GFSINS USES accelerometers output called specific force to replace angular velocity gyroscope and calculates the bodys angular velocity.
无陀螺联捷惯导系统采用加速度计输出的比力代替角速度陀螺仪来解算载体角速度。
Computer simulation results show that, the precision and fault tolerance of the integrated navigation system are improved greatly, compared with the pure GFSINS.
实验仿真结果表明，与无陀螺捷联惯导系统相比，该组合导航系统的精度和容错性能显著提高。
So-called GFSINS (gyroscope free strapdown inertial navigation system) is a kind of strapdown inertial navigation system with only accelerometers but no gyroscope.
无陀螺捷联惯导系统就是惯性元件只用加速度计，而不用陀螺的惯导系统。
It is very important to apply rotation vector algorithm to the GFSINS that how to attain the relative angular displacement and meet its precision and updating frequency.
为了在无陀螺捷联惯导系统中应用旋转矢量算法，如何获得载体的相对角位移、并保证载体相对角位移的精度和更新频率是非常重要的问题。
The simulation results show that the sculling compensation term in the velocity integration algorithms can not be neglected for the high accuracy GFSINS in highly dynamic environments.
仿真结果表明，在高动态环境下，对划船误差的补偿提高了系统的速度解算精度。
The simulation results show that the sculling compensation term in the velocity integration algorithms can not be neglected for the high accuracy GFSINS in highly dynamic environments.
仿真结果表明，在高动态环境下，对划船误差的补偿提高了系统的速度解算精度。
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