Table 2.

Experimental parameters for all data sets (dim—dimensionality, ni—number of hypercomplex increments, ns—number of scans, conv—conventional sampling scheme, NUS—non-uniform sampling scheme)

Sample	dim	ni	${\text{C}}^{\alpha }$		C${}^{\prime }$		N		Version	ns	Time, h
			sw,Hz	$t_{\mathit{max}}$,s	sw, Hz	$t_{\mathit{max}}$,s	sw,Hz	$t_{\mathit{max}}$,s
Ubiq.	2D	335 (conv)	–	–	–	–	2550	0.1314	ref	4	1 h 10 min
									cross	80	23 h
Ubiq.	3D	3536 (conv)	–	–	3000	0.0173	2550	0.0267	ref	4	23 h 20 min
									cross	8	46 h 45 min
Ubiq.	4D	680 (NUS)	6000	0.01	3000	0.0173	2550	0.0267	ref	4	9 h
									cross	28	63 h
$\alpha$-syn.	4D	600 (NUS)	5600	0.0098	2200	0.0172	2700	0.0278	ref	4	8 h
									cross	28	55 h 45 min