Network-centric angle only tracking
Proceedings of SPIE(2009)
摘要
The coordinated use of multiple distributed sensors by network communication has the potential to substantially
improve track state estimates even in the presence of enemy countermeasures. In the modern electronic warfare
environment, a network-centric tracking system must function in a variety of jamming scenarios. In some
scenarios hostile electronic countermeasures (ECM) will endeavor to deny range and range rate information,
leaving friendly sensors to depend on passive angle information for tracking. In these cases the detrimental
effects of ECM can be at least partially ameliorated through the use of multiple networked sensors, due to the
inability of the ECM to deny angle measurements and the geometric diversity provided by having sensors in
distributed locations. Herein we demonstrate algorithms for initiating and maintaining tracks in such hostile
operating environments with a focus on maximum likelihood estimators and provide Cramer-Rao bounds on
the performance one can expect to achieve.
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关键词
electronic warfare,tracking system,algorithms,maximum likelihood estimate,sensors,cramer rao bound,networks
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