Indian Journal of Science and Technology
Year: 2016, Volume: 9, Issue: 12, Pages: 1-4
B. Omkar Lakshmi Jagan, S. Koteswara Rao, A. Jawahar and SK. B. Karishma
School of Electrical Sciences, KL University, Vaddeswaram – 522502, Andhra Pradesh, India; [email protected], [email protected], [email protected], [email protected]
Background/Objectives: Intercept sonar of ownship is used to track a target, which is assumed to be doing active transmission for detecting a target in underwater. Methods/Statistical analysis: The ownship intercepts the active transmissions and generates bearing measurements of the target. The measurement interval between generated bearings in intercept mode is not constant and so closed loop estimators like Kalman filter is not useful to find out target motion parameters. So, sub-optimal estimator like Pseudo Linear Estimator (PLE) is used. Findings: Recursive PLE developed by S. K. Rao is modified to suit this application.
Keywords: Bearings-Only Measurements, Estimation, Intercept Measurements, Kalman Filter, Target Tracking
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