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Method for quickly searching position of incidence point of fusion neutron with high precision

A technology of fusion neutrons and incident points, which is applied in the direction of radiation measurement, particle motion recording, and measurement devices, can solve problems such as difficult to accurately extract a large number of neutrons, difficult neutron imaging, etc., and achieve high-precision search and data volume The effect of reducing and increasing the running speed

Pending Publication Date: 2022-04-12
SHENZHEN TECH UNIV
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Problems solved by technology

[0003] However, it is difficult to accurately extract the position of the incident point of a large number of neutrons using the conventional Hough transform, and it is even more difficult to make full use of large-area fast neutron detectors to perform neutron imaging in the high-neutron yield fusion region

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  • Method for quickly searching position of incidence point of fusion neutron with high precision
  • Method for quickly searching position of incidence point of fusion neutron with high precision
  • Method for quickly searching position of incidence point of fusion neutron with high precision

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Embodiment Construction

[0031] The present invention is further described below in conjunction with accompanying drawing and embodiment:

[0032] Such as Figure 1 to Figure 7 As shown, the present invention provides a high-precision, fast method for finding the position of the fusion neutron incident point in order to realize fast and high-precision finding and confirmation of the neutron incident point, which classifies all measured signals into several sets , use the mapping relationship of Hough transform to reconstruct the tracks of all signals in each set, and find the positions of all neutron incident points.

[0033] The present invention has adopted signal to classify and divide by position, and all signals are divided into the collection of multiple signals, has reduced the complexity of the data of analysis; The unit performs tracking, and finally obtains the positions of all neutron incident points, which is an efficient, high-precision, and automatic method for finding the positions of ...

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Abstract

The invention discloses a high-precision and fast fusion neutron incidence point position finding method in the field of pulse type fast neutron imaging, which comprises the following steps: classifying all measured signals to form a plurality of sets, reconstructing tracks of all signals in each set by using a mapping relation of Hough transform, and finding positions of all neutron incidence points. According to the method, the signals are classified and segmented firstly, so that the data size needing to be analyzed is greatly reduced, all the signals in each signal set can be circularly exhaustive, the tracks of the signals can be extracted, and the running speed of the system is greatly increased. Besides, an optimized Hough transform algorithm is adopted in the track searching process, the neutron incidence point is finally obtained, and efficient and high-precision neutron incidence point searching can be achieved.

Description

technical field [0001] The invention relates to the field of pulsed fast neutron imaging, in particular to a high-precision and fast method for finding the position of a fusion neutron incident point. Background technique [0002] Fusion nuclear reactions will produce a large number of 14MeV fast neutrons. Through neutron measurement, imaging of neutron sources can be realized, thereby realizing imaging and diagnosis of fusion regions. In the fast neutron imaging process, the small hole or penumbral hole encoding imaging technology is mainly used, which mainly involves the small hole or penumbral hole, fast neutron imaging detector and other components. The incident position of the neutron is obtained according to the signal characteristics of the recoil proton or ion induced by the neutron, and then the imaging of the fusion region is realized. In this process, the search for the neutron incident location mainly includes: 1) Judging the position of the neutron incident poi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T5/02
Inventor 张春晖曹磊峰代艳萌李迪开俞健邓嘉玲汪雪周沧涛阮双琛
Owner SHENZHEN TECH UNIV
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