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Time delay estimation of non-Gaussian signal in unknown Gaussian noises using third-order cumulants

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1 Author(s)
Wu, Y. ; DSO Nat. Labs., Singapore, Singapore

For correlated Gaussian noises, a generalised cross correlation (GCC) type of processing and a parametric method is applied to one slice of the third-order cumulants to estimate time delay, with better performance than SCOT, the conventional bispectrum method (CBM) and the parametric bispectrum method (PBM). For uncorrelated Gaussian noises, HOS-SCOT using multiple slices of cumulants also outperforms SCOT, CBM and PBM. Simulation examples are given

Published in:

Electronics Letters  (Volume:38 ,  Issue: 16 )