- Research Article
Estimation of Spectral Exponent Parameter of Process in Additive White Background Noise
EURASIP Journal on Advances in Signal Processingvolume 2007, Article number: 063219 (2007)
An extension to the wavelet-based method for the estimation of the spectral exponent, , in a process and in the presence of additive white noise is proposed. The approach is based on eliminating the effect of white noise by a simple difference operation constructed on the wavelet spectrum. The parameter is estimated as the slope of a linear function. It is shown by simulations that the proposed method gives reliable results. Global positioning system (GPS) time-series noise is analyzed and the results provide experimental verification of the proposed method.
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