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Implementation of the RELAX algorithm

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2 Author(s)
Zheng-She Liu ; Dept. of Electr. Eng., Florida Univ., Gainesville, FL ; Jian Li

This correspondence presents a zoom-FFT based RELAX algorithm for estimating sinusoidal parameters in the presence of unknown colored noise. The amount of computations required by this algorithm is much less than the original zero-padding FFT based RELAX. Yet the estimation performance of the new algorithm is only slightly degraded as compared with the original one

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:34 ,  Issue: 2 )