Research Article

An Adaptability Analysis of the Space-Vehicle Traffic State Estimation Model for Sparsely Distributed Observation Environment

Table 4

Result of scenarios with different observation distance intervals.

ScenarioObservation interval (m)Number of observersDensity of observers per kmRMSE (km/h)MAE (km/h)MAPE (%)

CASE B-1500122.186.732.464.19
CASE B-2100071.2715.963.996.80
CASE B-3150050.9135.895.809.57
CASE B-4200040.7349.216.7710.85