Aerosol remote sensing inversion method and system for lack of short-wave infrared data

A short-wave infrared and remote sensing inversion technology, which is used in measurement devices, instruments, surveying and navigation, etc., can solve problems such as poor versatility, lack of short-wave infrared bands, and large inversion errors of band correlations, and achieve the effect of improving operation efficiency.

Active Publication Date: 2019-07-05
NORTHEAST NORMAL UNIVERSITY
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Problems solved by technology

[0007] ① Lack of short-wave infrared band
[0010] ④ The above-mentioned dark target method and deep blue algorit

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  • Aerosol remote sensing inversion method and system for lack of short-wave infrared data
  • Aerosol remote sensing inversion method and system for lack of short-wave infrared data
  • Aerosol remote sensing inversion method and system for lack of short-wave infrared data

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Embodiment

[0121] The present invention relates to an aerosol remote sensing inversion method and system for the lack of short-wave infrared data. The details involved in the technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments; this embodiment uses a personal computer (PC) Simulation is carried out, and its software is based on 64-bit Windows 10 operating system and IDL secondary development platform.

[0122] The embodiment adopted is the environmental satellite image downloaded in the China Resource Satellite Application Center, according to the technical scheme ( figure 1 ) to write the IDL processing system program, the system program structure is as follows figure 2 , debug and run the program to get the result of aerosol optical depth.

[0123] Write the inversion aerosol optical depth program: According to the technical plan ① satellite remote sensing image data preprocessing, includi...

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Abstract

The invention discloses an aerosol remote sensing inversion method and an aerosol remote sensing inversion system for lack of short-wave infrared data. The aerosol remote sensing inversion method considers the influences of angle and surface type of the earth on a band relationship, constructs a band regression coefficient lookup table for angled grid division and surface feature type classification by using a multi-angle data set, and performs inversion to obtain aerosol optical thicknesses of surfaces of different surface feature types. The method introduces an aerosol correction index (ACI)and NDVI seasonal variation characteristics as limiting conditions for the problem that the aerosol optical thickness inversion results are highly sensitive to the relationship between bands. The core technology of the aerosol remote sensing inversion method is that an aerosol optical thickness lookup table and the band regression coefficient lookup table are established based on the direct correlation of the surface feature spectral bands by combining with influences of different solar observation angles on the band relationship, can rapidly and precisely obtain the aerosol optical thicknessinversion results of different surface features through inversion by screening conditions, and improves the operation efficiency and inversion precision by adopting the above technical means.

Description

technical field [0001] The invention belongs to the technical field of remote sensing image processing, and in particular relates to an aerosol remote sensing inversion method and system for no short-wave infrared band data, and rapidly inverts to obtain high-resolution aerosol optical thickness products. Background technique [0002] Aerosol optical depth is an important geophysical parameter for the study of atmospheric pollution, aerosol radiation, atmospheric correction, etc. Satellite images can be used to monitor aerosol changes on a large scale and explain the impact of aerosols on the earth and the atmosphere on a spatial scale. Satellite remote sensing images contain information on the surface and the atmosphere, and the two interact with each other. The aerosols in the atmosphere lead to the loss of image details and large errors in the quantitative inversion of real information on the surface, also because of the influence of surface information. It also brings di...

Claims

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Application Information

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IPC IPC(8): G01C11/00
CPCG01C11/00
Inventor 樊宪磊瞿瑛其他发明人请求不公开姓名
Owner NORTHEAST NORMAL UNIVERSITY
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