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A typical NHTSA approved [7] device weighs less than 2 kilograms, is battery powered, has speed detection accuracy +2 km/h and -3 km/h, distance accuracy +- 0.3 metres at 90 metres, and minimum long-range measurement capability of 300 metres. Devices must be capable of meeting these accuracy standards while exposed to ambient temperatures ...
A radar speed gun, also known as a radar gun, speed gun, or speed trap gun, is a device used to measure the speed of moving objects. It is commonly used by police to check the speed of moving vehicles while conducting traffic enforcement , and in professional sports to measure speeds such as those of baseball pitches , [ 1 ] tennis serves , and ...
Newer speed detection devices use pulsed laser light, commonly referred to as LIDAR, rather than radio waves. Radar detectors, which detect radio transmissions, are unable to detect the infrared light emitted by LIDAR guns, so a different type of device called a LIDAR detector is required. However, LIDAR detection is not nearly as effective as ...
VASCAR is a device that semi-automates the timing and average speed calculation of the original manually operated "speed trap". An observer on the ground, in a vehicle or in the air simply presses a button as a vehicle passes two landmarks that are a known distance apart, typically several hundred metres.
Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
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"PoliScan speed" stationary system in Berlin. PoliScan speed is a system for traffic enforcement made by Vitronic. The measurement is based on lidar (light radar). By time-of-flight measurement, a scanning laser determines speeds and positions of all vehicles in the measurement area. PoliScan speed is available as a mobile or a stationary system.
LIDAR speed gun; Radar speed gun, ... Spectroscope is an important tool used by ... Many measurement devices outside this section may be used or at least become part ...
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