Table 3.

Statistical Analysis of Noise and Subject Signal.

		Indoor Open Space			Heavy Clutter			Double Brick
		Mean ($\mathit{\mu }$)	Std ($\mathit{\sigma }$)	$\mathbf{SNR}{}_{\mathit{T}}$ (dB)	Mean ($\mathit{\mu }$)	Std ($\mathit{\sigma }$)	$\mathbf{SNR}{}_{\mathit{T}}$ (dB)	Mean ($\mathit{\mu }$)	Std ($\mathit{\sigma }$)	$\mathbf{SNR}{}_{\mathit{T}}$ (dB)
IR-UWB	Noise	0.0031	0.0017	21.0	0.0061	0.0029	18.48	0.0029	0.0018	21.50
	Target	0.39	0.19		0.43	0.20		0.41	0.18
FMCW	Noise	0.0046	0.0024	18.0	0.0062	0.0036	17.26	0.067	0.034	10.56
	Target	0.29	0.17		0.33	0.16		0.33	0.20