误差系数

Consider singular growth curve model as follows : Y = ABC + E , where A , C are all known matrices, B is an unknown matrix of regression coefficients , Y is a matrix of observations and E =(1,(2),...

中文摘要：考虑奇异增长曲线模型：Y=ABC+E，其中A、C均为已知矩阵，B是未知回归系数阵，Y为观测资料阵，E=ε_((1)…ε_(n′为随机误差阵，假定Eε_(iε_(i′=∑，i=1，2…n，Eε_(iε_(j′=0，i≠j，这里∑≥0。

This thesis compared various related literatures and chose the RAS method with the least measurable error to set up the regional input-output model and to assess the linkage contributions and the economic multiplier impacts.

为分析区域经济效益，本研究藉由相关研究文献进行比较，选择以推估误差最小之RAS法作为区域系数推估方法，进行区域产业关联效果与经济乘数分析。

This text has done a summary to PSD first , then introduce the structure , operation principle and characteristic of PSD, PSD position sensor experimental provision and measuring the circuit, study size , to enlarge size , mid point position of coefficient choose measurement range , sensitivity , non-linear influence of error in PSD circuit of luminous point emphatically.

本文先对PSD做了一个概述，然后介绍了PSD的结构、工作原理及特性，PSD位置传感器实验装置及检测电路，着重研究了光点的大小、电路的放大系数的大小、中点位置的选取对PSD的测量范围、灵敏度、非线性误差的影响。

We present an inverse method based on Tikhonov regularization theory. A regularized functional is established and regularization parameters are deduced with Arcangeli criterion and Morozov discrepancy principle. The functional is solved by sensitivity coefficients and Newton-Raphson iteration method.

充分考虑非线性瞬态热传导过程测温数据的误差特点，根据Tikhonov正则化理论，构造合适的正则化泛函，利用Arcangeli准则和Morozov偏差原理确定正则参数，采用灵敏度系数和Newton-Raphson迭代法求解该泛函。

In order to predict real-time muzzle velocity, a theory method of error modifying coefficients of muzzle velocity was brought forward.

为对炮口速度进行实时预测，提出了炮口速度误差修正系数理论推导方法。

The principal components in PCA is decided by virtue of cumulative percent variance and multi-correlation coefficients. The improved PCA is applied to mycetozoan fermentation process monitoring and fault diagnosis.

利用主元相关变量残差统计量代替平方预测误差Q统计量，并采用累积方差贡献率及复相关系数确定PCA模型的主元数。

Establish the steady-state and transient model using the three hydrodynamics equations (Continuity equation, Momentum equation and Energy equation). By comparing different state equation, it selects the BWRS state equation which is considered the most accurate state equation in current natural gas measurement. It calculates compression factor, density and other Thermal parameters based on BWRS state equation. In Numerical solution of the steady-state and transient model, compression factor, friction coefficient and all the other Thermal parameters are recalculated in each small time step to reduce the numerical calculation error.

在稳态模型的建立上，利用流体力学三大方程(连续性方程、运动方程和能量方程)，通过比较不同的状态方程选用了目前被认为最精确的用于天然气计量的BWRS状态方程，并以此方程为基础进行压缩因子、密度等热物性参数的计算；在稳态模型的求解上，选用容易计算，精度较高的标准型龙格—库塔(Runge-Kutta)法进行数值求解，并且在迭代过程的每一小步都重新计算燃气的压缩因子，摩阻系数等所有的计算参数，以减少数值计算的误差。

The initial spectrum was pretreated by standard normalized variate, 7 point smoothind and one derivative respectively.

定标集真值与NIRS定标模型预测值之间的决定系数R2和标准差RMSEC分别为0.9529和3.22，相对分析误差RPD为4.798。

The initial spectrum was pretreated by standard normalized variate , 7 point smoothind and one derivative respe ctively.

定标集真值与NIRS定标模型预测值之间的决定系数R2和标准差RMSEC分别为0.952 9和3.22，相对分析误差RPD为4.798。

As the tetrahedral grids exist in the majority area, the pentahedral prism grids are adopted near the boundary, which meets the SST model's requirement of mesh in the boundary layer. Pressure recovery factors under different number of grids are calculated so as to decrease the error from coarse mesh, then the suitable number of grids is obtained.

流场大部分区域为四面体网格，在边界附近采用加密的五面体棱柱型网格，满足了SST模型对边界层网格的要求；为了减少网格过粗引起的汁算误差，还通过计算不同网格数下尾水管的压力恢复系数来优选出合适的网格数目。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。