Fig. 3

The performance on hyperparameters for traditional DSP and LDSP. a–c Q factor performance for traditional DSP and LDSP as functions of skew, LR and sampling errors. d The optimization procedures on traditional DSP with the Nelder-Mead, L-BFGS, and Truncated Newton method. e, f IQ skew and LR of traditional DSP during the Nelder-Mead optimization