Accurate and Contactless Vital Sign Detection in Short Time Window with 24 GHz Doppler Radar

Table 2

Calibration parameters of I/Q signals.

Distances	Obstructions	(10^6)	(10^5)	(10^5)	(10^5)	/
20	No	1.77	-4.30	0.91	0.71	1.29	-0.36
40	No	1.77	-4.27	0.92	0.69	1.33	-0.32
60	No	1.72	-3.87	0.93	0.73	1.28	-0.40
80	No	1.40	-8.38	3.46	2.76	1.26	-0.40
100	No	1.85	-5.29	3.52	2.90	1.21	-0.33
20	Box	1.76	-1.35	2.04	1.58	1.29	-0.34
40	Box	1.71	-5.93	2.00	1.52	1.31	-0.30
60	Glass	1.82	-4.73	2.01	1.58	1.28	-0.37
80	Glass	1.72	-3.69	0.54	0.39	1.36	-0.28
100	Cloth	1.52	-5.06	0.27	0.21	1.28	-0.31