Method used for inversion analysis of potassic salt content via ground surface imaging hyperspectrum

A hyperspectral and imaging technology, applied in the field of hyperspectral remote sensing applications, can solve the problems of large sampling interval, high price, and long analysis period, and achieve the effect of high spatial sampling density, low price, and improved efficiency

Active Publication Date: 2017-04-19
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

Traditional chemical analysis methods have disadvantages such as high price, long analysis period, and large sampling interval

Method used

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  • Method used for inversion analysis of potassic salt content via ground surface imaging hyperspectrum

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Embodiment Construction

[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0031] like figure 1 As shown, a kind of ground imaging hyperspectral inversion method for potassium salt content provided by the present invention, the method comprises the following steps:

[0032] Step 1, place the reference whiteboard 3, the specific steps are as follows:

[0033] Place the whiteboard 3 under the running track 2 of the scanner of the Hyspex imaging hyperspectrometer 1 .

[0034] Step 2, place the standard sample 4, the specific steps are as follows:

[0035] Five ore standard samples 4 with different potassium salt contents but known values ​​are placed under the track 2 of the scanner of the Hyspex imaging hyperspectrometer 1 .

[0036] Step 3, placing the sample 5 to be tested, the specific steps are as follows:

[0037] The sample 5 to be tested is placed under the running track of the scanner of the Hyspex imaging ...

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Abstract

The invention belongs to the application field of hyperspectral remote sensing, and more specifically discloses a method used for inversion analysis of potassic salt content via ground surface imaging hyperspectrum. The method comprises following steps: 1, a reference blank board is placed; 2, a standard substance is placed; 3, a sample to be detected is placed; 4, imaging hyperspectral remote sensing data of the reference bland board, the standard substance, and the sample to be detected are acquired; 5, the sample to be detected is replaced; 6, the steps 4 and 5 are repeated until the imaging hyperspectral remote sensing data of all samples to be detected is acquired; 7, the relation model of spectrum with potassic salt content is established; and 8, inversion analysis of potassic salt content of the samples to be detected is carried out based on the relation model obtained via step 7. The method is capable of increasing estimation efficiency of potassic salt content of the samples to be detected.

Description

technical field [0001] The invention belongs to the application field of hyperspectral remote sensing, and specifically discloses a method for retrieving potassium salt content by ground imaging hyperspectrum. Background technique [0002] Potassium is an essential nutrient element for the growth of crops, which can improve the water retention and disease resistance of crops. Potassium salt is an important raw material for the production of potash fertilizers. Potash content inversion of ore samples mined from potash deposits is useful for ore grading and reserve estimation. Traditional chemical analysis methods have disadvantages such as high price, long analysis period, and large sampling interval. Contents of the invention [0003] The purpose of the present invention is to provide a method for ground imaging hyperspectral inversion of potassium salt content, which can improve the estimation efficiency of potassium salt content of samples to be tested. [0004] A tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3563
Inventor 邱骏挺张川郭邦杰
Owner BEIJING RES INST OF URANIUM GEOLOGY
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