There exists a slope drift in an integral gyro when it is used as an azimuth gyro, which may cause serious heading and position errors in the Inertial Navigation System (INS).
当惯性陀螺工作在方位姿态时,有一定的斜坡漂移,它将引起惯性导航系统中的严重的航向和位置误差,所以有必要估计和补偿它。
Azimuth Angle is calculated exactly through two-position method and constant drift of gyroscope is cancelled.
通过双位置方法准确计算出载体的方位角,并且抵消了陀螺的常值漂移对寻北精度的影响。
This method solves the problem of rapid azimuth alignment on the moving base, dramatically reduces the requirement of carrier's movement and gives a means of measure gyroscope drift.
该对准方法解决了动基座上方位快速对准的难题,大大降低了对载体的机动要求,同时为陀螺测漂提供了手段。
In the software design the gyro's drift measure and the process of calibration is added. The Kalman filtering technique is used in the horizontal initial alignment and the azimuth initial alignment.
在软件设计中加入了陀螺仪的测漂和定标过程,在水平初始对准、方位初始对准过程中运用了卡尔曼滤波技术。
Accelerometer of platform is used to measure the attitude of carrier. Gravity component at two input axes of DTG is calculated. The Gyro drift model is made to compensate the azimuth.
通过安装在双轴平台上的加速度计测量载体姿态,并计算重力在陀螺两个测量轴的分量,建立了陀螺漂移模型,对方位漂移进行补偿。
Inclinometer is an Instrument testing drift Angle and azimuth of drift hole.
斜仪是一种测定钻孔倾角和方位角的仪器。
Inclinometer is an Instrument testing drift Angle and azimuth of drift hole.
斜仪是一种测定钻孔倾角和方位角的仪器。
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