基于无线Mesh网络气象观测视频监控系统设计与实现

发布时间：2018-04-05 04:33

本文选题：无线mesh网络　切入点：气象观测　出处：《南京信息工程大学》2016年硕士论文

【摘要】：目前,地面气象数据观测手段仍然比较单一,主要从自动气象站获取基本气象数据,无法对观测区域进行实时监控。无线mesh网作为快速发展的新型无线通信网,在旅游、交通、家居、无线城市等领域已经取得成功应用,气象行业对此高度重视,国内气象部门相关文件明确表示要推动无线mesh网在气象观测中的应用。因此,立足气象观测的基本要求,以丰富气象数据的内容为目的,研究设计出具有视频监控功能的无线mesh网新型气象观测系统,对形成气象观测创新机制,推动气象观测在各行业的应用,具有重大的意义。本文在江苏省科技厅工业支撑计划项目(No.BE2011195)的支持下,深入研究了无线mesh网组网形式、嵌入式平台、操作系统、多跳协议和视频监控相关系统及其关键技术,提出一种基于无线mesh网络气象观测视频监控系统设计。系统组网方式为客户端mesh结构,文章开始介绍了系统节点的设计,监控节点采用ARM9内核微处理器并扩展了电源模块和传感器模块,制作监控节点Linux操作系统,移植无线网卡驱动和usb摄像头驱动,监控终端选择Linux系统PC机。其次对多跳协议aodv协议进行了分析移植,成功组建了每个节点都可以作为AP和路由器的无线mesh网。然后基于开源的mjpg-streamer软件,设计了视频服务器,终端节点可以在接收气象观测数据的同时,通过浏览器访问节点IP实时观看各个监控节点的视频图像。最后,测试了节点组网能力、多跳协议和视频监控功能,并对结果进行分析论证。论文所设计的基于无线mesh网络气象观测视频监控系统,网络结构灵活,系统部署方便,在组网能力、气象观测和视频监控方面基本达到设计初期的目标,丰富了气象观测的内容,具有一定的推广意义和实用价值。
[Abstract]:At present, the observation method of surface meteorological data is still relatively simple, and the basic meteorological data are mainly obtained from automatic weather station, so it is impossible to monitor the observation area in real time.As a new type of wireless communication network, wireless mesh network has been applied successfully in the fields of tourism, transportation, home, wireless city and so on. The meteorological industry attaches great importance to it.The related documents of domestic meteorological department clearly indicate that the application of wireless mesh network in meteorological observation should be promoted.Therefore, based on the basic requirements of meteorological observation and in order to enrich the content of meteorological data, a new type of meteorological observation system based on wireless mesh net with video surveillance function is studied and designed.It is of great significance to promote the application of meteorological observation in various industries.Supported by Industrial support Plan Project No. BE2011195 of Jiangsu Provincial Science and Technology Bureau, this paper deeply studies the network form of wireless mesh network, embedded platform, operating system, multi-hop protocol and video surveillance related system and its key technologies.This paper presents a design of meteorological observation video surveillance system based on wireless mesh network.The design of system node is introduced in this paper. The monitoring node adopts ARM9 kernel microprocessor and extends the power module and sensor module to make the monitoring node Linux operating system.Transplant wireless card driver and usb camera driver, monitor terminal select Linux system PC.Secondly, the multi-hop protocol aodv protocol is analyzed and transplanted, and each node can be used as a wireless mesh network of AP and router successfully.Then, based on the open source mjpg-streamer software, a video server is designed. The terminal node can access the node IP to view the video images of each monitoring node in real time while receiving meteorological observation data.Finally, the network ability, multi-hop protocol and video surveillance function are tested, and the results are analyzed and demonstrated.The video monitoring system of meteorological observation based on wireless mesh network is designed in this paper. It has flexible network structure, convenient system deployment, and basically achieves the initial design goal in networking capability, meteorological observation and video surveillance.It enriches the content of meteorological observation, and has certain popularizing significance and practical value.
【学位授予单位】：南京信息工程大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TN948.6

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