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Design of the Extended Kalman Filter for Frequency-amplitude Tracker  

윤종락 (부경대학교 정보통신공학과)
노용주 (부경대학교 정보통신공학과)
전재진 (국방과학연구소)
Publication Information
The Journal of the Acoustical Society of Korea / v.21, no.3, 2002 , pp. 256-263 More about this Journal
Abstract
In this study, the tracking of the temporal variation of the frequency and the amplitude in the presence of additive white Gaussian noise is considered using the Extended Kalman filter (EKF. The EKF has many applications and it has been applied to the problem of tracking the time-variable frequency. However the existing EKF frequency trackers could was driven in the small time-variable amplitude or required the additional amplitude tracker in the large time-variable amplitude. In this study, the EKF frequency-amplitude tracker, which could track both frequency and amplitude simultaneously from the measured signal in the relatively large time-variable amplitude environment, is proposed for improving the performance of the time-variable frequency tracking and its performance is verified by the simulation and the experimental work.
Keywords
Extended Kalman filter; EKF; frequency estimate; Amplitude estimate; frequency-amplitude tracker;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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