Research Article

An FEM-Based State Estimation Approach to Nonlinear Hybrid Positioning Systems

Figure 3

(a) Approximate density function and the true state at the measurement updates at 1 second. (b) Approximate density function and true state after the measurement updates at 12 seconds. (c) Approximate density function and true state after the measurement updates at 28 seconds.
175425.fig.003a
(a)
175425.fig.003b
(b)
175425.fig.003c
(c)