NHTSA LiDar EXAM QUESTIONS WITH VERIFIED ANSWERS| LATEST UPDATE GRADED A+
Lidar employs a ____ ____ _____ method for taking measurements to determine the target
vehicles speed time of flight
speed = distance/time
The frequency of Lidar signal is approximately _____ hz which ______ x higher than Radar
frequency 330, 13,000
Lidar devices are considered class _____ by the FDA 1
Lidar visual confirmation (4 things) identify target, estimate speed, estimate range, check
enviroment
Lidar audio confirmation (2 things) pitch, target acquisition tone
Lidar target speed confirmation (2 things) steady or multiple readouts, readout consistent
with visual and audio estimate
unlike radar, Lidar devices use _______ light and are much less likely to be effected by RFI
sources infrared
optical resonator medium use: gallium, arsenide
mechanical interference which will provide faulty readings include: none of the above
weather effects will only effect the ____ never the _____ range, accuracy
Lidar employs a ____ ____ _____ method for taking measurements to determine the target
vehicles speed time of flight
speed = distance/time
The frequency of Lidar signal is approximately _____ hz which ______ x higher than Radar
frequency 330, 13,000
Lidar devices are considered class _____ by the FDA 1
Lidar visual confirmation (4 things) identify target, estimate speed, estimate range, check
enviroment
Lidar audio confirmation (2 things) pitch, target acquisition tone
Lidar target speed confirmation (2 things) steady or multiple readouts, readout consistent
with visual and audio estimate
unlike radar, Lidar devices use _______ light and are much less likely to be effected by RFI
sources infrared
optical resonator medium use: gallium, arsenide
mechanical interference which will provide faulty readings include: none of the above
weather effects will only effect the ____ never the _____ range, accuracy
