bit error rate

First,a variation-the error quaternion vector can be attained.

首先导出了误差四元数矢量,从而解决了航天器姿态控制中最终姿态表示的非单值性问题;其次,通过一个典型例子提出了非线性三轴姿态控制方法,该方法以误差四元数作为反馈量,以控制力矩陀螺作为执行元件,利用李亚普诺夫函数对非线性系统进行控制,为大型航天器的姿态控制开辟了新的途径;最后,给出了仿真结果,从而说明了以误差四元数作为定位参数的航天器姿态控制法具有计算速度快、计算精度高等优点。

According to the features related to the vertical launching tactical missile, a nonlinear dynamics model is established based on error quaternion.

首先基于误差四元数并结合垂直发射的具体特点,建立了战术导弹垂直发射的非线性数学模型;然后基于误差四元数和最优控制理论进行控制系统设计,得出了一种基于误差四元数的非线性反馈控制器,该控制器不仅实现了绕欧拉特征轴的旋转,而且实现了绕特征轴的次最小时间控制,缩短了姿态调转的时间,最后通过仿真验证其有效性。

The attitude kinematics and dynamics are both described by error quaternions.

姿态运动学和动力学用误差四元数描述。

The attitude kinematics and dynamics are both described by error quaternions.

姿态运动学和动力学用误差四元数描述。

Decomposed Error Quaternion-Based Rigid Body Attitude Tracking System with Sliding Mode Control

基于误差四元数分解的刚体姿态跟踪滑模控制

Pointing Error Analysis of a Radio Telescope Using Quaternion

基于四元数的射电望远镜指向误差分析方法

Extracting Dynamic Error of Accelerometer Tested on Three-axis Turntable by Quaternion

用四元数法提取加速度计三轴转台测试中的动态误差量

A Digital-to-Analog Converter(DAC) with Error Correction Based on Neuron-MOS(νMOS)

具有误差修正的神经元MOS数模转换器

Stabilized Hybrid Lower Order Quadrilateral Elements for Reissner-Mindlin Plates and Convergence Analysis;

稳定化的低阶杂交四边形Reissner-Mindlin板元及误差分析

Error Estimate for a Quadratic Nonconforming Finite Element on Quadrilaterals

一种二次非协调四边形有限元的误差估计

Fast Direction Finding Algorithm for Four-Acoustic Sensor Square Planar Array and Its Error Analysis

四元声传感器面阵快速测向算法及误差分析

Study of Gradient Error Estimates of the Triangulation Interpolated Coefficients Finite Element Methods;

三角形插值系数有限元梯度误差的研究

The error estimates for the double set parameter rectangular elements with symmetry;

具有对称形式的双参数矩形板元的误差估计

On the numerical dispersion errors of the boundary element method in free-surface potential flow problems

自由面势流问题边界元法的数值色散误差

Error Estimates for Approximate Approximations with Gaussian Kernels on Multivariate Compact Intervals

利用Gaussian核对多元函数的近似逼近及其误差估计

Error Estimate in L~2 Norm of Mortar Finite element for Elliptic Problem with Parameter

带参数的椭圆问题的Mortar有限元的L~2误差估计

L~2 Error Estimates and Superconvergence of the Finite Volume Element Methods on Quadrilateral Meshes

四边形网上有限体积元法的L~2误差估计及超收敛

The Error Analysis on Position,Velocity and Acceleration of Space Four-bar Linkages by Means of Complex Number Vector

空间四杆机构位置、速度和加速度误差分析的复数向量法

"Error-sensitive element(measurement element, comparative element)"

"误差敏感元件(测量元件,比较元件)"

Zernike Moments with Minimum Geometric Error and Numerical Integration Error

几何误差和数值误差最小化的Zernike矩

Calibration for system parameters and scaling for installation errors of IMU

系统参数标定以及惯性元件安装误差测量与补偿技术研究