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Air pollution tracing method based on network virus spreading model

A technology for disseminating models and air pollution, applied in climate sustainability, instrumentation, data processing applications, etc., to achieve a time-sensitive effect

Active Publication Date: 2016-04-27
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] In view of the high complexity of existing air pollution traceability methods and the limitations of traceability results, the purpose of the present invention is to provide an air pollution traceability method based on a network virus transmission model, to maximize traceability results and improve traceability efficiency

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  • Air pollution tracing method based on network virus spreading model

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Embodiment Construction

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0036] A kind of air pollution traceability method based on network virus propagation model of the present invention, the process is as follows figure 1 shown, including the following steps:

[0037] Step S1: use the weighted distance to obtain the correlation subgraph;

[0038] Step S2: construct and solve the air pollution transfer equation;

[0039] Step S3: Reachability matrix preprocessing and single-point continuous source tracing.

[0040] Each step will be explained in detail below:

[0041] Step S1 realizes the acquisition of the correlation subgraph, uses the calculated weighted distance to constrain the correlation points of the target site, and obtains the correlation subgraph from the global graph. figure 2 The specific process of this method is given as follows:

[0042] 1) Calculate the weighted distance between any two ob...

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Abstract

The present invention discloses an air pollution tracing method based on a network virus spreading model. The method comprises the steps of (1) obtaining a related sub-picture, (2) constructing an air pollution transfer equation, and (3) carrying out single-point source tracing analysis. According to the method, the space position of a source can be accurately searched according to a time requirement, and the influence strength of the source is obtained. The contaminant of a certain space time is used to screen a related area with a small range, a tracing result can be effectively obtained, and the timeliness is strong.

Description

technical field [0001] The invention relates to the problem of air pollution source tracing based on observation point data, and proposes an air pollution source tracing method based on a network virus propagation model. Background technique [0002] Air pollution traceability is the process of using the characteristics of certain gas components in the air and their temporal and spatial distribution to find the source of airborne transmission through specific traceability methods. This technology has very important research and application value in the fields of weather forecasting and air pollution control. [0003] With the deteriorating environment, pollution control has become an important research topic. Air pollution control is an important part of pollution control, and control of pollution sources is the key to pollution control. How to find the source of air pollution in a timely and accurate manner is a hot issue; at the same time, it is of great significance to ...

Claims

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Application Information

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IPC IPC(8): G06Q50/26
CPCG06Q50/26Y02A90/10
Inventor 马占宇单晓晖赵啸宇
Owner BEIJING UNIV OF POSTS & TELECOMM
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