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Double-mode detection method, controller and system

A detection method and controller technology, applied in the field of ray detection, can solve problems such as inability to identify element types that are difficult to overcome

Active Publication Date: 2020-02-11
NUCTECH CO LTD +1
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Problems solved by technology

[0003] Although some new X-ray imaging detection technologies, such as: dual-energy X-ray, CT technology, etc., have improved their recognition capabilities, it is still difficult to overcome the inherent shortcomings of not being able to identify element types

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  • Double-mode detection method, controller and system
  • Double-mode detection method, controller and system
  • Double-mode detection method, controller and system

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[0049] The technical solution of the present disclosure will be described in further detail below with reference to the drawings and embodiments.

[0050] The flowchart of some embodiments of the dual-mode detection method of the present disclosure is as follows figure 1 shown.

[0051] In step 101, according to the X-ray object detection data, the X-ray non-object detection data, the neutron object detection data and the neutron non-object detection data, the ratio of the differential cross sections of the measured object to neutrons and X-rays is determined. In some embodiments, the object to be measured can be placed in the X-ray detection area and the neutron detection area for detection while keeping the ray intensity of the X-ray source and the neutron source constant, to obtain X-ray object detection data, X-ray non-object detection data, neutron object detection data and neutron non-object detection data, since the thickness of the measured object is constant, the rat...

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Abstract

The invention provides a double-mode detection method, controller and system, and relates to the technical field of ray detection. The double-mode detection method comprises the steps that according to X-ray object detection data, X-ray non-object detection data, neutron object detection data and neutron non-object detection data, the specific value of a differential cross section of a detected object under neutrons to a differential cross section of the detected object under X-rays is determined; and an object type is identified according to the corresponding relation between the specific value of the differential cross section of the detected object under the X-rays to the differential cross section of the detected object under the neutrons and the object type. Through the double-mode detection method, double-energy detection on the detected object can be achieved through the neutrons and the X-rays, a nuclide type is obtained through the different damping capacity of the object to the neutrons and the X-rays, the element varieties are identified, and the detection accuracy is improved.

Description

technical field [0001] The disclosure relates to the technical field of radiation detection, in particular to a dual-mode detection method, controller and system. Background technique [0002] Transmission imaging using X-rays generated by an electron accelerator is a traditional technology that can obtain mass and thickness information of the detected substance, but cannot identify the substance. In order to improve the ability to identify substances and even realize the analysis of isotope information, it is necessary to use two or more rays. [0003] Although some new X-ray imaging detection technologies, such as: dual-energy X-ray, CT technology, etc., have improved their identification capabilities, it is still difficult to overcome the inherent shortcomings of not being able to identify element types. Contents of the invention [0004] One purpose of the present disclosure is to propose a scheme for identifying material types by using neutron rays and X-rays. [00...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/05G01N23/04
CPCG01N23/025G01N23/05G01N23/04G01N2223/03G01N2223/106G01N2223/1016G01N23/087G01T3/04G01N23/09G01N2223/1006G01N23/083
Inventor 杨祎罡王学武张智李元景李荐民
Owner NUCTECH CO LTD
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