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acc和 gyr 的 零偏稳定性 单位错了吧
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acc gyro bias instability 在这篇git里单位是 (rad /s ) * sqrt(Hz) , 和 (m/s2)*sqrt(Hz), 等价为 rad/s2/sqrt(Hz), m/s3/sqrt(Hz) 与 kalib 里的单位一致, 也和 Indirect Kalman Filter For 3d Attitude Estimation 里推导的 bias 对时间导数的标准差单位一致。 我理解,这是bias 对时间导数的标准差,而不是bias标准差。如果说的不对请 @gaowenliang 指正
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而查看Xsense手册,上面写的 In-run bias stability 单位是 deg/h, m/s2. 我理解, 这是离散化后的单位, 而这篇git里的是连续时间的单位。 参考Indirect Kalman Filter公式 (129)(130)
我差点也看错了。公式是正确的,谢谢解释
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acc和 gyr 的 零偏稳定性 单位错了吧
The text was updated successfully, but these errors were encountered: