Last modified by Mengting Qiu on 2025/07/08 11:11
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edited by Mengting Qiu
on 2024/10/08 15:51
on 2024/10/08 15:51
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edited by Mengting Qiu
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... ... @@ -669,11 +669,14 @@ 669 669 === 2.7.2 Distance Measurement Characteristics === 670 670 671 671 672 -With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:672 +With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. 673 673 674 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831774373-275.png?rev=1.1||alt="1654831774373-275.png"]]674 +TF02-Pro-W Detection Angle Diagram: 675 675 676 +[[image:image-20241008153923-3.png]] 676 676 678 + 679 + 677 677 ((( 678 678 (% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 679 679 ))) ... ... @@ -694,10 +694,10 @@ 694 694 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]] 695 695 696 696 ((( 697 -In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3 .6°. Correspondence between the diameter of light spot and detecting range is given in Table below.700 +In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3°. Correspondence between the diameter of light spot and detecting range is given in Table below. 698 698 ))) 699 699 700 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831810009-716.png?rev=1.1||alt="1654831810009-716.png"]]703 +[[image:image-20241008155139-5.png||height="107" width="811"]] 701 701 702 702 ((( 703 703 If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.