查询词典 observation error

In this dissertation, GPS baseline solution precision is analyzed since the following aspects: 1, Different length baselines are processed and analyzed by single frequency model and ionosphere free model. 2, Basing on current single point positioning precision, certain coordinate error is added into fixed points to study the result. 3, Baseline is processed and analyzed with different observation vectors and their lineal combination models. 4, 24 hours observation was divide up to process baseline.

本文从以下几个角度研究了影响GPS基线解算精度的因素：1、采用单频和消电离层模式对不同长度的基线分别解算，对处理结果进行分析。2、根据目前单点定位精度给起始点加上适当的坐标偏差，研究起始点坐标偏差对基线处理结果的影响。3、选用不同的观测值及其线性组合，对基线解算结果进行研究。4、对24小时观测的数据分时段处理，分析观测时间段对基线处理结果的影响。

The results show that the estimated root mean square of observation error for each observation type is reasonable.

结果显示估计的观测误差均方差是比较合理的。

measurement of settlement ; mean square error of observation ; datum point ; observation point

本文针对沉降变形测量的几个核心问题，予以探讨和研究。1 沉降变形测量等级的

On the base of INS, the method of initial alignment is introduced. And the state equation and observation equation are proposed. Using velocity error as exterior value of observation, We achieve the initial alignment.

在实现INS的基础上，研究INS和GPS组合的初始对准方法，建立组合导航系统的状态方程及速度观测方程，应用卡尔曼滤波器实现了INS／GPS的组合对准。

Moreover,the random error of observation can be reduced based on the redundant information from the observation on a group of stars.

于是，一般只能选择其附近的1颗可观测星体作为定向基

The main contents are as follows.1. Method that controls quality of field observation values of unbonded elastic wire resistance type meters is studied. Methods that examine system error of different types in observation values are discussed.

主要研究内容如下：(1)研究了差动电阻式仪器现场观测值的质量控制方法；探讨了对监测数据中不同类型的系统误差进行检验的控制图法和连检定法。

The observation data during 1-31, August 2006 and the first guess from T213 numerical weather prediction system are used for analyzing the root mean square of observation error.

观测误差均方差分析使用2006年8月1-31日观测资料，国家气象中心T213L31全球中期分析预报系统的6小时预报作为背景场。

The settlement observation of bridge pier and abutment was discu ssed. The GM prediction model of the settlement observation error and t h e settlement development was established to set up system for bridge saftely use and maintenance.

阐述了桥梁墩、台沉降变形的观测，建立了桥梁墩、台沉降观测误差和沉降变形逐年发展情况的GM预测模型，为桥梁安全使用，养护管理决策提供可靠的科学依据。

By the modem time series analysis method, based on the ARMA innovation model, under the linear minimum variance optimal information fusion criterion, three distributed fusion steady-state optimal Kalman filters, predictors and smoothers weighted by matrices, scalars, and diagonal matrices are presented for multisensor systems with correlated input and observation noises, and with correlated observation noises. The Lyapunov equations and formulas of computing local filtering, predicting and smoothing error variances and covariances are given, which are applied to compute optimal weights. The corresponding three distributed fusion Wiener state estimators are also presented.

应用现代时间序列分析方法，基于自回归滑动平均新息模型，在线性最小方差最优信息融合准则下，对于带相关输入噪声和观测噪声和带相关的观测噪声的多传感器系统，提出了按矩阵加权、按标量加权和按对角阵加权的三种分布式融合稳态Kalman滤波器、预报器和平滑器，其中提出了局部滤波、预报和平滑估值误差方差阵和协方差阵的Lyapunov方程和计算公式，它们被用于计算最优加权，也提出了相应的三种分布式融合Wiener状念估值器。

Ideal error passes the observation of professional personage, the problem of this enterprise website also is the CMS idea of the malady error with most common website actually.

观念误区经过专业人士的观察，该企业网站的问题其实也是大多数网站常见的弊病错误的CMS观念。

A dynamic interaction schematic of an end bearing or elastic bearing pile with arbitrary force at pile top is founded. By using Helmholtz resolution and the operator decomposition method, Biots equations governing motions of a porous solid saturated with interstitial fluid are decoupled.

建立饱和土中端承桩和摩擦桩在任意激振力作用下的理论模型，利用位移势函数及微分算子分解方法，得到饱和土层Biot动力固结方程的分离变量解。

But there are plenty of cheaper, subtler ways in which governments can make life easier for women.

但是政府有很多更为经济，巧妙的方法来减轻家庭妇女的负担。