Broadband Bioimpedance Spectroscopy Based on a Multifrequency Mixed Excitation and Nuttall Windowed FFT Algorithm

Table 3

Side-lobe characteristics of Nuttall windows and other cosine-combined windows.

Types of windows	Peak side-lobe (dB)	Asymptotical decay (dB/oct)
Hann. window	−32	18
Blackman window	−58	18
Blackman-Harris window	−92	6
3-order Nuttall window with minimum side-lobe	−71.49	6
4-order Nuttall window with minimum side-lobe	−98.2	6
4-term 1-order Nuttall window	−93.3	18
4-term 3-order Nuttall window	−82.6	30