Table 4.

Interval measurements errors and the FHR_U signal loss for different starting points, with and without additional matching algorithm MAA.

RMS Window Width (ms)	$\overline{\left|\Delta {\mathbf{T}}_{\mathbf{i}}\right|} \left(\mathbf{ms}\right)$				FHR_U Signal Loss (% )
	Without MAA		MAA		Without MAA		MAA
	Filter 50	Hilbert	Filter 50	Hilbert	Filter 50	Hilbert	Filter 50	Hilbert
–	1.62 #	1.63	1.44	1.45	0.43	0.43	0.43	0.44
100	1.64	1.67	1.43	1.45	0.38	0.36	0.40	0.44
200	1.67	1.70	1.48	1.43	0.38	0.42	0.40	0.43
250	1.66	1.69	1.53	1.46	0.41	0.41	0.39	0.43
500	1.68	1.61	1.45	1.35 x	0.47	0.43	0.44	0.41 x
1000	1.69	1.72	1.48	1.44	0.41	0.43	0.41	0.42

^# mean value ^x minimal T_i error value determining the optimal values of control parameter.