并指出在GIS数据中如何估计系统方差和置信系数,是需要深入研究和解决的难题。
We can get its estimating methods sparately and aclvance how to estimate system variance and confidence coefficient are problems that are need further researches.
基于线性无偏最小方差估计理论,提出了一种任意相关噪声异类传感器非线性系统状态矢量融合算法。
Based on linear unbiased minimum variance estimation theory, a fusion algorithm which fused the state vector of nonlinear systems with dissimilar sensors with arbitrary correlated noises is developed.
这个计算方法,根据给定的系统随机输入的统计特征,可计算各犁铧耕深的方差、发动机转速和扭矩的方差。
With this method the depth variance of plow, the variance of the revs and the torque of engine can be calculated, according to the given characteristic of stochastic disturbance.
另外该系统实现了仿真试验数据关系图形的绘制及仿真试验数据的方差分析和因素显著性检验等功能。
In addition, the system can draw the relevance picture of experiment data, and make variance analysis and verification of notability of these data.
根据接触悬挂系统中的接触线振动方程,推导了接触线应力的均值和方差的计算公式。
Vibration equations of contact wires were used to derive the formulae for calculation of mean and standard deviations of stresses.
通过方差分析送风参数对桌面工位空调送风系统工作区热舒适性的影响,发现送风量是影响工作区热舒适的最显著的因素。
From analysis of variance to check the influence that supply parameters of the desk TAC system impress to the task area, the supply air volume is the most significant factor.
分析自适应光学系统的控制残余方差与控制带宽的关系。
The relationship between residual servo variance and control bandwidth of an adaptive optics system is discussed.
根据测量方差对单一导航传感器信息进行动态不确定度评定,进而确定组合导航系统的组合不确定度。
Then the dynamic uncertainty of single navigation sensor is evaluated according to this variance, and thus the combined uncertainty of the combined navigation system is worked out.
在线性无偏最小方差估计准则下,推导出了该离散化后所得系统的全局最优递推状态估计算法。
In the sense of linear unbiased minimum variance estimation, a global optimal recursive state estimation algorithm for this discretized linear system is proposed.
也为采用某些数学方法(如协方差描述函数法)进一步研究火箭发射系统的统计性能作了必备的前提工作。
So the study makes an easy way for launching research of MLRS and prepares for applying some mathematics methods (such as CADET) in the statistic field of MLRS.
在这类特殊的多传感器系统中,本文通过矩阵运算消除相关估计方差,得到了最优分布式融合估计算法。
For this special multisensor system, distributed optimal fusion algorithm is received by avoiding computing correlated estimation covariance based on the matrix operation.
本文研究系统寿命的均值和方差,并设计出较为理想的可靠性系统。
In this paper, we consider both the mathematical expectation and variance for the time to failure of some systems and design a system with ideal reliability.
研究一类非因果系统的最小方差滤波与平滑。
In this paper, minimum variance filtering and smoothing algorithms of a class of non-causal systems are discussed.
实时估计出系统噪声方差矩阵和量测噪声方差矩阵,对状态变量进行灰色聚类,并对滤波矩阵和增益矩阵进行实时自适应调整,计算出状态向量的递推估计值。
Based on real-time estimation of noise matrix and grey clustering of state variable, filter or gain matrix is modulated so as to get an estimation of the state vector.
基于未确知理论,定义了系统不确定性的一个度量尺度——盲数方差。
Based on the uncertainty theory, a measurement scale of uncertainty - blind number variance is defined.
结果表明:色散随机变化增大了暗孤子到达检测窗口的时间抖动方差而降低了暗孤子传输系统的容量。
The results show: the stochastic dispersion variation apparently leads to the time jitters and reduces the capacity of the dark soliton transmission system.
这种方法采用直接估计增益K,避免了求解系统噪声方差阵q和量测噪声方差阵r,使系统的稳定性增强。
This method estimates filter gain matrix K directly, avoids calculating system noise covariance matrix Q and measure noise covariance matrix r, it improves stability of the system.
该系统由两个重要步骤组成:1基于灰度方差的车牌定位算法,2结合连通域分析和投影分析的字符切分算法。
The proposed method is divided into two steps: 1 license plate location by the variance of gray image, and 2 license plate segmentation by connected components analysis and projection analysis.
本文的目的在于,对于线性平稳时间序列的样本、自协方差、自相关和偏相关函数的渐近性质,给出一个比较系统的描述。
The aim of this paper is to give a systematic account of asymptotic properties of the sample autocovariance, autocorrelation and partial autocorrelation functions of linear stationary time series.
基于线性无偏最小方差估计理论,提出了一种任意相关噪声异类传感器非线性系统状态矢量融合算法。
Based on the linear unbiased minimum variance estimation theory, an asynchronous fusion algorithm that fused the state vector of linear system with arbitrary correlated noises is developed.
该文对MIMO - OFDM系统中基于导频辅助的LMMSE信道估计算法进行了研究,导出了其估计均方差的下界。
The LMMSE channel estimation algorithms based on Pilot-Assisted is investigated for MIMO-OFDM systems, and the Low-Bound of MSE for LMMSE channel estimation is derived.
在系统具有正则无穷远极点和奇异无穷远极点的条件下,得到了系统状态向量的均值、方差阵及协方差阵的计算公式。
The state vectors expectation, variance and covariance matrices are given under the conditions of the systems with regular infinite extreme point and singular infinite extreme point.
通过求解方差方程,用数值方法对对随机激励作用下的转子系统的位移响应方差进行了研究。
The displacement response variance of the rotor system under random excitation was investigated numerically by solving the variance equation.
本文研究具有即时观测和两个延迟观测系统的线性最小均方差估计。
This paper is to study the linear minimum variance estimation for discrete-time systems with instantaneous and two time delayed measurements.
该算法采用协方差匹配技术,依据滤波新息,动态调整测量噪声方差,使融合系统的均方误差始终最小。
With covariance matching technique and innovation information of filtering, the noise variance is dynamically adjusted and the mean square error of the fusion system always keeps minimum.
研究一类随机系统具有期望的动态误差系数、稳态输出方差和相对稳定裕度约束的满意PID控制问题。
The problem of satisfactory PID control for a class of stochastic systems with constraints on dynamic error coefficient, steady-state output variance and relative stability margin is considered.
目的通过估计误差方差阵,对多传感器组合导航系统中不同的融合数据进行定位精度比较,为系统定位提供选择数据的依据。
Aim Using the variance matrix of estimated error, positional accuracy can be compared with different mixing together data, it has put forward a kind of basis for system location to select data.
该方法不需假设系统或单元产品的寿命服从某一分布,减少了因寿命分布选择不当所造成的可靠性和方差的误差。
This method can be used without assuming that lives of system or component follow time-to-failure distribution, decreasing reliability and variance errors due to incorrect life distribution selection.
该文阐述了AEFCC系统的基本原理,包括内环CAR模型、外环AR模型、最优预报律和最小方差自适应控制律。
The basic principle of AEFCC system that included inner-ring CAR model, outer-ring AR model, optimization forecasting law and minimum deviation adaptive control principle were discussed in this paper.
该文阐述了AEFCC系统的基本原理,包括内环CAR模型、外环AR模型、最优预报律和最小方差自适应控制律。
The basic principle of AEFCC system that included inner-ring CAR model, outer-ring AR model, optimization forecasting law and minimum deviation adaptive control principle were discussed in this paper.
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