Research Article

Maximum Likelihood-Based Measurement Noise Covariance Estimation Using Sequential Quadratic Programming for Cubature Kalman Filter Applied in INS/BDS Integration

Table 1

The actual value, initial value, and mean estimation by the proposed method using SQP and genetic algorithm for the measurement noise covariance.

Measurement noise covariance (500 s, 700 s)

Actual value
Initial value
Mean estimation by SQP
Mean estimation by genetic algorithm