Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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... ... @@ -831,25 +831,37 @@ 831 831 [[image:1654831774373-275.png]] 832 832 833 833 834 +((( 834 834 (% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 836 +))) 835 835 838 +((( 836 836 (% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m. 840 +))) 837 837 842 +((( 838 838 (% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m. 844 +))) 839 839 840 840 847 +((( 841 841 Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows: 849 +))) 842 842 843 843 844 844 [[image:1654831797521-720.png]] 845 845 846 846 855 +((( 847 847 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. 857 +))) 848 848 849 849 [[image:1654831810009-716.png]] 850 850 851 851 862 +((( 852 852 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. 864 +))) 853 853 854 854 855 855