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The phrase "absolute position error" is correct and usable in written English.
It can be used in contexts related to measurements, navigation, or data analysis where precision is important.
Example: "The absolute position error in the GPS data was calculated to ensure accuracy in the mapping process."
Alternatives: "total positional error" or "exact position error".
Exact(2)
However, the heading RMSE grows linearly with time/distance, and therefore, the absolute position error is seen to grow with distance.
For further traffic analysis, 3K images were orthorectified using onboard GPS/IMU measurements with an absolute position error of 3 m in nadir images and around one pixel relative.
Similar(58)
From the two scenarios, we can conclude that the relative position errors are kept bounded by the inter-agent ranging, while the absolute position errors (relative starting location) are bounded in the best case (stationary agents) and that the error growth is reduced by a factor of 1 / N in the worst case.
The results showed no absolute position sense error differences between men and women (3.9° vs. 3.4° respectively, p = 0.38).
Hence, the maximum length of the intersection defines an upper bound on the absolute value of position error for the POCS estimator.
In the best case, the error of estimation is zero, and in the worst case, the absolute value of position error is equal to the largest Euclidian distance between two points in the intersection.
The developed method was robust to inter-observer variability and produced very good accuracy — 3.2±1.1 mm absolute surface positioning error, <1 mm mean signed error and <5% mean volume difference.
With the speed difference of 200 m/s, the average value of absolute difference from the position error is about 0.4 cm.
Since the camera is the only absolute position sensor, the encountered error of up to 4 cm cannot be corrected by inertia tracker data.
Naturally, the heading error and therefore also the absolute position RMSE drop as 1 / N, where N is the number of agents.
To deal with the error propagation problem, we take two approaches: estimation of the absolute head position and reference correction design using the Position Error Signal (PES) in the previous track.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com