0 0.5 1 0.25 km T1 T2 T3 T4 a) (c) b) A1 A6 A2 A3 A4 A5 T2 T3 T4 T1 Height (m) 40 30 20 10 0 0 -5 -10 -15 (b) (a) Backscatter σ (dB) 0 Look direction Flight direction
0 0.5 10.25 km
T1
T2
T3
T4
a)
(c)
b)
A1
A6
A2A3
A4A5
T2
T3
T4
T1
0 0.5 10.25 km 0 0.5 10.25 km
Hei
ght (
m)
40
30
20
10
0
0
-5
-10
-15
(b)(a)Ba
cksc
atte
r σ
(dB)
0
Look directionFlight direction