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SIR model propagation threshold calculation method based on information dual feedback

A technology of propagation threshold and calculation method, which is applied in the field of optical communication, can solve problems such as difficult to accurately describe propagation characteristics, and achieve the effect of raising vigilance and strong versatility

Inactive Publication Date: 2018-02-23
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Abstract
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Problems solved by technology

It is difficult to accurately describe the true propagation characteristics without adding behavioral responses or adding the same behavioral response models

Method used

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  • SIR model propagation threshold calculation method based on information dual feedback
  • SIR model propagation threshold calculation method based on information dual feedback
  • SIR model propagation threshold calculation method based on information dual feedback

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Embodiment

[0053] figure 1 is the SIR model diagram of information double feedback.

[0054] In this embodiment, a method for calculating the propagation threshold of a SIR model based on information double feedback in the present invention specifically includes two steps of establishing a SIR model of information double feedback and using the hole theory to calculate the propagation threshold. Below we describe these two steps Describe in detail.

[0055] S1. Establish the SIR model of information double feedback

[0056] In a social contact network, individuals have daily contact with different people, who may be infected, susceptible and recovered. Infected people can transmit the disease, and can also spread the information of "the existence of the disease"; because the recovered person has experienced the infection period and has experience in how to effectively prevent the disease, he can spread the information of "how to effectively prevent the disease". Individuals wh...

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Abstract

The invention discloses an SIR model propagation threshold calculation method based on information dual feedback. The method comprises the steps that an SIR model based on information dual feedback isestablished; through two feedbacks in the model, the propagation scenario and propagation relationship of disease and information are simulated realistically; and finally, a propagation threshold inthe model is acquired through the hole theory, and the accuracy of the propagation threshold and the influence of different parameters on disease propagation are verified through simulation. The method can help people to be alert to disease propagation in real life and to take effective preventive measures, and is highly versatile.

Description

technical field [0001] The invention belongs to the technical field of optical communication, and more specifically relates to a method for calculating a propagation threshold of an SIR model based on information double feedback. Background technique [0002] Real-world networks often have a large number of nodes, complex node behaviors, and diverse system changes, which are called complex networks. As a classic branch of the direction of complex networks, the problem of propagation on complex networks has been widely valued. Among them, epidemics have attracted great attention from scholars due to their strong contagion and destructive power. The earliest research on infectious diseases can be traced back to the 1860s, when Daniel Bernoulli used ordinary differential equations to model infectious diseases. The classic SIR propagation model proposed by Kermack and McKendrick in the 1930s, which has made a cross-century contribution to the study of infectious disease dynami...

Claims

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Application Information

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IPC IPC(8): G16H50/50
Inventor 徐杰高成毅唐淳卢思变余兴李林科
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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