not only the global state estimate, but also the error covariance of global estimate, can be combined by the local filtering results. The approch provides major improvements in throughput and is suited to real-time implementation.

本文研究一种新的分散信息平方根滤波算法。它不仅能由子滤波器的滤波计算结果合成得到总体意义上的系统状态最优滤波值,而且能由子滤波器的滤波计算结果直接合成得到主滤波器的状态估计误差的方差阵。

Inversed genetic evaluation of SD-I Strain boars was conducted for daily gains, backfat thicknesses and appearance seores by least squares (LS), BLUP with numerator relationship matrix (BLUP-1) and not with numerator relationship matrix (BLUP-2) in order to explore the application of BLUP in pig's systematic breeding. It was ideal for the traits with medium and high heritability to select by complex selection index. BIUP was more accurate because of its minimum predicted error variances (PEV). Multiple trait...

Inversed genetic evaluation of SD-I Strain boars was conducted for daily gains, backfat thicknesses and appearance seores by least squares (LS), BLUP with numerator relationship matrix (BLUP-1) and not with numerator relationship matrix (BLUP-2) in order to explore the application of BLUP in pig's systematic breeding. It was ideal for the traits with medium and high heritability to select by complex selection index. BIUP was more accurate because of its minimum predicted error variances (PEV). Multiple trait breeding value may be replaced by complex breeding value weight by single trait dreeding value in breeding.

用带亲缘相关阵的BLUP法(BLUP-1),不带亲缘相关阵的BLUP法(BLUP- 2)及最小二乘法(LS),就日增重、背膘厚及外形评分三性状对SD-I系种公猪进行了逆向遗传再评定,以探讨BLUP法在猪继代选育中的应用。结果表明:①对遗传力较高的性状用综合指数法选择是比较理想的;②BLUP法较LS法精确,且以BLUP-1最精确,估计误差方差(PEV)最小;③选育中可用经加权而成的BLUP综合育种值代替多性状育种值。

 
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