LIDAR Flashcards
Charged with the responsibility of developing and implementing mandatory criminal justice training courses, including the LIDAR Operator training courses?
NCCJETSC
LIDAR course is a minimum of how many hours and can not exceed how long?
12 hours, four weeks
Applicant for LIDAR Operator shall:
Sworn LEO
In Compliance with training and standards
Endorsement from Agency
Certified RADAR Operator
Provide the instrument to be certified on
LIDAR is only?
A tool
What has been the target of almost all successful challenges of LIDAR?
Human Error
LIDAR is an acronym for?
Light Detection and Ranging
LIDAR for Speed measurement is purposes in the US are currently for what use only?
Stationary
LIDAR is only as good as?
It’s Operator
Laser is an acronym for?
Light Amplification by simulated Emission of Radiation
What method does the LIDAR employ to take the measurements to determine the targets vehicle speed?
Time of Flight method
Speed of Light is equal to how many miles per second?
186,000 or 30 billion centimeters per second
Both the transmitted and reflected LIDAR signal will travel how?
constant (@ speed of light)
Wavelength of the LIDAR Signal
904-905 nm (nanometer one billionth of a meter)
The frequency of a LIDAR is?
330 terahertz (330,000,000,000,000HZ) 300 trillion waves per second
Light will travel forever unless it is?
Reflected
Refracted
Absorbed
What color vehicle’s reflect more of the LIDAR Signal? Dies this affect the accuracy of the instrument?
Lighter colors, no it does not
What does refracted refer to when the signal strikes an object?
The bending of the signal as it passes through transparent material
Angular Effect always works to who’s advantage?
The suspect
How wide is the LIDAR beam 1000 feet away?
3 to 4 feet
The evidence obtained through the use of LIDAR is only as good as?
The officer presenting it
When two things ate check when in test mode?
Light segment test
Internal circuit test
External Accuracy testing a LIDAR unit?
Sight alignment at 100 yards
Range Accuracy test at 50, 100 and 150 feet
LIDAR instruments are considered?
Class 1 devices by USFDA
What type things can produce RFI reading on a LIDAR?
High voltage lines, electrical lines, electrical transformers, or electrical substations
Sweep Effect
LIDAR Signal strikes at an angle to a vehicle surface
Is it recommended to point the LIDAR at the vehicle’s windshield?
NO
What condition will reduce the operational range of a LIDAR?
Rain, smoke, fog and dust