Passive Target Tracking using Intercept Sonar Measurements

nbsp B  Omkar Lakshmi Jagan; S  Koteswara Rao; A  Jawahar and SK  B  Karishma

doi:10.17485/ijst/2016/v9i12/85554

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Passive Target Tracking using Intercept Sonar Measurements

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2016/v9i12/85554

Year: 2016, Volume: 9, Issue: 12, Pages: 1-4

Original Article

Passive Target Tracking using Intercept Sonar Measurements

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]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

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