Journal
MEASUREMENT & CONTROL
Volume 53, Issue 1-2, Pages 250-261Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0020294019877515
Keywords
Cramer-Rao lower bound; Doppler-bearing tracking; unscented Kalman filter; non-Gaussian noise; underwater tracking
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The aim of this paper is to evaluate the performance of different filtering algorithms in the presence of non-Gaussian noise environment for tracking underwater targets, using Doppler frequency and bearing measurements. The tracking using Doppler frequency and bearing measurements is popularly known as Doppler-bearing tracking. Here the measurements, that is, bearings and Doppler frequency, are considered to be corrupted with two types of non-Gaussian noises namely shot noise and Gaussian mixture noise. The non-Gaussian noise sampled measurements are assumed to be obtained (a) randomly throughout the process and (b) repeatedly at some particular time samples. The efficiency of these filters with the increase in non-Gaussian noise samples is discussed in this paper. The performance of filters is compared with that of Cramer-Rao Lower Bound. Doppler-bearing extended Kalman filter and Doppler-bearing unscented Kalman filter are chosen for this work.
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