Attitude calculation techniques, initial alignment methods and a real-time adaptive extended Kalman filter used for improve the system precision were discussed.
模块的组成、功能，详细说明了姿态角的计算、初始对准以及采用的稳定、实时、变增益自适应扩展卡尔曼滤波估计算法。
Compared with the whole attitude Angle matching recognition methods, the proposed method need small memory space and small calculation time.
与一维距离像全姿态角匹配识别方法比较，具有计算量、存贮量较小的特点。
The simulative calculation results show that the improved proportional feedback control method works effectively in the flight attitude stability control of gun-launched UAV.
仿真计算结果表明，比例反馈控制方法对炮射无人机的姿态稳定控制过程实用而有效。
Attitude matrix is represented by quaternion and the calculation of attitude matrix is a key in Strapdown INS.
在捷联惯导系统中，可以用四元数来表示姿态矩阵，而姿态矩阵的计算是捷联惯导系统的关键问题之一。
It was related to complex calculation of attitude in optoelectronic precision velocity measurement technology with general error analysis.
在利用光电精密测速技术时，涉及复杂的空间光交汇计算，通用误差分析方法比较困难。
Production attitude of buried-hill inside formation is initially determined by using variable angle formation dip treatment and single point artificial calculation method.
利用变角度地层倾角处理和单点人工计算法，初步确定了潜山内幕地层的产状；
A larger high-frequency noise in the output signal of fiber optic gyro lowers the calculation accuracy of fiber optic gyro attitude system.
光纤陀螺输出信号中存在较大的高频噪声，这降低了光纤陀螺姿态系统的解算精度。
The method has low requirements for the placement attitude and assembling accuracy of binocular sensor, thus the calculation error of coordinates produced by medium refraction can be removed.
该方法对摄象机的摆放姿态与双目传感的装配精度要求较低，可去除介质折射产生的坐标计算误差。
To further reduce calculation cost, multiple computing cycles were defined. The output reference attitude command was used to realize the attitude tracking control of reference attitude trajectory.
为进一步降低算法耗费，定义了计算周期的多个层次，最终给出实时参考姿态指令，用以实现参考轨迹的姿态跟踪控制。
To further reduce calculation cost, multiple computing cycles were defined. The output reference attitude command was used to realize the attitude tracking control of reference attitude trajectory.
为进一步降低算法耗费，定义了计算周期的多个层次，最终给出实时参考姿态指令，用以实现参考轨迹的姿态跟踪控制。
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