Internal function to the Allan Variance Linear Regression estimator
Estimate the parameters of time series models based on the Allan Variance Linear Regression (AVLR) approach
fit_avlr(qn, wn, rw, dr, ad, scales)
qn: A vec specifying on which scales the parameters of a Quantization Noise (QN) should be computed.wn: A vec specifying on which scales the parameters of a White Noise (WN) should be computed.rw: A vec specifying on which scales the parameters of a Random Wakk (RW) should be computed.dr: A vec specifying on which scales the parameters of a Drift (DR) should be computed.ad: A vec of the Allan variance.scales: A vec of the scales.A list with the estimated parameters.