经过大量的试验和计算分析表明,环境温度变化率和环境温度梯度对光纤陀螺零位漂移的影响大于环境温度对漂移的影响。
By large amount of experiments and calculations, the result shows the effects on FOG accuracy of temperature rate and its grads are greater than of only the temperature itself.
推导了硅微机械振动轮陀螺仪的动力学方程,给出了它的运动规律,分析了载体绕空间任意轴匀速旋转时干扰力矩所引起的漂移率。
This paper gives the dynamic equations of vibratory wheel silicon micromechanical gyroscope and their motion law, analyses drifts of the gyroscope, when vehicle rotates around any axis uniformly.
在建立光纤陀螺漂移与温度的混合线性回归模型时,考虑温度变化率和温度梯度等因素的影响,对光纤陀螺零位漂移的温度补偿精度更高。
So the compensation accuracy of FOG drift can be improved by introducing the temperature rate and its grads when establishing the mix linear regression model.
惯导对准过程中陀螺仪漂移率的测量是一个重要的工程实际问题 ,经典的闭环测量在测量精度和快速性等方面存在缺点。
Existing closed-loop methods for measuring gyro drift can not meet the precision and speed requirements needed for initial alignment of INS (inertial navigation system).
惯导对准过程中陀螺仪漂移率的测量是一个重要的工程实际问题 ,经典的闭环测量在测量精度和快速性等方面存在缺点。
Existing closed-loop methods for measuring gyro drift can not meet the precision and speed requirements needed for initial alignment of INS (inertial navigation system).
应用推荐