随机误差

GPS定位信号随机误差自适应模型

Random error adaptive model for GPS positioning signal

提出了一种解决随机误差影响GPS动态定位精度问题的方法。

In this paper , a method to solve the positioning accuracy problem caused by random error is given .

用于陀螺仪随机误差估计的BP自适应模糊辨识法

BP Based Adaptive Fuzzy Identification Method for Gyro Random Drift Estimation

d.随机误差。Net在网络控制中的应用。

The application of C. d. errors .

不确定理论摈弃了传统的“系统误差”和“随机误差”的分类方法，而是将不确定度按照测量数据的性质分为A类不确定度和B类不确定度。

Uncertainty theory abandons the traditional theory of classification in systematic error and random error , while classifies it into uncertainty A and uncertainty B.

d.随机误差。采用什么标准评价？

Which is the standard ? d. errors .

文中对计量经济模型中的随机误差项u谈了三点认识：如何理解随机误差项u的不可观测性；

This paper gives three points of view about the stochastic error ( u ) in econometric models .

利用动态滤波的方法来解决GPS中的随机误差的问题已经得到了广泛的应用。

The method that make use of dynamic filtering to solve the problem of random error of GPS has gained extensive application .

这是因为GPS在定位过程中包含了许多误差源，尤其是测量随机误差和卫星的几何位置误差。

This is because during the positioning process many errors , especially the measurement and satellite position errors , cannot be deleted .

采用移动中值滤波器（MM）消除过失误差，然后应用小波变换滤除随机误差。

In this paper , moving median filter is used to remove gross errors and wavelet transformation is used to eliminate random errors .

常规RTK和GPS网络RTK流动站单杆倾斜随机误差特性研究

Study on Single-pole Inclination Random Error Characteristics of RTK Floating Station of Conventional RTK and GPS Network

首先指出了应用的数学方法，即处理随机误差的小波变换方法和估计系统误差的Kalman滤波算法；

Firstly , the mathematical method , wavelet transform of random error processing and Kalman filtering algorithm of system error estimation , is designated ;

在分析DEM数据误差源的基础上，采用低通滤波的方法消除DEM数据随机误差。

The main work of the paper are : 1 . Using lowpass filtering to eliminate the Random Error of DEM data .

其中g（x）是[0,1]上的未知函数，{iε}是均值为0的随机误差序列。

Where { x_i } is fixed on and the { ε _i } is sequence of errors with a stationary mean 0.The g ( x ) is an unknown function .

ADCP流量测验随机误差分析Ⅰ：随机不确定度预测模型

Analysis of random error in ADCP flow discharge measurement I : Model for predicting random uncertainty

本文详细地分析了ADCP系统性能参数对流量测验随机误差的影响。

Detailed analysis on the effects of ADCP system parameters on discharge random errors is presented .

USB接口应用的广泛性，被用于实现硬件与PC机之间的数据通讯。对实验数据的拟合，有效减小灵敏部下放后因抖动而产生的随机误差。

For widespread of USB interface , it is used to achieve communications between hardware and PC. Fitting of experimental data can reduce random errors generated by sensitive component jittering .

采用Allan方差法分离了光纤陀螺的各主要随机误差源，精确确定了各项误差系数的大小。

Allan variance method is used to separate the main random error source and to determine the error coefficient accurately .

与传统DEA相比，三阶段级联DEA方法剔除了DEA模型中的随机误差和所研究港口各自的不同外在环境因素的影响。

Compared with the traditional DEA , three-stage DEA excludes random errors and the different external environment factors of each port found in the traditional DEA model .

采用Allan方差法对IFOG的测试数据进行了分析，辨识出了各项随机误差系数。

The test data of IFOG are analyzed with Allan variance method and each error coefficient is identified .

本文讨论了误差为ARMA（1,1）序列的非线性回归模型.首先得到随机误差相关性和异方差性检验的似然比检验统计量和Score检验统计量；

The likelihood ratio test and Score test are proposed to test the autocorrelation and heteroscedasticity of the ARMA ( 1,1 ) sequence random errors in nonlinear regression models .

并将Allan方差建模结果直接应用到微陀螺的随机误差模型中。

The problem of how to apply the results extracted by Allan variance modeling scheme directly to stochastic error model is solved .

ADCP流量测验随机误差分析（Ⅱ）：最大相对误差预测模型及现场试验验证

Analysis of random error in ADCP discharge measurement ⅱ . Model for predicting maximum relative error and field validation

利用DGPS和卡尔曼滤波器在减少误差类型上的互补性，本文采用一种组合定位的方法，以起到同时减少常值误差和随机误差的作用。

Taking advantage of the complementary effect of DGPS and Kalman filter on decreasing positioning errors , a combined filtering approach is adopted .

分析了光纤陀螺随机误差特性的的总方差特征，对Allan方差和总方差方法进行了比较仿真研究。

The Total variance characteristics of the random errors are analyzed , and the estimation performance is compared between Allan variance and Total variance .

随后论文研究了估计光纤陀螺随机误差参数的方法，分析了光纤陀螺随机误差的相关性，利用相关分析与ARMA模型，提出了一种可以准确估计高斯白噪声和一阶马尔可夫噪声参数的有效方法。

Based on correlation function and ARMA model , a new effective approach which can estimate the parameter of first-order markov noise and gauss white noise is proposed .

证明了对T的不动点的具随机误差的Mann迭代过程相对T是几乎稳定的。

It is proved that certain Mann iterative process with random errors for the fixed point of T is almost stable respect to T .

根据电磁兼容理论，分析了干扰的来源，并提出了在DVS板设计时减少干扰的措施。分析了在检测时其它随机误差的来源及减少方法。

According the EMC theory , the sources of interference are analyzed , and the methods lessening the interference are brought forward .

近年来国外正在研究的速率偏置技术显著地降低了RLG的随机误差，并可补偿常值漂移。

Recently at abroad rate-biastcchnique is under development , it can reduce the random error oi RLG significantly and compensate its bias drift rate .

但传统DEA模型忽略了环境因素和随机误差，易使测度结果出现一定的偏差；而DEA三阶段模型能够剔除环境因素和随机误差的影响，适逢其会地应用于本文中。

The traditional DEA model ignores the environmental effects and statistical noises , therefore causing a certain deviation . However , the three-stage DEA model solves this problem and thus will be employed in this paper . 3 .