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采样估计
相关语句
  sampled data estimation
     Sampled data Estimation with Appointed Covariance for Continuous time Systems
     具有指定协方差的连续系统采样估计
短句来源
     SAMPLED DATA ESTIMATION WITH COVARIANCE ASSIGNMENT
     基于协方差配置的采样估计
短句来源
     Compared with traditional sampled data estimation approaches, the method provided in this paper is more accurate and convenient.
     与传统的采样估计方法相比,该文的设计方法更加准确、简便。
短句来源
  sampled-data estimation
     Sampled-Data Estimation for Continuous-Time Systems with Uncertain Observations
     观测不确定情形下连续系统的采样估计
短句来源
  “采样估计”译为未确定词的双语例句
     A new method for frequency estimation from wide-band under-sampled data
     一种新的宽频带信号频率欠采样估计方法
短句来源
     Robust SampledData Estimation for Continuous Systems with Noise Intensity Uncertainty*
     噪声强度不确定的连续系统的鲁棒采样估计(英文)
短句来源
     A CUBE SIZE ESTIMATION STRATEGY OF DATA WAREHOUSE BASED ON SAMPLING
     一种数据仓库数据立方体空间采样估计策略
短句来源
  相似匹配句对
     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
     SAMPLED DATA ESTIMATION WITH COVARIANCE ASSIGNMENT
     基于协方差配置的采样估计
短句来源
     Estimation of Error for Wavelet Sampling
     基于小波采样的误差估计
短句来源
     An Estimator of Reflection Coefficients
     反射系数的估计
短句来源
     3. Low filtering of sampling signals is realized.
     3.采样信号处理。
短句来源
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In the present paper, a sampled data estimation covariance is defined by taking complete account of intersample behavior. It is shown that the sampled data estimation covariance is more suitable as a performance criterion for sampled data estimation. Based on this definition, the sampled data estimation covariance assignment problem is considered. The main purpose of this problem is to design filter gains such that the sampled data estimation covariance achieves a prespecified value. The problem addressed...

In the present paper, a sampled data estimation covariance is defined by taking complete account of intersample behavior. It is shown that the sampled data estimation covariance is more suitable as a performance criterion for sampled data estimation. Based on this definition, the sampled data estimation covariance assignment problem is considered. The main purpose of this problem is to design filter gains such that the sampled data estimation covariance achieves a prespecified value. The problem addressed is reduced to the design of a linear filter for a fictitious discrete time system. Both the existence conditions and the explicit expression of the desired filters are given. Compared with traditional sampled data estimation approaches, the method provided in this paper is more accurate and convenient. An illustrative example is provided to demonstrate the directness and effectiveness of the design procedure.

该文在充分考虑系统内采样特性的基础上提出了采样估计协方差的定义,以便精确地描述采样估计性能。在此基础上,文中研究了采样估计协方差的配置问题,即设计滤波增益,使采样估计协方差在稳态时达到指定值,还将设计问题等价地转化为相应的离散系统的情形,给出了期望滤波增益的存在条件及解析表达式。与传统的采样估计方法相比,该文的设计方法更加准确、简便。数值例子说明了设计方法的直接性和有效性。

In this paper, the problem of robust sampleddata estimation for continuous systems with noise intensity uncertainty is discussed by taking account of intersample behavior. The primary purpose of this study is to design discrete filters for this kind of uncertain systems such that the estimation error variance of each state is not greater than a specified value, and therefore the steadystate behavior of the filtering result will be satisfactory. This paper first studies the case that only the intensity of the...

In this paper, the problem of robust sampleddata estimation for continuous systems with noise intensity uncertainty is discussed by taking account of intersample behavior. The primary purpose of this study is to design discrete filters for this kind of uncertain systems such that the estimation error variance of each state is not greater than a specified value, and therefore the steadystate behavior of the filtering result will be satisfactory. This paper first studies the case that only the intensity of the model noise is uncertain. Then it is shown that the design method in this paper is also suitable for the systems with measurement noise intensity uncertainty. Finally, a numerical example is provided to demonstrate the usefulness and effectiveness of the design method in this paper.

基于内采样特性讨论噪声强度不确定的连续系统的鲁棒采样估计问题,主要目的是为这类不确定系统设计离散滤波器,使每个状态的估计误差方差不大于预先指定值,从而获得满意的稳态滤波特性.文中首先研究了仅有模型噪声强度不确定时的情形,随后说明当测量噪声强度不确定时可用同样方法进行研究.最后用数值例子说明了本文设计方法的有用性和有效性

It is quite common in state estimation problems to have performance objectives that are expressed as the error covariance. In this paper, a sampled data estimation covariance is defined by taking into account the intersample behavior completely. An innovation method of sampled data estimation is also presented. The purpose of this problem is to design discrete estimators which can assign the sampled data estimation covariance to a prespecified value such that the steady state behavior of the state estimation...

It is quite common in state estimation problems to have performance objectives that are expressed as the error covariance. In this paper, a sampled data estimation covariance is defined by taking into account the intersample behavior completely. An innovation method of sampled data estimation is also presented. The purpose of this problem is to design discrete estimators which can assign the sampled data estimation covariance to a prespecified value such that the steady state behavior of the state estimation is satisfactory. The sampled data estimation problem is reduced to estimator design for a fictitious discrete time system. Both the existence conditions and the explicit expression of the desired estimators are given. An illustrative example is provided to demonstrate the effectiveness of the design procedure.

在工程应用中,状态估计的指标要求常常表现为误差协方差的形式.在充分考虑系统内采样特性的基础上,提出了采样估计协方差的定义和一种新的采样估计方法,目的在于设计离散估计器使采样估计协方差达到指定值,从而获得满意的稳定状态估计性能.将此采样估计问题等价地转化为一个虚拟离散系统的估计器设计问题,给出了期望估计器的存在条件及显式表示.数值例子说明了方法的有效性.

 
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