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Multirate interacting multiple model (MRIMM) filtering with out-of-sequence GMTI data

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3 Author(s)
L. Hong ; Dept. of Electr. Eng., Wright State Univ., OH, USA ; S. Cong ; D. Wicker

A multirate approach is developed for incorporating an out-of-sequence (OOS) measurement into a current estimate. There are two major steps in OOS filtering, retrospection from current time to OOS time and updating the current estimate with the OOS measurement, which imposes a high computation and memory burden on implementing OOS filtering. The multirate approach provides an excellent framework for efficient information retrospection and forward updating. A multirate interacting multiple model (MRIMM) filter is developed to track a target with or without manoeuvring behaviour in an environment of out-of-sequence measurement reporting.

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IEE Proceedings - Radar, Sonar and Navigation  (Volume:150 ,  Issue: 5 )