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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mallick, M. La Scala, B.F. |
| Copyright Year | 2006 |
| Description | Author affiliation: Toyon Res. Corp., Goleta, CA (Mallick, M.) |
| Abstract | Common ground target dynamic models include the nearly constant velocity (NCV), nearly constant acceleration (NCA), and nearly constant turn (NCT) models. Most of the papers on the interacting multiple model (IMM) estimator use a constant Markov chain transition probability matrix (TPM) corresponding to a constant measurement sampling interval. However, a multi-sensor ground target tracking system usually employs ground moving target indicator radar, electro-optical, infrared, video, acoustic, and seismic sensors, for which the sampling intervals are different. Modeling such systems requires using a variable sampling interval in the IMM estimator, which in turn requires the use of a non-constant TPM. An analytic expression for the TPM with variable sampling interval exists for two dynamic models. When the number of dynamic models is greater than two, the TPM can be numerically calculated efficiently. We present the technical approach for the IMM estimator with variable sampling intervals. Preliminary numerical results are presented for a maneuvering target with the NCV, NCA, and NCT models using 200 Monte Carlo simulations |
| Starting Page | 1 |
| Ending Page | 8 |
| File Size | 436860 |
| Page Count | 8 |
| File Format | |
| ISBN | 1424409535 |
| DOI | 10.1109/ICIF.2006.301763 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-07-10 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | ISIF |
| Subject Keyword | Target tracking Sampling methods Infrared sensors Acceleration Acoustic measurements Seismic measurements Radar tracking Electrooptic devices Sensor systems Acoustic sensors variable Markov chain transition probability matrix Ground target tracking maneuvering target interacting multiple model (IMM) |
| Content Type | Text |
| Resource Type | Article |
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