What is the primary function of Lidar technology in speed detection?

Lidar technology, which stands for Light Detection and Ranging, has a primary function in speed detection by providing precise and instantaneous speed readings of moving vehicles. This technology employs rapid laser pulses to measure the distance between the Lidar device and the target vehicle, allowing for accurate calculations of speed based on time and distance.

The main advantage of using Lidar in speed detection is its ability to measure speed in real time, which is crucial for law enforcement and traffic monitoring. Unlike other methods that may require more time to process or analyze data, Lidar systems can instantly give an officer the speed of a vehicle, enhancing the efficiency and effectiveness of speed enforcement.

In contrast, the other options touch on different applications or aspects that Lidar technology does not primarily focus on. For instance, measuring air quality relates to environmental monitoring, while identifying weather conditions affects broader traffic safety but is not a core function of Lidar. Similarly, enhancing vehicle safety features typically involves technologies that assist with driving dynamics, collision avoidance, or vehicle stability rather than specifically measuring speed in a detection context. Thus, the correct answer highlights the key role of Lidar in real-time speed detection.