WANG Dang-wei, SU Yi, MA Xing-yi. A New Method of Pole Extraction Using the Cross-Correlation-Based Processing[J]. Acta Electronica Sinica, 2005, 33(6): 1015-1018.
WANG Dang-wei, SU Yi, MA Xing-yi. A New Method of Pole Extraction Using the Cross-Correlation-Based Processing[J]. Acta Electronica Sinica, 2005, 33(6): 1015-1018.DOI：
In order to improve the estimation accuracy of the pole in low signal-noise-ratio
it is theoretically analyzed that the signals composed of the exponentially damped sinusoids can be still expressed as exponentially damped sinusoids after the cross-correlation.A new cross-correlation estimator is proposed
and then a novel method of the poles extraction based on the cross-correlation is given.The simulations show that in the same estimation accuracy SNR required by the novel method is 5dB lower than that of the modified Kumaresan-Tufts method or fourth-order cumulants based method.
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