Device for segmentally measuring atmospheric transmissivity by unmanned aerial vehicle and measurement method thereof
An atmospheric transmittance, segmented measurement technology, applied in unmanned aerial vehicles, transmittance measurement, motor vehicles, etc., can solve the problems of large amount of calculation, multiple iterations, only considering single scattering and multiple scattering, etc. , to achieve the effect of improving measurement accuracy and eliminating calibration errors
Pending Publication Date: 2021-01-29
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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However, this method is an iterative method with equal step size. To obtain a suitable aerosol scattering ratio requires more iterations and a large amount of calculation.
Sun Guodong et al. proposed a method of using the Broyden algorithm to solve nonlinear equations to determine the boundary value of the atmospheric extinction coefficient, and compared it with the measurement results of a 1km horizontal path. The results of the two methods have a good consistency in the time trend, but they only consider single scattering while ignoring the effect of multiple scattering
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[0054] In order to make the technical solutions of the present invention clearer and clearer to those skilled in the art, the present invention will be further described in detail below in conjunction with the examples and accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0055] Such as Figure 1-Figure 3 As shown, the device for segmentally measuring atmospheric transmittance by unmanned aerial vehicles provided in this embodiment includes a beacon multi-rotor UAV 1, a measurement multi-rotor UAV 2 and a UAV ground station, and the beacon multi-rotor UAV has no The man-machine 1 is fixedly installed with the first Steadicam stabilized head 3, the top of the first Steadicam stabilized head 3 is provided with an LED light 4, and the second Steadicam stabilized head 5 is installed on the measuring multi-rotor UAV 2. Microcomputer 6 and digital transmission 7, receiving telescope 8 and detector 9 are installed on the top of the second ...
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The invention discloses a device for segmentally measuring atmospheric transmissivity by an unmanned aerial vehicle and a measurement method thereof, and belong to the technical field of atmospheric transmissivity measurement. The device comprise a simply supported purline support and additional purlines, the additional purlines and the simply supported purline support are connected in an attachedmanner, and the additional purlines comprise a first additional purline and a second additional purline. The first additional purline is connected with the simply supported purline support in an attached mode, the second additional purline is connected with the simply supported purline support in an attached mode, and the first additional purline is arranged between the simply supported purline support and the second additional purline. Two L-shaped purlines are added near the simply supported purline support, so that the stress form of the purlines is changed from the simply supported purline to the device for segmentally measuring the atmospheric transmissivity by the unmanned aerial vehicle and the measurement method thereof, the purline bearing capacity is improved, and the purpose ofreinforcing the purlines is achieved.
Description
technical field [0001] The invention relates to a device and a measuring method for measuring atmospheric transmittance, in particular to a device and a measuring method for segmentally measuring atmospheric transmittance by an unmanned aerial vehicle, belonging to the technical field of atmospheric transmittance measurement. Background technique [0002] Atmospheric transmittance is an important parameter reflecting the nature of atmospheric radiation transfer, and has important reference value in applications such as atmospheric radiation, remote sensing environment monitoring of earth resources, and space object monitoring. The infrared radiation characteristics of space targets are one of the important bases for target identification and on-orbit information determination. Infrared radiation characteristics include information such as target temperature and irradiance, and are usually measured by ground-based measurement methods. In ground-based measurements, it is of g...
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IPC IPC(8): G01N21/59B64C39/02B64D47/08
CPCG01N21/59B64C39/02B64D47/08B64U10/10B64U2101/30
Inventor 王浩侯再红靖旭秦来安吴毅谭逢富何枫张已龙张守川
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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