Symeo LPR
®
-System
LPR
®
-2DB
Product Documentation
Coordinate
System
Copyright © Symeo 2012
Page 51 of 132
The z-direction shows the height of the antennas related to the ground (compare chapter
surveying of antennas).
Center of antenna 0
Center of antenna 0
Center of rotation of vehicle
= center of load position
Reference
system VC
x
y
Center of antenna 3
Center of antenna 2
Figure 32 - reference coordinate system and installation position of antennas on a van-carrier
6.2.3
Reference system for vehicle type: passenger car
The origin of the reference system for the automobile is on the rear axle. The x-axis shows in
positive driving direction. Referring to this origin the antennas and the load position must be
surveyed. The coordinates of the rotation point are in the middle of the fixed axis for an
automobile.
Center of antenna 0
Center of antenna 1
Center of orientation of vehicle
reference system:
automobile
x
y
Center of antenna 3
Center of antenna 2
Steering axis
Fixed axis
Load position
Figure 33
– reference coordinate system and installation position of antennas on an
automobile
