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在FAST_LIO/src文件夹的IMU_Processing文件里,IMU_init函数中
state_ikfom init_state = kf_state.get_x(); init_state.grav = S2(- mean_acc / mean_acc.norm() * G_m_s2); //state_inout.rot = Eye3d; // Exp(mean_acc.cross(V3D(0, 0, -1 / scale_gravity))); init_state.bg = mean_gyr; init_state.offset_T_L_I = Lidar_T_wrt_IMU; init_state.offset_R_L_I = Lidar_R_wrt_IMU; kf_state.change_x(init_state);
ba不也是存在的bias且需要初始化吗
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我的理解是:在加速度的观测中同时掺杂了待优化的加速度零偏ba和重力加速度g,很难从加速度中剥离g得到ba,所以就只初始化bg了
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加速度零偏和重力耦合,静止状态是无法获取的,需要运动才能激励出来
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在FAST_LIO/src文件夹的IMU_Processing文件里,IMU_init函数中
ba不也是存在的bias且需要初始化吗
The text was updated successfully, but these errors were encountered: