Atmospheric radon correction method for aviation radioactivity spectrum data

A technique of atmospheric radon and spectral data, applied in the field of airborne geophysical exploration
CN110873890AActive Publication Date: 2020-03-10核工业航测遥感中心
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
核工业航测遥感中心
Publication Date
2020-03-10

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Abstract

The invention relates to an atmospheric radon correction method for aviation radioactivity spectrum data. The method comprises the steps of: calibrating a device in a test tape to obtain a full-spectrum aircraft background, a cosmic ray full-spectrum influence coefficient, an atmospheric radon unit spectrum, a uranium nuclide transmission coefficient (a1), a thorium nuclide transmission coefficient (a2) and a geometric coefficient (a3) of the test tape; performing data acquisition in an actual measurement area; correcting the full-spectrum aircraft background and cosmic ray full-spectrum influence coefficient of the actual measurement area according to the full-spectrum aircraft background and cosmic ray full-spectrum influence coefficient, the atmospheric radon unit spectrum, the uraniumnuclide transmission coefficient (a1), the thorium nuclide transmission coefficient (a2) and the geometric coefficient (a3) obtained during calibration; and calculating the atmospheric radon unit content of the actual measurement area and the atmospheric radon spectrum data of the actual measurement area, and finally, carrying out atmospheric radon correction on the spectrum data. According to themethod, atmospheric radon of spectral data in a full spectrum method can be corrected, and the problem that the atmospheric radon needs to be corrected in the full spectrum method is solved.
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Description

technical field

[0001] The invention belongs to the technical field of aerial geophysical prospecting, and in particular relates to an atmospheric radon correction method for aerial radioactivity spectrum data. Background technique

[0002] Airborne geophysical prospecting is an airborne geophysical prospecting technology integrating multiple new technologies, which is characterized by high efficiency, rapidity and economy. The main airborne geophysical methods include airborne magnetic survey, airborne radioactive survey, airborne gravimetric survey and airborne electromagnetic survey. my country's aviation work started in the early 1950s, mainly aeronautical magnetic survey and airborne radioactive survey, which were used to find mineral resources such as magnetic deposits, radioactive deposits and oil and gas fields, and then gradually expanded to geological mapping and tectonic research , radioactive environment measurement and nuclear accident emergency monitoring and o...

Claims

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