Subthreshold detection and tracking of a small maneuvering target

The present paper concerns the feasibility of applying a combination of Gaussian particle filter and an interactive multimode filter for mutual detection and tracking of a small maneuvering target. We propose using two models: one with a constant velocity, another with a constant acceleration. Filters, corresponding to each of those models, employ Gaussian particle filter. Numerical modeling results demonstrate that the proposed algorithm is capable of detecting a maneuvering target at low signal-to-noise ratio.