Fig. 3

The serial correlation coefficients of high-rate GNSS and IMU attitudes over time computed with the first 18 s attitudes. Each epoch index is equivalent to 0.02 s for the 50 Hz GNSS attitudes, 0.005 s for the 200 Hz IMU attitudes, and 0.02 s for the 50 Hz IMU attitudes. Panel A—the serial correlation coefficients of the 50 Hz GNSS attitudes; panel B—the serial correlation coefficients of the 200 IMU attitudes; panel C—the serial correlation coefficients of the down-sampled 50 Hz IMU attitudes