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Adaptive Notch Filter Based Algorithm for Direct Complex Frequency Estimation

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4 Author(s)
Yang Jian ; Univ. of Sci. &Technol. of China, Hefei ; Xi Hongsheng ; Li Jing ; Wei Xing

A notch filter is proposed for single complex frequency estimation problem. It is represented as state-space equation model, which has good stability. A cost function is presented, and by applying Gaussian-Newton type recursive prediction error based method, a stable and efficient online frequency estimation algorithm is derived. Finally, the simulations are performed, and the results show that the proposed algorithm has fast convergence and high estimation accuracy.

Published in:

Control Conference, 2007. CCC 2007. Chinese

Date of Conference:

July 26 2007-June 31 2007