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Performance enhancement of launch vehicle tracking using GPS-based multiple radar bias estimation and sensor fusion
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 Title & Authors
Performance enhancement of launch vehicle tracking using GPS-based multiple radar bias estimation and sensor fusion
Song, Ha-Ryong;
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 Abstract
In the multi-sensor system, sensor registration errors such as a sensor bias must be corrected so that the individual sensor data are expressed in a common reference frame. If registration process is not properly executed, large tracking errors or formation of multiple track on the same target can be occured. Especially for launch vehicle tracking system, each multiple observation lies on the same reference frame and then fused trajectory can be the best track for slaving data. Hence, this paper describes an on-line bias estimation/correction and asynchronous sensor fusion for launch vehicle tracking. The bias estimation architecture is designed based on pseudo bias measurement which derived from error observation between GPS and radar measurements. Then, asynchronous sensor fusion is adapted to enhance tracking performance.
 Keywords
Sensor Registration;Bias Estimation;Pseudo Bias Measurement;Asynchronous Fusion;Launch Vehicle Tracking;
 Language
Korean
 Cited by
 References
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