A BRDF data acquisition system and method based on UAV-borne hyperspectral imaging
A data acquisition system and hyperspectral imaging technology, applied in control/adjustment systems, vehicle position/route/altitude control, instruments, etc., can solve the problem of inability to measure large scenes and tall objects, difficult moving process, and difficult operation and other problems, so as to improve the efficiency of flight control, achieve precise control, and reduce the workload of measurement and calculation.
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[0044] The present invention provides a BRDF data acquisition system and method based on UAV-borne hyperspectral imaging, specifically as figure 1 As shown, including auxiliary positioning device, data acquisition unit and measurement and control unit;
[0045] The auxiliary positioning device is used to identify the position of the observed ground objects / scenes. The auxiliary positioning device includes a disc 1 engraved with an angle line along the circumference, a plurality of measuring ropes 2 and a plurality of ground marking cloths 3 that cooperate with the measuring ropes 2, The center of the disk 1 is provided with a positioning column 4, and one end of a plurality of measuring ropes 2 is evenly fixed on the positioning column 4 along the circumferential direction, and the positioning column 4 is used to determine the ground starting azimuth corresponding to different solar zenith angles. One end of the measuring rope 2 is fixed at the center of the disc 1, and the gr...
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