Plenty of unusual conditions which lead to the failure of debugging may arise during the debugging
the procedure of CSR-IM multi-target radar, meanwhile the actual condition may be not consistent with
condition in debugging software. Therefore the unmatched condition should be changed to standard
condition in upper computer, subject to condition in upper computer, as for as possible, in order to
debugging the radar in relevant ways, when debugging radar by upper computer.
5.1 Special cases analysis: fence /isolation belt in lanes
If fence/isolation belt exists in lanes
，
the width of fence / isolation belt should be added to the width
of the neighbor lane. As shown in figure 5.1, in the condition of both way four lanes, width of the fence
/ isolation is 2m, in this case, half of the width of fence should be added to the width of lane 2, the other
half should be added to lane 3, the width of lane 2 is changed to 4.5m from 3.5m, the width of lane 3 is
changed to 4.5m from 3.5m; the total width of lanes include width of fence and width of all lanes.
Figure 5.1: fence/isolation belt in lanes width modify sketch map
5.2 Related Malfunction and Solution of Debugging
1
．
The Situation of Missing Vehicles in Multi- Lanes at the Same Time
Analysis
：
Refer to figure 4.1. The reason why the situation happens is the radar pitching angles up and
down in the vertical direction are too large or too small, in consequence, the radar beam radiating region
will be not nearby the triggering distance region, and the radar signal of vehicle will be too weak in each
single lane, and finally the situation of missing vehicles in multiple lanes will happen.
Solution of Debugging
：
Modify the pitching angle up and down of the radar to make
the area the
radar
beam covered near the triggering distance.
2
．
The Situation of Missing Vehicles in Single Lane
Analysis: Refer to figure 4.2. The reason why the situation happens is the deviation of the radar pivoting
angles left and right in the horizontal direction are too left or too right, in consequence, the beam of the
radar will not radiate every single lane evenly, and the lane will not be covered effectively, and the signal
of the radar will be too weak, and finally the situation of missing vehicles in single lane will happen.
Solution of Debugging: Modify the pivoting angle left and right of the radar to make every single lane
covered by the beam of radar evenly.
3
．
The Situation of Dividing Lanes Wrong: vehicle is divided to wrong lane
Analysis: The reason why the situation happens is that the radar is not calibrated correctly, or the parameter
of the installation position is not exact enough, which leads to the lanes false distinguished of monitoring
vehicles by the phase.
The Solution of Debugging:
(1) First of all, confirm whether the radar installation position parameter input is right or wrong, whether