Table 2.

The Variance of Local Attenuation a ($\mathrm{dB}·\mathrm{c}{\mathrm{m}}^{-1}·\mathrm{MH}{\mathrm{z}}^{-\mathrm{b}}$) Between Repeated Images From 5 Participants for 6 Different Schemes

Variance of Local Attenuation Between Repeated Images
Schemes	1	2
Participant A	2265.777	0.443
Participant B	23.751	0.625
Participant C	15.892	0.116
Participant D	259.769	0.473
Participant E	12.958	0.420