-18-
1
2
21
2
1
2
11
L
d
L
h
v
v
(5.3)
For the far lanes, the correction equation is as follow,
2
2
22
2
2
2
12
L
d
L
h
v
v
(5.4)
In (5.3) and (5.4),
11
v
means the speed of the near lanes(km/h) and
means the speed of
the far lanes(km/h). The meaning of
1
L
,
2
L
,
21
d
,
22
d
is shown in figure 5.3.
Users can use the above equations for a more accurate speed correction according to the
actual trigger position.
Especially, the speed correction equation approximates equation(5.1) if the height
between the radar and the ground is lower(Eg, less than 3m) and the radiation almost is
horizontal(don’t need radiate to the ground because the target has a certain height).
