Posterior Cramer-Rao lower bounds for multitarget bearings-only tracking |
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Authors: | Guo Lei Tang Bin Liu Gang Xiao Fei[Author vitae] |
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Institution: | aSchool of Physical Electronics, Univ. of Electronic Science and Technology of China, Chengdu 610054, P. R. China;bNational Key Laboratory of Information Integrated Control, Chengdu 610036, P. R. China |
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Abstract: | Usually, only the Cramer-Rao lower bound (CRLB) of single target is taken into consideration in the state estimate of passive tracking systems. As for the case of multitarget, there are few works done due to its complexity. The recursion formula of the posterior Cramer-Rao lower bound (PCRLB) in multitarget bearings-only tracking with the three kinds of data association is presented. Meanwhile, computer simulation is carried out for data association. The final result shows that the accuracy probability of data association has an important impact on the PCRLB. |
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Keywords: | multiple target tracking bearings-only tracking posterior Cramer-Rao lower bounder data association |
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