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Linear prediction based adaptive algorithm for a complex sinusoidal frequency estimation
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DOI：10.1016/j.aeue.2012.11.010.png)
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Abstract
En 中文
The complex direct frequency estimation (CDFE) adaptive algorithm is developed and proposed in this paper. The motivation of this work is obtained from the previous real DFE (RDFE) adaptive algorithm. The methodology of the CDFE is based on the linear prediction property of complex sinusoidal signals. The proposed algorithm is unbiased and computationally efficient. Moreover, it is easy to implement and appropriate for real-time applications. In addition, the convergence behavior is analyzed and the steady-state mean square error (MSE) of the frequency estimate is derived in closed form. Computer simulations are treated to corroborate the theoretical analysis. (C) 2012 Elsevier GmbH. All rights reserved.
Keywords:
Linear prediction
Adaptive algorithm
Complex sinusoid
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