它包括观测异常误差影响和动力学模型异常的影响。
The model errors include measurement outliers and kinematic model disturbances.
在对GIS扫描数字化过程中,所采集的数据里经常含有系统误差和异常误差。
In the process of GIS scan digitizing, there are many errors including systematic errors and gross errors in the obtained data.
误差的存在,有可能造成假的异常或假的趋势,影响地质解释的效果,甚至会出现严重的错误。
The presence of errors may result in a false anomaly or a false trend, which influence the effect of geological interpretation and even cause serious mistakes.
统计推断中异常数据的存在,导致推断结果存在较大误差。
The existence of abnormal data in the statistical inference leads to a larger error in the corollary result.
根据外空扰动重力与地面数据分辨率及其覆盖范围之间的关系,将重力异常分成不同频段、不同分辨率,分别计算了截断误差。
From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.
本文对高度异常及垂线偏差的截断误差进行了估计,导出了高阶截断系数的近似表达式。
In this paper, the truncation errors of the height anomaly and vertical deflection are estimated, and the approximate expressions of the higher order truncation coefficients are derived.
随机误差校验:用数理统计理论对全面统计数据进行异常点识别。
Accidental error check: To recognize the unusual conditions with the mathematical statistics theory.
本文首先分析了中国历年净误差与遗漏的状况,并和世界一些主要国家进行了对比,得出其走势异常的结论。
Firstly, the paper analyzes the status of China's net errors and omissions item over the calendar year and proves its exceptional trend after comparing with that of some major countries' in the world.
我们提出了建模误差和检测网络异常的方法。
We propose methods for modeling errors and detect network anomalies.
仿真结果表明:该组合导航系统长时间定位误差小于导航系统目标误差的15% (RMS),在重力异常显著变化地区其定位误差将更小。
Simulation results show that the position error of the integrated navigation system is less than 15% (RMS) of goal error over long intervals, and even smaller in the area with evident anomaly gravity.
本文先介绍了用最小二乘法进行线性回归预测的方法,并分析了其不足,即当存在着极端的异常情况时,往往存在着较大的预测误差。
In first the linear regression model resulted from least square method is presented and its disadvantage is analyse, great forecasting error exists when extreme abnormal case exists.
结果显示,两种抗差修正方法的效果都随着误差极值的增大而增大,异常值的个数增多而减小;
The result shows that the effect of two robust estimation methods is better when error extreme is larger and the number of outliers is less.
研究了多传感器数据集成,实现了异常值探测、异常趋势识别、系统误差识别以及监测故障判别等功能。
Firstly, multi-sensor data integration is discussed and is applied to find out abnormal value, abnormal tendency, system error and monitoring default.
山区重力测量工作中,用现有方法计算总均方误差,往往使均方误差偏小,异常的可信程度降低。
The total mean square error for gravity survey in mountainous region estimated by the present methods are usually too small to be convincing.
处理了典型重磁异常二维及三维及三维地质模型,给出了各模型的处理结果及误差曲线;
The typical 2D and 3D gravitational magnetive anomalies models are processed, and the results and error curves from the typical models are given.
对于测量数据常带有误差偏大的异常值的情况,采用基于弹道参数的数据检择算法,实现了对长时间有相关特性的成片野值的剔除。
In the occasion of too large abnormal values in measurement data, the data matching check algorithm based on trajectory parameters is used to remove the outliers of long stretches.
研究天气雷达测定回波顶高的几种误差表明:大气异常折射会引起回波顶高明显误差。
It has been shown by studying the radar echo top heights that the abnormal refraction of the atmosphere can cause obvious errors in the radar measurements of height.
其次,在误差服从正态分布的条件下,阐述了线性回归模型框架中均值漂移模型与异常点检验的等价性。
Secondly, we show the equivalence theorems between mean shift model and outlier detection model based on the condition that errors in regression model are normally distributed.
使用这些陈旧数据的结果是,促销异常情况预测经常容易被忽视,因为它们的误差幅度巨大。
The results of using this old data is that forecast promotion exceptions are often easy to ignore due to their large margin of error.
在将结肠镜图像分类为正常和异常图像时,选用了误差反传训练的多层感知器,结果显示这种网络神经元适合结肠镜图像分类。
The results show that the neural network is more appropriate for the classification of colon status. The new algorithm in this paper has been tested by a number of colonoscopic images.
在将结肠镜图像分类为正常和异常图像时,选用了误差反传训练的多层感知器,结果显示这种网络神经元适合结肠镜图像分类。
The results show that the neural network is more appropriate for the classification of colon status. The new algorithm in this paper has been tested by a number of colonoscopic images.
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