The Kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first.
首先介绍了卡尔曼滤波理论及相关技术,建立了系统卡尔曼滤波的状态方程和观测方程;
The modification efficiency is improved by getting the residual error vector of the major modification vector separated from the measured error vector.
并通过从测量误差向量中分离出主修正向量后的残余误差向量方法提高修正效率。
The algorithm is verified by experiments and the modulator can produce digital modulation signals with good EVM(Error Vector Magnitude) and spectrum mask.
通过验证,所产生的调制信号具有良好的误差向量幅度(EVM)和频谱特征。
At any point, if the sun elevation or sun azimuth errors or the momentum vector error exceeds tolerances, the ACS will return to an appropriate mode in order to correct the problem.
在任何时间点,如果太阳仰角或是太阳方位角的错误或是动量向量的错误超过容忍度时,那么ACS将会为了修正此问题而回到适当的模式。
Section II describes the vector error correction model (vec).
第二节介绍了向量误差修正模型(vec)。
In this paper, a new scheme of vector quantization is described to reduce the effect of error propagation.
为了降低误差积累的影响,本文提出了一种新型的矢量量化方法。
The criterion or cost-function with respect to the complex tap-weight vector of the equalizer and to the error probability is strictly a convex function.
该准则或价值函数是关于均衡器抽头权矢量和误差概率的严格凹函数。
Gauss-Newton error minimization is used to transform six-dimentional reference vector to quaternion as a part of observations for EKF, which significantly reduces the computational requirement.
用高斯-牛顿误差最小法将六维观测量转化为四元数,作为观测量的一部分,显著减少了直接使用EKF的计算量。
For the estimation of satellite state, the extended sequential estimation algorithm was applied. The numerical method was used to integrate state vector and error covariance matrix.
在卫星的状态估计过程中应用推广的序列估计算法,借助数值积分方法积分状态向量和协方差矩阵。
The generalization error of Support Vector Machine is approximately equal to that of Probabilistic Neural Network. And Support Vector Machine is easier to use than Neural Networks.
支持向量机的分类误差与概率神经网络相近,但支持向量机的使用较概率神经网络简单。
An error estimate model of rotation vector was analyzed for the strapdown attitude algorithms. Based on this model, some kinds of high_accuracy strapdown attitude algorithms were deduced.
针对捷联惯导系统姿态算法分析了一种旋转矢量误差估计模型,并从该模型出发,推导了几种高精度的捷联姿态算法。
In this paper, based on the analysis of the characteristics of error surface and motion vector field, we propose a fast search strategy for motion estimation is proposed.
本文在分析低码率压缩码流运动矢量场以及误差曲面性质的基础上,提出一种基于时空预测的快速运动估值方法。
The error of scalar diffraction theory is very large for DVD, and vector diffraction theory must be employed to get correct result.
对于DVD,标量理论的误差已经很大,要得到准确的结果就必须采用矢量衍射理论。
The results show that gravity disturbance vector is a major error source for high accuracy inertial navigation system.
结果表明,不确定的重力扰动向量是高精度惯导系统的一个重要误差源。
For the case of planar interception, the so called relative heading error angle between the relative velocity vector and the LoS (Line of Sight) is chosen as the output to be controlled to zero.
针对平面拦截问题,选择导弹和目标之间的相对速度矢量与导弹-目标视线之间的夹角(称为相对航向误差角)作为将要被控制到零的输出。
The selection of the kernel function parameter and error penalty factor affected the precision of the support vector machine (SVM) significantly.
核函数参数和误差惩罚因子的选择对支持向量机模型(SVM)的精度有较大影响。
An error correction method for three axial fluxgate sensor based on support vector regression (SVR) is proposed.
提出了一种基于支持向量回归机(SVR)的三轴磁通门传感器误差修正方法。
By means of kinetic vector model of mobile object and GPS location error model, the filtering equation are presented.
借助于移动目标的运动矢量模型以及GPS定位误差模型建立了滤波方程。
Considering the character of vector observation, a real time predictive filter based on minimum model error (MME) criterion is presented for satellite attitude estimation.
结合矢量观测的特点,基于最小模型误差准则给出了一种确定卫星姿态的实时估计算法,称为预测滤波算法。
An error synthesis model for the machining centers is set up by using homogeneous coordinate transformation and tool workpiece connection vector.
本文将齐次坐标变换理论结合刀具与工件联结链矢量概念建立了加工中心误差运动综合补偿模型。
An equation to estimate approximately the error of the displacement vector was given in the correction of the coarse mesh.
在粗网格校正过程中,给出了一种近似求解位移向量误差的方程;
The modal vector reduction, error localization and model updating methods are approached.
进而研究了模态向量减缩、误差定位和模型修改等问题。
With the tool of circle vector function, the involute helix profile with error is given, and with the media of engagement line, the error compensation mathematical model is established.
以圆矢量函数为工具,推出了误差条件下的渐开螺旋面方程,并以啮合线为媒介,建立了测量蜗杆误差补偿的数学模型。
In this paper a new choice of measurement vector and the corresponding computation of measurement probability are presented to reduce the quantization error.
本文提出另一种选择量测向量和计算量测概率的方法,创造条件减小量化误差。
When measuring the RF&MW devices, applying error correction to the vector network analyzer, and executing the full two-port calibration, the systematic errors can be removed completely.
用矢量网络分析仪进行射频和微波元器件的测量时,配合网络分析仪的误差修正技术,进行全二端口校准,能彻底地消除系统误差。
This article explained the importance of vector map in GIS, and analyzed the error in the vector map transformed from paper map in practicality.
从实用的角度出发,阐述了矢量地图在GIS领域中的重要性,并对由纸制地图生成的矢量地图的误差来源进行了分析。
After the tuning of background error variance and de-correlation length, results from the NMC-method are closer to those of the innovation vector method, and the analysis results are improved.
通过对背景误差方差、特征长度的调整,显著改善了背景误差功率谱的分布特点,使得NMC方法结果与更新矢量方法结果更为吻合。
The convex polygon is constructed by vector product in order to solve the straightness error.
为求解直线度误差,采用矢量积构造凸多边形。
Then, the optimal weighted vector and the MMSE minimum mean square error were obtained using the MMSE principle.
利用最小均方误差(MMSE)准则求得相关干扰条件下阵列最优加权矢量和输出最小均方误差;
What's more, the precision of thrust vector measurement is also calculated, depending upon the error analysis of nine-component model.
研究了九分力推力矢量测量误差分析方法,并计算了推力矢量测量精度。
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