Ground moving target indication and parameters estimation using a dual-frequency synthetic aperture radar

EURASIP Journal on Advances in Signal Processing

Table 2 Moving target parameters and their estimated results

Target	P^†	V_a	V_r	f_dc1	f_dc2	$\hat{m}$	$\hat{n}$	${\hat{V}}_{r}$	${\hat{V}}_{a}$	${\hat{P}}_{1}^{†}$	${\hat{P}}_{2}^{†}$	${\hat{P}}^{†}$
	[m]	[m/s]	[m/s]	[Hz]	[Hz]			[m/s]	[m/s]	[m]	[m]	[m]
T ₁	(−48, −90)	10	−8	533.5	637.6	0	0	−7.99	9.96	(−45.5, −86.3)	(−44.9, −85.2)	(−45.2, −93.25)
T ₂	(−25, −80)	−2	20	673.7	413.4	−1	−1	19.86	−1.57	(−32.6, 36.8)	(−31.4, −18.4)	(−32.0, −78.8)
T ₃	(0, −75)	−6	16	939.9	727.7	−1	−1	15.90	−5.65	(−5.9, 46.3)	(−4.7, −11.3)	(−5.3, −72.5)
T ₄	(20, −70)	15	4	−267.3	−319.3	0	0	4.00	15.86	(18.4, −75.1)	(18.4, −76.3)	(18.4, −71.7)
T ₅	(40, −70)	20	2	−115.1	−175.2	0	0	1.98	20.28	(38.8, 20.4)	(39.7, 21.3)	(39.25, −76.15)
T ₆	(60, −65)	25	5	−331.3	−397.4	0	0	4.97	24.82	(58.0, 74.1)	(57.7, 74.9)	(57.85, −69.0)

^†P denotes the real position of the targets when η=0. ${\hat{P}}_{1}$ and ${\hat{P}}_{2}$ denote the estimated position from the two SAR images generated by the pulse c₁and pulse c₂. $\hat{P}$ is the final estimated result computed by equation (36).