Method for calculating scattering characteristic of river ice infrared waveband
A technology of scattering characteristics and calculation methods, which is applied in the research field of infrared radiation scattering characteristics of targets and environments, can solve the problem that the calculation accuracy of scattering models is low, the characteristics of strong directional scattering and strong scattering radiation brightness of river ice are not considered, and the practicability is poor. and other problems, to achieve the effect of easy understanding, enhanced practicability, and small calculation error
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[0060] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0061] In the prior art, when dealing with the scattering problem of the underlying surface including river ice, the underlying surface is usually regarded as the Lambertian underlying surface, and the scattering intensity in all directions is considered to be the same, which is a diffuse reflection model. Use the diffuse reflectance formula to calculate its diffuse radiance. In this method, the fact that the river ice has strong specular reflection is ignored, so the calculation results will have a large error, and the directional scattering radiance of the river ice cannot be calculated. The ele...
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