Radar Systems for Planetary Exploration. Mike Taylor [email protected] Perception in Offroad Environments. Offroad environment as well as robots themselves are very harsh on sensors and sensor performance. Radar Positives Impervious to rain, mud, fog, dust.
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Impervious to rain, mud, fog, dust.
Few interference concerns
Generally physically tough
Slow scan speeds
Very hard to determine target size or shape
False AlarmsWhy Radar?
2 x Range
4 x Area
Image from appolo.lsc.vsc.edu
Can the truck fit through?
Only one object reported with high angular error.
Detection range for certain objects
Horizontal and vertical beam width
Horizontal and vertical FOV
Number of targets per scan
Range and angle resolutionRadar Types
Path length difference determines bearing
R + D
R + D
R - D
R - D
6” Dia. Pipe
Motion Free Scanning Radar (consortium with CMU)