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残差方程
相关语句
  letting residual equation
     It is using 2nd and 3rd B-spline function as trial function terms in time domain and trigonometric series which satisfy the bound conditions as trial function terms in space domain. In time domain,letting residual equation of spline node equal zero,we can get a set of recurrence formulae for solving parabolic and hyperbolic partial differential equations.
     它是以二次B样条函数和三次B样条函数为时域的试函数,以满足边界条件的三角级数为空间域的试函数,在时间域内以样条节点残差方程为零的条件分别得到一组求解抛物型和双曲型偏微分方程的递推公式。
短句来源
  residual equation
     It is using 2nd and 3rd B-spline function as trial function terms in time domain and trigonometric series which satisfy the bound conditions as trial function terms in space domain. In time domain,letting residual equation of spline node equal zero,we can get a set of recurrence formulae for solving parabolic and hyperbolic partial differential equations.
     它是以二次B样条函数和三次B样条函数为时域的试函数,以满足边界条件的三角级数为空间域的试函数,在时间域内以样条节点残差方程为零的条件分别得到一组求解抛物型和双曲型偏微分方程的递推公式。
短句来源
  “残差方程”译为未确定词的双语例句
     Residual signal is obtained by using an unknown input observer,sensor and actuator's fault can be detected and isolated. The rules for the choice of threshold in the design procedure are also given.
     通过对系统设计未知输入观测器,利用观测的状态得到残差方程,从而诊断出时滞系统的故障,并能对传感器故障和执行器故障进行分离,最后给出故障诊断系统阈值的选取原则。
短句来源
  相似匹配句对
     The equation is an extensiveSchrodinger one.
     dinger方程
短句来源
     The simple equation changes into nonlin-ear Schrodinger equation when viscous effect is died away.
     dinger 方程
短句来源
     \$ estimation.
     估计的残差
短句来源
     A METHOD OF MINIMUM RESIDUAL ERROR FOR ESTABLISHING DISCHARGE-DRAWDOWN EQUATION
     建立涌水量曲线方程的最小残差
短句来源
     Solution to Regression Equations on the Rule of Minimum Sum of Absolute Errors
     残差绝对值之和最小准则下回归方程的求法
短句来源
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  residual equation
Considering the coarse grid correction, the residual equation is assumed to be solved by direct matrix inversion.
      
On the coarser meshes the same procedure is used except that the residual equation Ae = r is solved.
      
Since the model equation is linear, we can always consider the residual equation for the error.
      
This process is then repeated until the coarser grid is small enough, for the residual equation to be solved without significant computational load.
      
These would affect the estimation by adding components to the overall residual equation.
      


In linear system identification, the error of system equations will usually be correlative because of existance of the noice produced in measuring the input and the output. Therefore, the obtained estimate will be biased if using the ordinary least square method. Usually a generalized least squar syuare method is used to eliminate the deturbing of this noice. But, generliged least square method requires that error equations must be determinisiic and the data must be filtered. Moreover, this method needs large...

In linear system identification, the error of system equations will usually be correlative because of existance of the noice produced in measuring the input and the output. Therefore, the obtained estimate will be biased if using the ordinary least square method. Usually a generalized least squar syuare method is used to eliminate the deturbing of this noice. But, generliged least square method requires that error equations must be determinisiic and the data must be filtered. Moreover, this method needs large memory and has lower calculating speed. Using both of theoretical derivation and emulation, this paper introduced another kind of qeneralized method With unbiased estimate—FGLS method and discussed how to determine parameters, listed the questions related to this method simulation and gave an algorithm flowchart.

在线性系统辨识中,由于输入/输出间存在着量测噪声等,致使系统方程的残差是相关的,应用普通最小二乘法求取模型得到的将是有偏估计。为克服这一缺点,常采用广义最小二乘法,但它要求确定的残差方程和进行数据滤波、具有存储量大、计算速度慢等缺点。本文介绍另一种无偏估计的新算法—快速广义最小二乘法,通过理论推导和仿真研究,给出算法框图、选择参数方法以及仿真运行中的有关问题。

A new Weighted Residual Method for solving Partial differential equation is presented in this paper.It is using 2nd and 3rd B-spline function as trial function terms in time domain and trigonometric series which satisfy the bound conditions as trial function terms in space domain.In time domain,letting residual equation of spline node equal zero,we can get a set of recurrence formulae for solving parabolic and hyperbolic partial differential equations.Finally,some analysis is made on the results obtained and...

A new Weighted Residual Method for solving Partial differential equation is presented in this paper.It is using 2nd and 3rd B-spline function as trial function terms in time domain and trigonometric series which satisfy the bound conditions as trial function terms in space domain.In time domain,letting residual equation of spline node equal zero,we can get a set of recurrence formulae for solving parabolic and hyperbolic partial differential equations.Finally,some analysis is made on the results obtained and calculating stability of the formala is studied.

本文提出一种求解偏微分方程的加权残数法。它是以二次B样条函数和三次B样条函数为时域的试函数,以满足边界条件的三角级数为空间域的试函数,在时间域内以样条节点残差方程为零的条件分别得到一组求解抛物型和双曲型偏微分方程的递推公式。最后,通过算例进行具体分析,并讨论其算法的稳定性。

This paper suggests an improved multi grid Method by poly mapping technique.That is,a residual error is mapped onto coarse grid and formed several independent residual error sub equations.By solving these sub equations on coarse grid,it averages weightedly the solutions of sub equations and interpolates onto fine grid.Using this method a processor idle problem on parallel MGM is better solved.

提出了一种改进的、交错的多重网格方法,在从细网层到粗网层转换时,把粗网层上的残差方程分解为几个独立的子问题求解,然后加权平均到细网层,从而较好地解决了多重网格方法并行化技术中粗网上处理器闲置的问题

 
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