智能流量计超声信号的混沌加密通信研究  

Research on Chaotic Encryption Communication of Ultrasonic Signal of Intelligent Flowmeter

作　　者：林涛[1] 毛朝庆[1] LIN Tao;MAO Chaoqing(School of Electronics and Internet of Things,Chongqing College of Electronic Engineering,Chongqing 401331,China)

机构地区：[1]重庆电子工程职业学院电子与物联网学院,重庆401331

出　　处：《现代信息科技》2020年第16期55-57,61,共4页Modern Information Technology

基　　金：2016年度重庆市教委科学技术研究项目(KJ1602901);2019年度重庆市教委科学技术研究计划青年项目(KJQN201903108)。

摘　　要：为提高智能流量计超声信号在无线远传过程中的安全性,并满足智能流量计的小系统的资源配置需求,文章通过对分数阶Liu超混沌系统进行离散化和对信号进行混沌置乱,采用基于分数阶Liu超混沌系统的加密通信方式对超声信号进行发送和接收,通过试验验证了方案的可行性,为智能流量计超声信号的无线远传安全保障提供了可行性途径。In order to improve the security of ultrasonic signal of intelligent flowmeter in the process of wireless remote transmission,and meet the resource allocation requirements of small system of intelligent flowmeter.In this paper,the fractional order Liu hyperchaotic system is discretized and the signal is chaotic scrambled.The encrypted communication method based on fractional Liu hyperchaotic system is used to send and receive ultrasonic signal.The feasibility of the scheme is verified by experiments,and a feasible way is provided for the wireless remote transmission of ultrasonic signal of intelligent flowmeter.

关 键 词：智能流量计 超声信号 分数阶Liu超混沌系统 加密通信 

分 类 号：TN911.7[电子电信—通信与信息系统]