Study of the single platform bearings-only target tracking algorithm
Wang Shu-zong · Systems engineering and electronics · 2005
Bearings-only target tracking is an imporatant problem in the underwater target tracking. Pseudo-linear estimation algorithm is one of the primary bearings-only target tracking algorithms and has been applied widely in the underwater target tracking. Although the algorithm could be implemented simply, it produces biased estimates. A solution is presented to get rid of the algorithm's estimationg error based on instrumental variables by predicting the current bearing with previous three bearings. Then the modified pseudo-linear estimation algorithm is obtained to (eliminate) the estimating error by computer simulation, it is shown that the new algorithm is recursive, unbiased and robast.