Channel Name Definitions - Target 1 to Road Lines
| Channel Name | Description | Unit |
|---|---|---|
| Rangetg1-L1 |
The lateral distance between the Line Reference Point on Remote Target 1 to Line 1. This channel is measured perpendicularly to the surveyed line.
|
m |
| TTCtg1-L1 |
The Time To Cross of the Line Reference Point on Remote Target 1 crossing Line 1 given the vehicle's current lateral speed towards to the line.
|
s |
| LatSpdtg1-L1 |
The Lateral Speed of the Line Reference Point on Remote Target 1 towards Line 1.
|
kmh |
| Angletg1-L1 |
The Angle between the Line Reference Point on Remote Target 1 and the tangent of Line 1.
|
° |
| Rangetg1-L2 |
The lateral distance between the Line Reference Point on Remote Target 1 to Line 2. This channel is measured perpendicularly to the surveyed line.
|
m |
| TTCtg1-L2 |
The Time To Cross of the Line Reference Point on Remote Target 1 crossing Line 2 given the vehicle's current lateral speed towards to the line.
|
s |
| LatSpdtg1-L2 |
The Lateral Speed of the Line Reference Point on Remote Target 1 towards Line 2.
|
kmh |
| Angletg1-L2 |
The Angle between the Line Reference Point on Remote Target 1 and the tangent of Line 2.
|
° |
| Rangetg1-L3 |
The lateral distance between the Line Reference Point on Remote Target 1 to Line 3. This channel is measured perpendicularly to the surveyed line.
|
m |
| TTCtg1-L3 |
The Time To Cross of the Line Reference Point on Remote Target1 crossing Line 3 given the vehicle's current lateral speed towards to the line.
|
s |
| LatSpdtg1-L3 |
The Lateral Speed of the Line Reference Point on Remote Target 1 towards Line 3.
|
kmh |
| Angletg1-L3 |
The Angle between the Line Reference Point on Remote Target 1 and the tangent of Line 3.
|
° |
Determining Range From a Curved Line
When testing around a curved lane, the VBOX firmware takes measurements from the corner position to the nearest perpendicular tangent line to the curved lane edge, as shown below.













