基于计算机通信网络的农机实时协同导航系统研究

Research on Real time Cooperative Navigation System of Agricultural Machinery Based on Computer Communication Network

无线协同中继技术可以提高数据传输的速率及频谱效率,从而对抗信号衰落,提高系统的鲁棒性。近年来,无人机被使用到农业生产过程中,作业过程中自动导航技术对无人机作业的效率和质量具有重要的影响,但受到农机作业环境的影响,在无人机导航过程中采用无线通信网络定位技术时信号的衰落严重。为了提高通信的可靠性,引入了协同中继节点技术,并采用超带宽调频技术提高信号的传输速率,从而有效提高了导航的效率和导航精度,对于提升无人机的作业性能具有重要的意义。

Wireless cooperative relay technology can improve the data transmission rate and spectrum efficiency,so as to resist signal fading and improve the robustness of the system.In recent years,agricultural unmanned aerial vehicle(UAV)has been used in agricultural production process.In the process of UAV operation,automatic navigation technology has an important impact on the efficiency and quality of UAV operation.However,due to the impact of agricultural machinery operation environment,the signal fading is serious when wireless communication network positioning technology is used in UAV navigation process.In order to improve the reliability of communication,the cooperation is introduced into the same relay node technology by using ultra bandwidth FM technology to improve the signal transmission rate,thus effectively improving the navigation efficiency and navigation accuracy,which is of great significance to improve the operational performance of UAV.