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How Lidar Works
LiDAR is an active remote sensing method that emits pulsed light waves into surrounding environment. These pulses of light bounce off surrounding objects and reflect to the sensor. The LiDAR sensor then uses the time it took for each pulse to return to the sensor to calculate the distance that the light pulse traveled. Our LiDAR scanners output a high 640,000 laser pulses per second, and when used alongside a high quality, survey-grade GPS base station and excellent processing software we can consistently achieve accuracies better than a few centimetres between our post processed data and survey control points.