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. 2020 Mar 6;20(5):1439. doi: 10.3390/s20051439

Figure 8.

Figure 8

KF residual and innovation terms after startup and in convergence. The jitter in the serial-USB interface is directly influencing the residual resulting in oscillating errors. However, as this jitter has zero-mean, the achieved clock synchronization/translation has a much higher accuracy visible in the innovation term of the clock offset.