查询词典 observation error

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。

Utilizing parameters adjust arithmetic of positive and real error transfer function the paper designs a rotor flux adaptive observation.

运用MATLAB的工具软件SIMULINK对转矩的磁通闭环的矢量控制系统进行仿真分析，给出了仿真结果。

The RMS error compared to radiosonde observation is 0.29 g/cm^2, and the correlation coefficient is 92%.

结果表明，反演值和探空均方根误差RMS=0.29g/平方公分，相关系数在92%。

This paper firstly discusses the constellation rotation error of autonomous orbit determination of navigation satellites which only make use of crosslink ranging observation, then analyzes in depth the influence of tide perturbation on right ascension of the ascending node and autonomous orbit determination.

讨论了仅利用星间测距观测值进行导航卫星自主定轨时所遇到的星座整体旋转问题，分析了潮汐摄动对升交点赤经以及导航卫星自主定轨的影响。

In order to prove the accuracy of GPS observation, water vapor radiometers were used to observe together with GPS. Comparison between WVR and GPS observations at different sites and times shows that rootmeansquare error is less than 4 mm. Therefore, the slant path water vapor amount can be accurately retrieved using this method, which is suited for nearly realtime remote sensing and detection of the atmosphere.

为验证GPS观测结果精度，用微波辐射计与GPS一起进行了联合观测，不同观测地点和时间的对比结果表明，二者rootmeansquare误差小于4mm，证明应用此种方法地基GPS可较精确地反演出倾斜路径方向大气水汽总量，而且这种反演方法适合于近实时大气遥感探测。

In this paper the mathematical models and methods for GPS single-point positioning are studied systematically on the theory.All kinds of error correction formulas are studied,such as ironsphere correction,troposphere correction,relativistic effect correction,earth rotation correction ,earth tides correction ,satellites antenna phase center offset correction. GPS single-point positioning programs is coded with pseudoranges and broadcast ephemerides,phases and broadcast ephemerides,and phases and precise ephemerides.And a great amount of computation has been done using the data collected .The results are computed with the 24 hour pseudoranges observation data before and after the canceling of the SA.

本文从理论上系统地研究了GPS单点定位的数学模型和方法，研究了各项误差改正公式，例如电离层改正、对流层改正、相对论周期部分改正、地球旋转改正、地球固体潮改正、卫星天线相位中心偏差改正；编写了伪距与广播星历、相位和广播星历及相位和精密星历的定位程序，并使用有关数据进行了大量的计算工作。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。