Vehicle-mounted gamma full spectrum measurement method

A measurement method, gamma energy spectrum technology, applied in the field of uranium ore exploration, can solve the problems of insufficient gain drift and inability to monitor radionuclides, etc., and achieve the effect of improving the utilization rate of spectral information
CN109901210AInactive Publication Date: 2019-06-18BEIJING RES INST OF URANIUM GEOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING RES INST OF URANIUM GEOLOGY
Publication Date
2019-06-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the technical field of uranium ore exploration, and particularly relates to a vehicle-mounted gamma full spectrum measurement method. The method comprises the following stepsof: S1: selecting and debugging a measurement instrument and a vehicle; S2: measuring a model actual measurement full spectrum; S3: determining a standard spectrum and a background spectrum of a measurement system; S4: measuring a field actual measurement full spectrum; S5: carrying out noise reduction processing on actual measurement full spectrum data; S6: carrying out full spectrum analysis calculation and obtaining nuclide content; S7: carrying out rasterization processing on nuclide content data; S8: extracting uranium metallogenesis information; and S9: carrying out delineation on an abnormal prospective area. According to the invention, a spectrum information utilization rate of a vehicle-mounted gamma full spectrum is sufficiently and effectively improved, and vehicle-mounted gammafull spectrum measurement and partitioning of the uranium metallogenesis abnormal prospective area are implemented.
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Description

technical field

[0001] The invention belongs to the technical field of uranium ore exploration, and in particular relates to a vehicle-mounted gamma full-spectrum measurement method. Background technique

[0002] The vehicle-mounted gamma full-spectrum measurement is based on the gamma-ray energy difference of natural radionuclides, using a multi-channel gamma energy spectrometer installed on the car to measure the content of radionuclides such as uranium, thorium, and potassium in surface rocks and soil along the route. method. The focus of vehicle-mounted gamma full-spectrum measurement is spectrum analysis, and the spectrum analysis methods mainly include energy window (or full-energy peak) method and full-spectrum method. The energy window method is a method to calculate the nuclide content or specific activity by setting the energy spectrum segment or track threshold of characteristic energy gamma rays. This method is currently a commonly used method for gamma energy ...

Claims

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