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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lasdas, V. Davis, M.H.A. |
| Copyright Year | 1989 |
| Description | Author affiliation: Dept. of Electr. Eng., Imperial Coll., London, UK (Lasdas, V.; Davis, M.H.A.) |
| Abstract | Consideration is given to recursive filtering algorithms for passive sonar tracking of a maneuvering target. An essential ingredient of such algorithms is a stochastic model describing the target motion. The basic problem posed by a maneuvering target is that there exists a mismatch between the modeled target dynamics and the actual target dynamics, especially when the target undergoes sudden pilot-induced maneuvers. Traditionally, diffusion or random walk models that are easy to handle but of questionable validity have been used. A more realistic, linear piecewise deterministic model (LPD) is proposed, consisting of straight-line tracks with random changes of course. The model is then a piecewise deterministic Markov process. A general method which gives a simple functional approximation to the solution of the forward equation associated with the LPD model is introduced. This functional approximation can be used in conjunction with appropriate global approximation methods to produce a practical nonlinear filter for target tracking.< |
| Starting Page | 1395 |
| Ending Page | 1396 |
| File Size | 197163 |
| Page Count | 2 |
| File Format | |
| DOI | 10.1109/CDC.1989.70369 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-12-13 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Motion analysis Sonar Target tracking Nonlinear filters Density measurement Filtering Nonlinear equations State-space methods Time measurement Educational institutions |
| Content Type | Text |
| Resource Type | Article |
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