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主流VIO论文推导及代码解析

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vio-doc's Issues

vins-mono论文推导及代码解析中存在疑问

附录10.4 imu角度误差对k时刻角度误差的jacobian推导中,求的是k+1时刻到k时刻角度误差相对于k时刻姿态q的偏导数,而实际在求导过程中求的是对轴角的导数,姿态q是四元素表达的是四维,而轴角是三维,为什么可以做这种替换?有什么文献可以参考吗?
fulu

您好, 请问na nw nba nbw指的是什么?

<<VINS论文推导及代码解析>> 第7页2.6节"连续形势下PVQ增量的误差,协方差及jacobian"中,公式10中 na nw nba nbw分别指的是什么?没有看明白,还望大佬能够给个指导,谢谢了

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