All link-road radiation transmission process simulating and imaging method of universal optical remote sensor

Abstract

The invention discloses an all link-road radiation transmission process simulating and imaging method of a universal optical remote sensor, which comprises the steps of collecting earth surface data, meteorological data and remote sensor parameters, establishing a radiative transfer numerical model, using the model combined with the spatial positions of remote sensors, ground objects and the sun and the earth surface data to simulate earth surface visible light-thermal infrared radiative transfer, and outputting the earth surface radiation simulation; establishing an atmospheric radiative transfer numerical model about meteorological data, and using the model combined with the output earth surface radiation value information to simulatively output the atmospheric radiation information after atmospheric transfer; receiving the atmospheric radiation information and responding to and imaging the atmospheric information by the remote sensor; and detecting the imaged data and analyzing errors. The invention establishes the radiative transfer numerical model containing the physical variables, connects the earth surface, the atmosphere and the remote sensor into a whole body, and can simulate remote sensor images under different conditions, and the method is suitable for different optical remote sensors and has strong generality.

Description

technical field [0001] The invention relates to the technical field of remote sensing imaging, in particular to a method for simulating and imaging the full-link radiation transmission process of a general optical remote sensor. Background technique [0002] With the continuous development of remote sensing science and technology, optical sensors for various industry application requirements continue to develop. The wavelength range covered by the optical remote sensor is visible light-thermal infrared (0.4um-15um). Sensor types include multispectral, hyperspectral and hyperspectral, etc., and have the characteristics of multi-angle and different spatial resolution observations. In the face of the huge satellite development plans of various countries in the future, the simulation and imaging of the full-link radiation transfer process of remote sensors can provide scientific means for the design, development and evaluation of satellite payloads, and avoid blind design that ...

AI Technical Summary

Problems solved by technology

[0003] 1. There is no general-purpose computer numerical simulation and imaging method for the full-link radiation transfer process of optical remote sensors

[0004] 2. Only focus on the test on the remote sensor side, without considering the radiation transfer process of the surface and atmosphere, and cannot obtain remote sensing data under various surface and atmospheric conditions

[0005] 3. The full-link radiation transfer model and method need to be supplemented and improved urgently, and the main parameters of the ground surface, atmosphere and remote sensors in the radiation transfer process need to be considered

[0006] 4. The existing simulation methods lack versatility, and need to be re-established for different remote sensors, which is expensive

[0007] 5. The range of wave bands is limited, and it is impossible to unify visible light-thermal infrared for simulation calculation

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