Altitude estimation for 3-D tracking with two 2-D radars

This paper first proposes a method to estimate the altitude of an aircraft using two 2-D radars for Air Traffic Control (ATC) applications. Assuming that the aircraft flies with a nearly constant velocity and nearly constant height, we first estimate its velocity, initial position in 3-D coordinates...

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Bibliographic Details
Main Authors: Rakvongthai, Y., Jifeng Ru, Sivananthan, S., Oraintara, S.
Format: Conference Proceeding
Language:English
Subjects:
3-D target tracking
Aircraft
Altitude estimation
extended Kalman filtering
Maximum likelihood estimation
parameter estimation
Radar measurements
Radar tracking
Target tracking
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Summary:This paper first proposes a method to estimate the altitude of an aircraft using two 2-D radars for Air Traffic Control (ATC) applications. Assuming that the aircraft flies with a nearly constant velocity and nearly constant height, we first estimate its velocity, initial position in 3-D coordinates from the measurements of two 2-D radars using a maximum likelihood estimator. Next, we incorporate the estimates as initial values for 3-D flight tracking that uses an extended Kalman filter (EKF). Furthermore, a multiple model approach is adopted to further improve the tracking performance. The simulation results are shown to demonstrate the effectiveness of the proposed method.