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

Table 2

Coefficient groups of typical Nuttall windows.

Coefficients	3-order minimum side-lobe	4-order minimum side-lobe	4-term 1-order	4-term 3-order
𝑏0	0.4243801	0.3635819	0.355768	0.338946
𝑏1	0.4973406	0.4891775	0.487396	0.481973
𝑏2	0.0782793	0.1365995	0.144232	0.161054
𝑏3		0.0106411	0.012604	0.018027