표 2. | Table 2. 실험결과 | Experimental results.

△f [MHz]	Theory	Estimation	Theory	Estimation	Distance error [%]
	△θ [deg]	△θ [deg]	Distance [cm]	Distance [cm]
5	4.248	4.228	30	29.857	0.48
10	7.848	7.743		29.599	1.34
15	11.232	10.562		28.211	5.96
20	15.048	15.317		30.535	1.78
25	18.144	18.753		31.066	3.55
30	22.320	22.000		29.570	1.43