a radar
radar
radar
rotor, rotator
Texas allows radar detectors, except in commercial vehicles.
Radar or LIDAR (laser measurement of speed) has to be directed toward or away from the path of a moving vehicle, as it measures the speed vector between the measuring device and the vehicle. Traffic radar or LIDAR will not measure the speed of a vehicle moving at a right angle to the direction it is pointed.
Alexander Popov was one of the first to create a radar device. His device, created in 1895, was meant for detecting lightning strikes.
The leading edge of a radar pulse determines range accuracy. The trailing edge, along with pulse width, determines minimum range.
Radar detectors are legal to use for all non-commercial vehicles in 49 states. Washington, DC and Virginia are the only two states that radar detectors are banned in the United States. Radar detectors used in commercial vehicles are illegal.
RADAR Answered by : Devi Ramanan, Chennai, India dvs01in@yahoo.co.uk
NetAcquire makes systems that do that.
radar