A Quadratic Interpolation-Based Variational Bayesian Algorithm for Measurement Information Lost in Underwater Navigation

Figure 1

QI method from the time sequence 1 to (k)−1. (a) QI basis function at the time sequence k−3. (b) QI basis function at the time sequence k−2. (c) QI basis function at the time k−1.

(a)

(b)

(c)