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Counting method based on segmentation proportion jump threshold judgment

A technology of jumping threshold and segment ratio, applied in the direction of counting mechanism/items, instruments, etc., can solve problems such as lag, lengthened smoothing time, and large counting fluctuations, and achieve fast response time, simple operation, and low computational complexity Effect

Pending Publication Date: 2021-06-04
中国兵器装备集团自动化研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a counting method based on the judgment of segmental proportion jump threshold, which is used to at least solve the problem of relatively large counting fluctuations in the prior art under the condition of small counting or low dose, and the smoothing method responds to the environmental dose after prolonging the smoothing time. Not in time when the situation changes, and the problem of serious lag

Method used

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  • Counting method based on segmentation proportion jump threshold judgment
  • Counting method based on segmentation proportion jump threshold judgment
  • Counting method based on segmentation proportion jump threshold judgment

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Embodiment 1

[0031] The embodiment of the present invention provides a counting method based on the judgment of the jump threshold of the segment ratio, please refer to image 3 , including the following steps:

[0032] Step S101, according to the statistical characteristics of the counter count value under different dose rate conditions, the count value of the counter is segmented, and the jump smoothing time, non-jump smoothing time and jump trigger coefficient of each segmented area are determined;

[0033] Step S102, judging the subsection area where the count value of the counter is located during dose rate measurement, and obtaining the transition smoothing time, non-transition smoothing time and transition trigger coefficient corresponding to the count value according to the subsection area;

[0034] Step S103, for the count value of the counter during the dose rate measurement, if the count of the average smoothing calculation using the jump smoothing time is greater than the count...

Embodiment 2

[0042] In the embodiment of the present invention, before segmenting the count value of the counter, it also includes:

[0043] Collect counting values ​​of counters under different dose rate conditions;

[0044] The count value collected under each dose rate condition is smoothed at different times to obtain the smoothed count value;

[0045] According to the count value before smoothing and / or the count value after smoothing, the statistical characteristics of the count value under different dose rate conditions are determined.

Embodiment 3

[0047] The results of the average smoothing calculation of the counter count value during dose rate measurement in the embodiment of the present invention if greater than a, use As the counting result of the counter count value, a is a natural number; the result of mean smoothing calculation of the counter count value during dose rate measurement if If it is less than or equal to a and greater than b, then directly use As the counting result of the count value of the counter, wherein b is a natural number and a is greater than b, obtaining The required smoothing time is less than

[0048] In the embodiment of the present invention, greater than a can be considered as a segmented area, less than or equal to a and greater than b can be considered as a segmented area, and a and b are high dose rate counts and medium dose rate counts respectively. Result of mean smoothing calculation of counter count value during dose rate measurement if If it is greater than a, ...

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Abstract

The invention discloses a counting method based on segmentation proportion jump threshold judgment, and the method comprises the following steps: segmenting a counting value of a counter, and determining jump smoothing time, non-jump smoothing time and a jump trigger coefficient of each segmented region; judging a segmented region where a count value of a counter is located during dose rate measurement, and obtaining jump smoothing time, non-jump smoothing time and a jump trigger coefficient corresponding to the count value according to the segmented region; for a count value of a counter during dose rate measurement, if a count of mean smoothing calculation by adopting jump smoothing time is greater than a count of mean smoothing calculation by adopting non-jump smoothing time * a jump trigger coefficient of a segmented region where the count value of the counter is located, adopting the jump smoothing time to perform mean smoothing calculation counting; otherwise, using non-hopping smoothing time to carry out mean smoothing calculation counting. According to the invention, the response time to the dose rate change of the surrounding environment of the counter is short, and the counter can also respond quickly under the condition of low dose rate.

Description

technical field [0001] The invention relates to the technical field of dose rate measurement, in particular to a counting method based on judgment of segmental ratio jump thresholds. Background technique [0002] For dose rate measurement, counters such as GM counters (gas discharge counters) and semiconductors are mostly used. However, such counters have the characteristics of relatively large fluctuations in counting according to the ratio of the number of counts when there are few counts. At present, to solve this technical problem, the average smoothing time is usually lengthened, but after lengthening the smoothing time, the smoothing method will not respond in time when the environmental dose changes, and the lag is serious. Contents of the invention [0003] The present invention provides a counting method based on the judgment of segmental proportion jump threshold, which is used to at least solve the problem of relatively large counting fluctuations in the prior a...

Claims

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Application Information

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IPC IPC(8): G06M1/272
CPCG06M1/272
Inventor 牛德青刘勇韩强张锐任永田海燕杨素李定聪廖鹏
Owner 中国兵器装备集团自动化研究所有限公司
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