查询词典 observation error

Then the influence of stochastic observation error on different model for environment evaluation in two cases, namely uniform variance and nonuniform variance, is investigated using Monte Carlo method.

水环境评价是防治水污染的前提和基础，也是进行水质规划的依据。

The change of observation error was analyzed in the case of stator flux observer ui model at high speed and in model at low speed when the parameters of motor changed based on the mathematical model in the stationary coordinates.

利用静止坐标系下的异步电机数学模型，分析当电机参数改变时，高速运行状态下定子磁链观测器 u i 模型和低速运行状态下 i n 模型的观测误差变化情况，然后给出定子磁链全阶观测器增益矩阵的确定方法。

The mathematical models of the delay of the GPS signal in the circumstance are put forward respectively. The computation of orbital arc of the two satellite constellations is based on two body problem and perturbations models. An algorithm based on the IRI model and thin layer model is used to simulate the ionospheric delay of the GPS signal. The error models of observation, multipath, relativity and antenna phase center bias are also researched. Under the consideration of the autocorrelation of the electronical measurements, the autoregressive model of time series is introduced into the noise models.

在信号仿真中，研究了利用二体运动和摄动法计算LEO卫星至GPS卫星星座的几何距离的问题；在信号的误差模型中，研究了电离层时延的IRI2001模型和单层投影模型；讨论了观测误差、多径效应、相对论效应和天线相位中心偏移的误差模型；结合电子测量噪声的具有自相关特性的经验，研究了观测误差的AR模型；结合实测数据分析，讨论了接收机钟差和卫星钟差的误差建模问题。

Simulated mathematical models include several physics principles, e.g., distribution of stress-induced refractive index in the panda fiber of MRI, phase contrast, and image error of optical fiber around the observation plane of the objective lens.

仿真数学模型考虑了匹配型熊猫光纤的应力折射率分布、相衬成像原理、光纤在物镜观察面上的相衬成像偏差等物理图像。

Emulation analysis makes clear as a result, as a result of compensatory Kaerman filter wave algorithm considered the impact of relevant observation error integratedly, accordingly, when flowing epoch number is more than 500 when, flowing precision of filter wave algorithm wants compensatory Kaerman the flowing algorithm of excel tradition.

仿真分析结果表明，由于补充卡尔曼滤波算法综合考虑了相关观测误差的影响，因此，当平滑历元数大于500时，补充卡尔曼滤波算法平滑精度要优于传统的平滑算法。

Kalman filtering is affected by the gross error that is inevitable in the observation of satellite.

卫星观测数据中不可避免地存在着粗差，一般的Kalman滤波易受观测粗差的影响。

The set valve error of moment inertia parameter has no effect on the speed observation.

本文最后对该控制系统的实现方案进行初步探讨。

Meanwhile, new observation operators are designed for routine observational data, and background error covariance is also calculated. Currently, the m3DVAR system is able to assimilate all the conventional observations data, such as sounding, surface and ship data, etc.

重新构造各种观测算子，并考虑了质量场和风场之间的平衡约束关系、背景误差协方差结构，实现对探空、地面资料、船舶报等常规观测的同化。

ABSTRACT Based on a summarization of the prevailing techniques for periodic signal measurements, the error sources in digital analyses and the latest progress in the research on reducing spectra leakage, through deep observation and analysis to some real world process phenomena, a novel concept of period domain analysis for process signals is firstly proposed in this dissertation.

基于对周期信号参量测试的发展、数字化分析的误差来源，以及减小频谱泄漏方面国内外的研究现状和发展方向的综述，通过对现实世界中某些过程信号的。。。

It was the first time to take the maximum permissible error as the major specifications of the crustal deformation observation instrument in compiling the seismological industry standard.

地壳形变观测仪》的编制研究中，第一次提出以"最大允许误差"作为地形变观测仪器的主要技术指标，也是判别倾斜仪是否合格的惟一依据。

The second is to cut a mere 100 calories from your diet , which is the equivalent of a tablespoon of butter.

第二个就是从你的饮食中减少一百卡路里，只是相当于一大汤匙的黄油。

This is where the Rorschach test comes in.

现在，罗氏测试就出现了。